KR102162763B1 - Method to transfer accounts - Google Patents

Abstract

A computer program stored in a computer-readable recording medium is disclosed. According to the present invention, the computer program performs a method for account transfer when running on one or more processors of a computing device. The method comprises the steps of: matching account information with a blockchain address corresponding to a user on a blockchain network; and after an account transfer request transaction is issued from a first blockchain address corresponding to a first user to a second blockchain address corresponding to a second user on the blockchain network, deleting the first blockchain address matched with account information corresponding to the account transfer request transaction, and matching the account information with the second blockchain address. The account transfer request transaction, after being transmitted from a terminal of the first user to one or more nodes constituting the blockchain network, may be recorded in the blockchain network based on a consensus algorithm by a plurality of nodes constituting the blockchain network.

Description

How to move your account {METHOD TO TRANSFER ACCOUNTS}

The present disclosure relates to a method for moving gye-dong, and more particularly, to a technique for moving an account owned by one user to another user.

Recently, the 4th Industrial Revolution, the next generation industrial revolution made by the convergence of information and communication technologies, has become an issue. In the existing industry, automation meant passively operating according to a program entered in advance, but in the 4th industrial revolution, it means that machines actively grasp the situation and operate, and this 4th industrial revolution means artificial intelligence and robots. Technology and life sciences are leading.

Among the technologies of the 4th industrial revolution, Blockchain is attracting attention as a major technology. Blockchain is a technology that provides security as a public transaction ledger. These blockchains are attracting attention, and the Bitcoin platform and Ethereum platform, which are blockchain-based cryptocurrency technologies, are also attracting attention.

Meanwhile, with the rapid development of IT technology, the online industry is growing together, and methods to solve the problems accompanying the growth of the online industry are being sought.

In order to go online, users create an account. Users' accounts may be permanently attributed to one user, but in some cases, accounts are bought and sold to other users. However, when performing account transactions between users in this way, there is a problem that it is not possible to guarantee trust in account transactions.

Accordingly, when there is an account transaction between users, there may be a need in the art for a device for ensuring trust in the account transaction.

Korean Patent Application Publication No. 2019-0024924 discloses an interserver transaction system and method for online game items.

The present disclosure has been devised in response to the above-described background technology, and is to provide a method of moving an account.

A computer program stored in a computer-readable storage medium according to an embodiment of the present disclosure is disclosed. When the computer program is executed on one or more processors, the method for moving an account is performed. The method includes: matching account information with a block chain address corresponding to a user on a blockchain network; After the account transfer request transaction is issued from the first block chain address corresponding to the first user to the second block chain address corresponding to the second user on the blockchain network, account information corresponding to the account transfer request transaction and Deleting the matched first block chain address, and matching the account information with the second block chain address; and the account transfer request transaction is performed by the first user's terminal. After being transmitted to one or more nodes constituting the network, it may be recorded in the blockchain network based on a consensus algorithm by a plurality of nodes constituting the blockchain network.

A computer program stored in a computer-readable storage medium according to an embodiment of the present disclosure is disclosed. When the computer program is executed on one or more processors, the method for moving an account is performed. The method includes: matching account information with a block chain address corresponding to a user on a blockchain network; Receiving an account transfer request from the terminal of the first user; Generating an account transfer request transaction based on the received account transfer request; Transmitting the account transfer request transaction to one or more nodes constituting the blockchain network, and causing the transaction to be recorded in the blockchain network based on a consensus algorithm by a plurality of nodes constituting the blockchain network; And after an account transfer request transaction is issued from a first blockchain address corresponding to a first user to a second blockchain address corresponding to a second user on the blockchain network, account information corresponding to the account transfer request transaction. And deleting the first blockchain address matched with and matching the account information with the second blockchain address.

A method for moving an account according to an embodiment of the present disclosure is disclosed. The method includes the steps of issuing an address search query to at least one of a plurality of nodes constituting the blockchain network to check whether there is a blockchain address corresponding to the user on the blockchain network; Receiving the block chain address from the user's terminal after the block chain address corresponding to the user is generated on the block chain network; And receiving the block chain address from the block chain network after generating the block chain address corresponding to the user on the block chain network.

A method for moving an account according to an embodiment of the present disclosure is disclosed. The method includes generating an account linking transaction for recording the account information corresponding to the first blockchain address; And transmitting the account connection transaction to one or more nodes of the blockchain network.

A method for moving an account according to an embodiment of the present disclosure is disclosed. The account linking transaction includes: a private key or unique identification information corresponding to the server that issued the account linking transaction; The first blockchain address; And the account information.

A method for moving an account according to an embodiment of the present disclosure is disclosed. A blockchain wallet corresponding to the user is created on the blockchain network based on the request of the user's terminal or server, and the blockchain wallet includes a plurality of blockchain addresses, and the plurality of blocks One or more account information may be matched to each chain address.

A method for moving an account according to an embodiment of the present disclosure is disclosed. Information about the first account of the first game, information about the second account of the first game, and information about the third account of the second game, which is a game differentiated from the first game, are matched to the block chain address. I can.

A method for moving an account according to an embodiment of the present disclosure is disclosed. The account transfer request transaction may include: a private key or unique identification information of the first user who issued the account transfer request transaction; Or a private key or unique identification information of the server that issued the account transfer request transaction, and the second blockchain address; And the account information moved from the first user to the second user.

A method for moving an account according to an embodiment of the present disclosure is disclosed. The method includes receiving first social information from the terminal of the first user; And matching the account information with the first social information in order to perform an account login or an interaction with another user based on the first social information.

A method for moving an account according to an embodiment of the present disclosure is disclosed. The method includes: deleting the first social information matched with the account information after issuing the account transfer request transaction; Receiving second social information from the terminal of the second user; And it may further include the step of matching the account information and the second social information.

A method for moving an account according to an embodiment of the present disclosure is disclosed. The account information may include information related to a play log in the game.

A method for moving an account according to an embodiment of the present disclosure is disclosed. The account transfer request transaction may include a first smart contract for achieving an account lease, and the first smart contract: Transferring the account information from the first blockchain address to the second blockchain address A first sub-contract for; And determining whether the account lease termination condition is satisfied, and when the account lease termination condition is satisfied, a second sub-contract for transmitting the account information from the second blockchain address to the first blockchain address Can include.

A method for moving an account according to an embodiment of the present disclosure is disclosed. The method includes the steps of receiving a private key or unique identification information corresponding to the user from the user's terminal; Performing user authentication based on a private key or unique identification information corresponding to the user, and a block chain address corresponding to the user on the blockchain network; And allowing the user to log in to the account based on the user authentication.

A method for moving an account according to an embodiment of the present disclosure is disclosed. The step of allowing the user to log in to the account based on the authentication may include, if more than one game or game account managed based on a block chain address corresponding to the user, one of the at least two games or game accounts Receiving a selection regarding; And allowing an account login based on the selection.

A method for moving an account according to an embodiment of the present disclosure is disclosed. The account transfer request transaction may include a second smart contract for uploading information on the account transfer to a server in order to allow one or more users to confirm the account transfer after issuance of the account transfer request transaction. have.

A server for performing an account transfer method according to an embodiment of the present disclosure is disclosed. The server includes a network unit for transmitting and receiving data with at least one of a user's terminal and a blockchain network; And after an account transfer request transaction is issued from a first blockchain address corresponding to a first user to a second blockchain address corresponding to a second user on the blockchain network, account information corresponding to the account transfer request transaction. And a processor that deletes the first blockchain address matched with and matches the account information with the second blockchain address, and the account transfer request transaction is performed by the first user's terminal. After being transmitted to one or more nodes constituting the block chain network, it may be recorded in the block chain network based on a consensus algorithm by a plurality of nodes constituting the block chain network.

A server for performing an account transfer method according to an embodiment of the present disclosure is disclosed. The server includes a network unit for receiving an account transfer request from a terminal of a first user; And matching account information with a block chain address corresponding to a user on the blockchain network, generating an account transfer request transaction based on the received account transfer request, and forming the account transfer request transaction into the blockchain network. A first block that is transmitted to the above nodes and caused to be recorded in the blockchain network based on a consensus algorithm by a plurality of nodes constituting the blockchain network, and corresponding to a first user on the blockchain network After the account transfer request transaction is issued from the chain address to the second blockchain address corresponding to the second user, the first blockchain address matched with the account information corresponding to the account transfer request transaction is deleted, and the It may include a processor that matches the account information and the second block chain address.

According to one embodiment of the present disclosure, a technique for performing account movement may be achieved.

Various aspects are now described with reference to the drawings, wherein like reference numbers are used collectively to refer to like elements. In the examples that follow, for illustrative purposes, a number of specific details are presented to provide a holistic understanding of one or more aspects. However, it will be apparent that such aspect(s) may be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form to facilitate describing one or more aspects.
1 shows an exemplary system for performing account movement according to an embodiment of the present disclosure.
2 exemplarily shows a server according to an embodiment of the present disclosure.
3 exemplarily illustrates a method for moving an account according to an embodiment of the present disclosure.
4 exemplarily illustrates a method of moving an account according to an embodiment of the present disclosure.
5 illustrates an exemplary flow chart of a method for moving an account according to an embodiment of the present disclosure.
6 illustrates an exemplary flow chart of a method for moving an account according to an embodiment of the present disclosure.
FIG. 7 exemplarily illustrates a manner in which a smart contract is propagated to a blockchain network according to an embodiment of the present disclosure.
8 exemplarily shows a connection structure of blocks stored in a blockchain network according to an embodiment of the present disclosure.
9 shows a general schematic diagram of an exemplary computing environment in which embodiments of the present disclosure may be implemented.

Various embodiments and/or aspects are now disclosed with reference to the drawings. In the following description, for illustrative purposes, a number of specific details are disclosed to aid in an overall understanding of one or more aspects. However, it will also be appreciated by those of ordinary skill in the art that this aspect(s) may be practiced without these specific details. The following description and the annexed drawings set forth in detail certain illustrative aspects of one or more aspects. However, these aspects are exemplary and some of the various methods in the principles of the various aspects may be used, and the descriptions described are intended to include all such aspects and their equivalents.

In addition, various aspects and features will be presented by a system that may include one or more computing devices, terminals, servers, devices, components and/or modules, and the like. Devices, terminals, servers discussed in connection with the figures and/or that various systems may include additional computing devices, terminals, servers, devices, components and/or modules, etc. It should also be understood and recognized that it may not include all of, devices, components, modules, etc.

The terms "computer program," "component", "module" and the like used in the present specification may be used interchangeably. For example, a component may be, but is not limited to, a process executed on a processor, a processor, an object, an execution thread, a program, and/or a computer. For example, both an application running on a computing device and a computing device may be components. One or more components may reside within a processor and/or thread of execution. A component can be localized on a single computer. A component can be distributed between two or more computers.

In addition, these components can execute from various computer readable storage media having various data structures stored therein. Components can be, for example, via a signal with one or more data packets (e.g., data from one component interacting with another component in a local system, a distributed system, and/or a signal through another system and a network such as the Internet. Depending on the data being transmitted), it may communicate via local and/or remote processes.

As used herein, “an embodiment,” “example,” “aspect,” “example,” and the like may not be interpreted as being better or advantageous than any aspect or design described. . The terms'component','module','system', and'interface' used below generally mean a computer-related entity, for example, a combination of hardware, hardware and software. , Or software.

In addition, the term “or” is intended to mean an inclusive “or” rather than an exclusive “or”. That is, unless specified otherwise or is not clear from the context, "X employs A or B" is intended to mean one of the natural inclusive substitutions. That is, X uses A; X uses B; Or, when X uses both A and B, “X uses A or B” can be applied to either of these cases.

In addition, the terms "comprising" and/or "comprising" mean that the corresponding feature and/or element is present, but excludes the presence or addition of one or more other features, elements and/or groups thereof. It should be understood as not. In addition, unless otherwise specified or when the context is not clear as indicating a singular form, the singular in the specification and claims should be interpreted as meaning "one or more" in general.

In the present specification, the computer-readable medium may include all kinds of media in which programs and data are stored to be readable by a computer system. Computer-readable media in the present disclosure may include computer-readable storage media and computer-readable transmission media. According to an aspect of the present invention, a computer-readable storage medium includes: ROM (read only memory), RAM (random access memory), CD (compact disk)-ROM, DVD (digital video disk)-ROM, magnetic tape, floppy It may include a disk, an optical data storage device, and the like. Further, the computer-readable transmission medium may include any transportable medium implemented in the form of a carrier wave (eg, transmission over the Internet). Additionally, such computer-readable media may be distributed over networked systems to store computer-readable codes and/or instructions in a distributed manner.

Prior to describing specific details for the implementation of the present invention, it should be noted that configurations that are not directly related to the technical gist of the present invention have been omitted within the scope not disturbing the technical gist of the present invention. In addition, terms or words used in the present specification and claims are based on the principle that the inventor can define the concept of appropriate terms to describe his or her invention in the best way, and has a meaning consistent with the technical idea of the present invention. It should be interpreted as a concept.

1 shows an exemplary system for performing account movement according to an embodiment of the present disclosure.

As shown in FIG. 1, the system for account movement may include a user's terminals 100a and 100b: 100, a server 200, a blockchain network 400, and a communication network 500. Components illustrated in FIG. 1 are exemplary, and additional components may exist or some of the components illustrated in FIG. 1 may be omitted.

The user's terminal 100 has a mechanism for communicating with each other or with other nodes through the communication network 500, and may mean any type of node in a system for performing account transfer. For example, the user's terminal 100 may include a PC, a laptop computer, a workstation, a terminal, and/or any electronic device with network connectivity. In addition, the user's terminal 100 may include an arbitrary server implemented by at least one of an agent, an application programming interface (API), and a plug-in. In addition, the user's terminal 100 may include an application source and/or a client application.

The user's terminal 100 may be any entity capable of processing and storing arbitrary data, including a processor and a storage unit (memory and permanent storage medium).

The processor in the present disclosure may be composed of one or more cores, and a central processing unit (CPU), a general purpose graphics processing unit (GPGPU), and a tensor processing unit (TPU: Tensor processing unit) may include an arbitrary type of processor for executing instructions stored in memory, such as issuing an account transfer request transaction for account transfer. The processor may read a computer program stored in a memory to perform an account transfer technique according to an embodiment of the present disclosure.

The memory in the present disclosure may store a program for operation of a processor, and may temporarily or permanently store input/output data. Memory is a flash memory type, hard disk type, multimedia card micro type, card type memory (for example, SD or XD memory), RAM (Random Access). Memory, RAM), SRAM (Static Random Access Memory), ROM (Read-Only Memory, ROM), EEPROM (Electrically Erasable Programmable Read-Only Memory), PROM (Programmable Read-Only Memory), magnetic memory, magnetic disk, optical disk It may include at least one type of storage medium. This memory can be operated under control of the processor. Further, in the present disclosure, the memory and the storage unit may be used interchangeably with each other.

The user's terminal 100 in FIG. 1 may be associated with a user who wants to access at least one of the server 200 and the blockchain network 400.

The user's terminal 100 may issue a query or a transaction with at least one of the server 200 and the blockchain network 400. The query in this disclosure can be used to record a transaction for account movement in the blockchain network 400. The query in the present disclosure may be used to inquire a transaction related to account movement or a block chain address recorded in the block chain network 400. The transaction in the present disclosure may be used to perform an update (modification/change/delete/add) on data recorded on the blockchain network 400. For example, the transaction can be used to record an account transfer request transaction for account transfer. As another example, a smart contract including disclosure information on account lease or account movement may be recorded in the blockchain network 400 in the form of a transaction.

The user's terminal 100 may transmit and receive an application source written in a programming language. For example, the user's terminal 110 may generate a client application by compiling an application source. For example, the generated client application may be delivered to at least one of the server 200 and the blockchain network 400 and then executed.

The user's terminal 100 may create a smart contract that can be operated on the blockchain network 400 using an arbitrary language such as Solidity. In addition, the user's terminal 100 may generate a transaction for distributing the generated smart contract to the blockchain network 400.

The user's terminal 100 may access the server 200 to perform an account movement, and may log in to the server 200 with a block chain address or perform an operation of adding social information according to the account movement. . The game in the present specification may include any type of game such as a mobile game, a web game, a VR game, a P2P game, and an online/offline game. Disclosed herein

In addition, the user's terminal 100 may generate a block chain address generation request and transmit the request to at least one of the server 200 and the block chain network 400. In addition, the user's terminal 100 may receive a block chain address from at least one of the server 200 and the block chain network 400. In addition, the user's terminal 100 may generate an account transfer request and transmit it to at least one of the server 200 and the blockchain network 400. In addition, the user's terminal 100 may receive result data related to an account transfer request from at least one of the server 200 and the blockchain network 400.

The user's terminal 100 may operate as a node constituting the blockchain network 400. In this example, the user's terminal 100 may implement at least one of a wallet function, a minor function, and a full blockchain data storage function. For example, when the user's terminal 100 includes only a wallet function, it may operate as a node that performs transaction and validation (eg, a Simplified Payment Verification (SPV) node).

Since the user's terminal 100 has a display, it is possible to receive a user's input and provide an arbitrary form of output to the user in performing account movement.

The server 200 according to an embodiment of the present disclosure may include any type of computer system or computer device, such as, for example, a microprocessor, a mainframe computer, a digital processor, a portable device and a device controller. Although not shown in FIG. 1, the server 200 may include a memory and a processor. The server 200 according to an embodiment of the present disclosure may be, for example, a game server that manages a game. The detailed description of the above-described server is only an example, and the present disclosure is not limited thereto.

The server 200 may allow the user's terminal 100 to log into an account based on a blockchain address. The server 200 may allow the user's terminal 100 to request an account movement, and allow the user's terminal 100 to match social information about the account.

Additionally, the server 200 may operate as a node constituting the blockchain network 400.

In an embodiment of the present disclosure, the blockchain network 400 may refer to a plurality of nodes operating based on the blockchain technology. Here, the blockchain technology is a distributed storage technology that stores data to be managed in a plurality of nodes constituting a blockchain network using a storage structure in which blocks are connected in a chain form.

The blockchain network 400 may store a transaction transmitted from at least one of the user's terminal 100 and the server 200 in a block form based on a predetermined consensus algorithm. Data stored in a block form may be shared by a plurality of nodes constituting the blockchain network 400.

Although the block chain network 400 is expressed as a separate entity in FIG. 1, the block chain network 400 may be implemented in a form included in the server 200 according to an embodiment of the present disclosure.

The blockchain network 400 may include a public blockchain network in which arbitrary nodes can perform consensus operations or a private blockchain network in which only predetermined nodes can perform consensus operations, depending on the implementation form. .

The consensus algorithm performed in the blockchain network 400 according to an embodiment of the present disclosure is: PoW (Proof of Work) algorithm, PoS (Proof of Stake) algorithm, DPoS (Delegated Proof of Stake) algorithm, PBFT (Practical Byzantine Fault Tolerance) algorithm, Delegated Byzantine Fault Tolerance (DBFT) algorithm, Redundant Byzantine Fault Tolerance (RBFT) algorithm, Sieve algorithm, Tendermint algorithm, Paxos algorithm, Raft algorithm, PoA (Proof of Authority) algorithm and/or PoET (Proof of Elapsed Time) algorithm may be included.

In an exemplary embodiment of the present disclosure, nodes in the blockchain network 400 may operate by a blockchain core package according to a hierarchical structure. The hierarchical structure is: a data layer that defines the structure of data handled by the blockchain network 400 and manages the data, a fee paid to the miners during the mining process, performing mining to verify the validity of blocks and generating blocks A consensus layer in charge of processing of, an execution layer that processes and executes smart contracts, a common layer that implements and manages P2P network protocols, hash functions, digital signatures, encoding and common storage, and various applications are created, processed and managed. It can include an application layer.

According to an embodiment of the present disclosure, by using the blockchain network 400 for account movement, user convenience for account movement requests, transparency in account use by users according to account movement and account movement, and account movement Integrity can be provided.

In the present disclosure, the account transfer request or account transfer transaction related to the game may be performed based on, for example, the ERC-721 standard code and/or the ERC-1155 standard code. The ERC-721 may be a standard code based on a token that cannot be replaced.

Communication network 500 according to an embodiment of the present disclosure is a public switched telephone network (PSTN), x Digital Subscriber Line (xDSL), Rate Adaptive DSL (RADSL), Multi Rate DSL (MDSL), VDSL. Various wired communication systems such as (Very High Speed DSL), Universal Asymmetric DSL (UADSL), High Bit Rate DSL (HDSL), and local area network (LAN) can be used.

In addition, the communication network 500 presented in the present disclosure includes Code Division Multi Access (CDMA), Time Division Multi Access (TDMA), Frequency Division Multi Access (FDMA), Orthogonal Frequency Division Multi Access (OFDMA), and SC-FDMA. Various wireless communication systems such as (Single Carrier-FDMA) and other systems can be used. The techniques described in this disclosure may be used not only in the networks mentioned above, but also in any type of other communication networks.

Smart contracts according to embodiments of the present disclosure may be written in a digital language and executed on any computing device to achieve the disclosure of account lease or account transfer. That is, when a code and/or a function included in a smart contract is executed, account lease according to embodiments of the present disclosure may be performed.

The smart contract according to the embodiments of the present disclosure includes at least one of a method of creating a new smart contract, a method of executing a function on a specific smart contract, or a method of transmitting a coin or token operable in the blockchain network 400. Can be implemented by one. In addition, smart contracts can be executed by transactions or other contracts generated by externally owned accounts.

A coin or token in this specification may mean any form of cryptocurrency or token operable on the blockchain network 400. These coins may be convertible to cash according to the market price by the server 200.

The smart contract for performing account lease according to embodiments of the present disclosure is to pay a specific execution cost when executing a transaction, for example, to prevent malicious code such as infinite repetition and to ensure the integrity of data related to account lease. It can also be defined. For example, when a first user leases an account of a second user, a part of the cost provided by the first user according to the account lease to the second user is defined as the cost of executing the transaction according to the smart contract. May be. The execution cost here may mean any type of coin that can be traded on the blockchain network 400 or another type of medium that can be interlocked with the coin (eg, gas, etc.). As a non-limiting example, the base execution cost of the transaction may be set to 21,000 gas. For example, such execution cost may include the cost of processing the Elliptic Curve Digital Signature Algorithm (ECDSA) for the account address of the transaction issuer, the storage cost for storing the transaction, and the cost of network bandwidth. If the smart contract is defined to pay a certain cost when executing the smart contract, malicious attacks such as infinite execution such as intentional DDoS attacks can be prevented.

In a further embodiment, the execution cost for the transaction may be handled in a way that staking a certain amount of coins or tokens instead of the gas described above.

A call between smart contracts for performing account lease or account transfer announcement according to embodiments of the present disclosure may be implemented using a structure called a message. For example, these messages can be generated by a contract account (CA), and can be delivered to other contracts when calling a function. In one embodiment, since the message in this case is generated and processed inside the blockchain network 400, unlike transactions that occur in externally owned accounts, separate execution costs such as gas may not be incurred.

In implementing account lease or account transfer announcement according to embodiments of the present disclosure, when synchronizing through a blockchain by including a function of a smart contract in a transaction in the form of compiled code, the information included in the transaction is A smart contract can be implemented by executing a function expressed in code as an input and then storing the result in a separate state.

When the contents of the function and the input of the function are shared by a smart contract shared in the blockchain network 400, the integrity of the data can be guaranteed even if the result of the function is not separately shared.

2 exemplarily shows a server according to an embodiment of the present disclosure.

As shown in FIG. 2, the server 200 may include a processor 201, a storage unit 202, and a transmission/reception unit 203. The above-described components are exemplary, and the scope of the present disclosure is not limited to the above-described components. That is, additional components may be included or some of the above-described components may be omitted according to implementation aspects of the embodiments of the present disclosure.

According to an embodiment of the present disclosure, the server 200 may include a transmission/reception unit 203 for transmitting and receiving account-related data from the user's terminal 100. In addition, the transmission/reception unit 203 transmits information about the blockchain address so that each of the terminals of one or more users check the blockchain address corresponding to the user, or receives an account transfer request from the terminals of one or more users, Alternatively, the account transfer result information may be transmitted to check the result of the account transfer request.

The transceiver 203 may include a wired/wireless Internet module for network access. As a wireless Internet technology, WLAN (Wireless LAN) (Wi-Fi), Wibro (Wireless broadband) Wimax (World Interoperability for Microwave Access), HSDPA (High Speed Downlink Packet Access), and the like may be used. As a wired Internet technology, XDSL (Digital Subscriber Line), FTTH (Fibers to the Home), PLC (Power Line Communication), etc. may be used. In addition, the transceiver 203 may include a short range communication module. As a short-range communication technology, Bluetooth, Radio Frequency Identification (RFID), infrared data association (IrDA), Ultra Wideband (UWB), ZigBee, and the like may be used.

The transceiver 203 may perform communication with the user's terminal 100, communication with the blockchain network 400, and communication with other servers. The transmission/reception unit 203 may receive a request related to an account or game including an account transfer request, a block chain address generation request, etc. from the user's terminal, and transmit a smart contract based on the account transfer request or a transaction including a smart contract. have.

The storage unit 202 may store information in any form generated or determined by the processor 201 and information in any form received by the transmission/reception unit 203 in the server 200. The storage unit 202 may include a memory and/or a permanent storage medium. The memory 130 is a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, SD or XD memory), and RAM. (Random Access Memory, RAM), SRAM (Static Random Access Memory), ROM (Read-Only Memory, ROM), EEPROM (Electrically Erasable Programmable Read-Only Memory), PROM (Programmable Read-Only Memory), magnetic memory, magnetic It may include at least one type of storage medium among a disk and an optical disk.

The processor 201 may control overall operations of components included in the server 200 for account movement. For example, when receiving an account transfer request from the user's terminal 100, the processor 201 may generate an account transfer request transaction to be transmitted on the blockchain network based on the received account transfer request. In addition, for example, when receiving a request for creating a blockchain address from the user's terminal 100, the processor 201 may generate and/or issue a transaction for generating a blockchain address corresponding to the user on the blockchain network. Can decide.

The processor 201 generates an account lease smart contract, an account transfer request smart contract, or an account transfer request transaction operable on the blockchain network based on the account transfer request, and the smart contract with one or more nodes constituting the block chain network. By transmitting a contract, a transaction including the smart contract, or the transaction, the smart contract or the transaction can be caused to be recorded in the blockchain network based on a consensus algorithm by a plurality of nodes constituting the blockchain network. have. After the smart contract or transaction based on the account movement or account rental request is recorded in the blockchain network, the processor 201 may use the account movement information or the account rental information to disclose the account movement information or the account rental information. It can be created or uploaded to the server 200.

Although not shown in FIG. 2, the server 200 may operate as a computing device constituting the block chain network 400. In this case, the computing device may include a processor and a memory storing a computer program executable by the processor.

3 exemplarily illustrates a method for moving an account according to an embodiment of the present disclosure.

The steps illustrated in FIG. 3 are exemplary steps, and it will be apparent to those skilled in the art that some of the steps of FIG. 3 may be omitted or additional steps may exist without departing from the scope of the spirit of the present disclosure.

FIG. 3 is a method for moving an account according to an embodiment of the present disclosure, which exemplarily illustrates a method of performing the account movement based on a user's terminal directly transmitting a transaction or query to a blockchain network.

Hereinafter, a block chain address generated on a block chain network will be described.

The user's terminal 100 may transmit a block chain address generation request to the server 200. The server 200 may transmit information for generating a block chain address to the block chain network 400 based on the received block chain address generation request. Alternatively, even if there is no request from the user's terminal 100, when a user subscribes to a platform such as a game provided by the server 200, a block chain corresponding to the user from the server 200 to the blockchain network 400 You can also ask for an address to be created.

The user's terminal 100 may transmit information for generating a blockchain address to the blockchain network 400 without going through the server 200.

A blockchain wallet corresponding to the user may be generated on the blockchain network 400 based on the user's request from the terminal 100 or the server 200. The blockchain wallet may be a software program for managing assets or data corresponding to users. The blockchain wallet may be a software program for managing a user's private key, public key, and assets or data.

The blockchain wallet includes a plurality of blockchain addresses, and one or more account information may be matched to each of the plurality of blockchain addresses. One blockchain wallet can be created for one user. One or more blockchain addresses may be created in response to a blockchain wallet for a user.

The account information may include information related to a play log in the game. The account information may include achievements in the game, game characters possessed, game items possessed, and the like. The account information may include information related to a log in the game excluding information related to an individual user.

Information about the first account of the first game, information about the second account of the first game, and information about the third account of the second game, which is a game differentiated from the first game, may be matched to the blockchain address. have. Account information about two or more games may be matched to a block chain address corresponding to a user. In addition, two or more account information about one game may be matched to a block chain address corresponding to one user. For example, with respect to the block chain address “Blockchain_Account_1”, account information about the ID “Lineage_Account_1” of Lineage Revolution games, account information about the ID “Lineage_Account_2” and “Mherosgh_Account_1” ID of the Marvel Future Fight game will be matched. I can. The detailed description of account information matching the above-described blockchain address is only an example, and the present disclosure is not limited thereto.

Hereinafter, a method of verifying a user's blockchain address in order for the server 200 to store a blockchain address corresponding to an account will be described.

According to an embodiment of the present disclosure, the server 200 includes a plurality of nodes constituting the blockchain network 400 to check whether there is a blockchain address corresponding to the user on the blockchain network 400. An address search query may be issued to at least one of the nodes. When the user's terminal 100 requests the block chain network 400 to generate a block chain address, the server 200 may not have information on the block chain address corresponding to the user. When a user subscribes to a platform (for example, a game) operated by the server, the server 200 may transmit an address search query to the blockchain network 400 in order to check the blockchain address for the user. .

The server 200 may receive the block chain address from the user's terminal 100 after the block chain address corresponding to the user is generated on the block chain network 400. When the user's terminal 100 directly transmits a block chain address generation request to the blockchain network 400 without going through the server 200, the user's terminal 100 may store the block chain address corresponding to the user. I can. The user's terminal 100 may transmit a block chain address corresponding to the user to the server 200 upon subscription to the platform of the server 200 or after subscription.

The server 200 may receive the block chain address from the block chain network 400 after the block chain address corresponding to the user is generated on the block chain network 400. Alternatively, the server 200 is a node constituting the block chain network 400, and when a block chain address is generated on the block chain network 400, the corresponding information may be received.

As described above, the server 200 may check a block chain address corresponding to a user and match the block chain address with the user's account information. In addition, the server 200 may store additional user personal information in addition to matching account information and blockchain address.

The server 200 may receive social information from the user's terminal 100. The server 200 may match the received social information with the user's account information. The server 200 may receive the first social information from the terminal 100a of the first user. When the account is transferred from the first user to the second user, the server 200 receives the second social information from the terminal 100b of the second user and matches the second social information with the account information instead of the first social information. can do. The server 200 may match the account information and the social information to perform account login or interaction with other users based on social information. The server 200 may allow login to the account based on the blockchain address, or may allow login to the account based on social information. When the account information and social information are matched, the server 200 may log in based on the social information. The social information may be login information based on other internet platforms. For example, the social information may be Facebook or Twitter, and when the server 200 matches account information and social information, the user may log in to the server 200 through Facebook login. The specific description of the above-described social account is only an example, and the present disclosure is not limited thereto.

Hereinafter, a method for matching and recording a block chain address and account information on the block chain network 400 will be described.

The server 200 may match 310 with account information and a block chain address corresponding to a user on the block chain network 400. In the storage unit 202 of the server 200, a block chain address corresponding to the user may be matched with the user's account information and stored.

The server 200 may generate an account linking transaction to record the account information corresponding to the block chain address in the block chain network 400. The account linking transaction may include a private key or unique identification information corresponding to the server 200 that issued the account linking transaction, a block chain address corresponding to a user, and the account information. The server 200 may transmit the account connection transaction to one or more nodes of the blockchain network 400. For example, when a first user subscribes to the server 200 and creates an account, a block chain corresponding to the first user in order to record account information (“lineage1227” in this example) in the blockchain network 400 An account linking transaction including the address, account information “lineage1227”, and the private key of the server 200 may be generated. The server 200 may transmit the generated account connection transaction to one or more nodes of the blockchain network 400. One or more nodes of the blockchain network 400 may propagate and record an account connection transaction received from the server 200. In the above-described example, one or more account information held by the first user may be checked based on recording of an account linking transaction including a block chain address corresponding to the first user. The detailed description of the aforementioned account linking transaction is merely an example, and the present disclosure is not limited thereto.

Hereinafter, a method of moving an account will be described.

The account transfer request transaction is transmitted from the terminal 100a of the first user to one or more nodes constituting the blockchain network 400, and then transmitted to a plurality of nodes constituting the blockchain network 400. It may be recorded in the blockchain network 400 based on the consensus algorithm. The first user may be a user who owns the account before moving the account. The second user may be a user who owns the account after moving the account. The terminal 100a of the first user may generate an account transfer request transaction for account transfer.

The account transfer request transaction may include a private key or unique identification information of the first user who issued the account transfer request transaction, a second blockchain address, and the account information transferred from the first user to the second user. have. The first user's blockchain address may be a first blockchain address, and the second user's blockchain address may be a second blockchain address. In order to generate an account transfer request transaction, the terminal 100a of the first user may receive a second blockchain address from the terminal 100b of the second user. Alternatively, in order to create an account transfer request transaction, the terminal 100a of the first user is a plurality of nodes constituting the blockchain network 400 to search for the second blockchain address recorded in the blockchain network 400. An address search query may be transmitted to at least one of the nodes. Alternatively, in order to generate an account transfer request transaction, the terminal 100a of the first user may request the server 200 to transmit a second block chain address, and receive a second block chain address. When there is a plurality of account information of the first user matching the first blockchain address, only account information included in the account transfer request transaction may be changed to match the second blockchain address. The detailed description of the account transfer request transaction described above is only an example, and the present disclosure is not limited thereto.

After the account transfer request transaction is issued on the blockchain network 400 from a first blockchain address corresponding to a first user to a second blockchain address corresponding to a second user, the account transfer The first blockchain address matched with the account information corresponding to the request transaction may be deleted, and the account information and the second blockchain address may be matched 320. The server 200 deletes the first blockchain address matched with account information for account transfer when an account transfer request transaction is issued or recorded on the blockchain network 400, and the account information and The second block chain address can be matched.

The server 200 may perform an operation for moving an account by receiving information indicating that the account transfer request transaction has been issued or recorded from the blockchain network 400. Alternatively, when the server 200 serves as one of a plurality of nodes constituting the blockchain network 400, when an account transfer request transaction is recorded on the blockchain network 400, the server 200 ) May recognize that the account transfer request transaction has been recorded.

After the account transfer request transaction is issued to the blockchain network 400, the server 200 may delete the first blockchain address corresponding to the first user matched with the account information. The server 200 may delete the first blockchain address matched with the account information stored in the storage unit 202. The server 200 may match the account information and the second blockchain address based on the second blockchain address corresponding to the second user included in the account transfer request transaction. The server 200 may match the account information with the second blockchain address in the storage unit 202. As the block chain address matched with the account information in the storage unit 202 is changed, the server 200 may not allow login or access to the user's account based on the first block chain address. As the block chain address matched with the account information in the storage unit 202 is changed, the server 200 may allow login or access to the user's account based on the second block chain address.

The server 200 may change social information matched with the account information based on the account transfer request transaction being issued to the blockchain network 400. The server 200 may delete the first social information matched with the account information after issuing the account transfer request transaction. The server 200 may delete from the storage unit 202 the first blockchain address and the first social information that match the account information based on the first user who was the owner of the account before the account transfer. After the first social information matched with the account information is deleted from the storage unit 202, access or login to the account based on the first social information of the first user may not be allowed. The server 200 may receive the second social information from the terminal 100b of the second user corresponding to the second blockchain address included in the account transfer request transaction. The server 200 may match account information with the second social information. The server 200 may store account information and second social information in the storage unit 202. After the second social information is matched with the account information in the storage unit 202, the second user may be allowed to access or log in to the account based on the second social information.

Hereinafter, when there is an account movement, a method of notifying a plurality of users about account movement will be described.

The account transfer request transaction includes a second smart contract for uploading information on the account transfer to the server 200 to allow one or more users to confirm the account transfer after issuance of the account transfer request transaction. can do. The terminal 100a of the first user may generate an account movement request transaction including a second smart contract for providing information on account movement to a plurality of users after account movement is completed. The blockchain network 400 may cause the second smart contract to be recorded in the local storage of the blockchain network 400 through verification of the account transfer request transaction including the second smart contract.

The account transfer request transaction may include a third smart contract that transmits a notification regarding account transfer to one or more users after issuance of the account transfer request transaction. The server 200 may transmit a notification notifying that an account has been moved to each of the terminals 100 of a plurality of users.

Hereinafter, an account rental method will be described.

Account lease may be determining that an account owned by the first user will be owned by the second user for a certain period of time. The terminal 100a of the first user may generate an account transfer request transaction including the first smart contract for achieving account lease and transmit it to the blockchain network 400.

The account transfer request transaction may include a first smart contract for achieving account lease. The first smart contract determines whether the first sub-contract for transmitting the account information from the first blockchain address to the second blockchain address and the account lease termination condition are satisfied, and the account lease termination condition is If satisfied, a second sub-contract for transmitting the account information from the second blockchain address to the first blockchain address may be included.

After the account transfer request transaction including the first smart contract is issued to the blockchain network 400, the server 200 changes at least one of the blockchain address and social information matching the account information based on the account lease. I can. The server 200 may receive an account transfer request transaction including the first smart contract based on at least one of the first user's terminal 100a and the blockchain network 400. The server 200 deletes the first blockchain address corresponding to the first user matched with the account information, based on the account transfer request transaction including the first sub-contract, and the second blockchain corresponding to the second user. Addresses may be matched and stored in the storage unit 202. The server 200 may delete the first social information matched with the account information based on the first sub-contract, and match the second social information with the account information. Alternatively, when the account transfer request transaction is a transaction based on account rental, the server 200 maintains the first blockchain address and first social information matched with the account information, and stores the second blockchain address and the second social information. Can be added. In this embodiment, login or access to an account based on the first blockchain address, the second blockchain address, the first social information, or the second social information may all be allowed during the account rental period.

The server 200 may determine whether the account lease termination condition is satisfied based on the first smart contract. The account lease termination condition may include a condition for a predetermined period, a predetermined achievement condition, and the like. For example, an account lease termination condition may be a period of one month. The server 200 may determine whether a period of one month has been satisfied from the time when the account transfer request transaction is issued. For example, the account lease termination condition may be a level 2 upgrade. When the server 200 is upgraded by a second level from the level based on the account information at the time when the first block chain address is matched with the account information, it may be determined that the second sub-contract is executed. Detailed description of the above-described account rental termination condition is only an example, and the present disclosure is not limited thereto.

The server 200 may change at least one of a block chain address and social information matching the account information when the account rental termination condition is satisfied. Based on the second sub-contract, the server 200 may change at least one of the block chain address and social information matched with the account information to the block chain address and social information before issuing the account transfer request transaction. When the account lease termination condition is satisfied, the server 200 may delete the second blockchain address matched with the account information and match the first blockchain address with the account information. When the account lease termination condition is satisfied, the server 200 may delete the second social information matched with the account information, and match the first social information with the account information. Alternatively, if login based on both the first blockchain address and the second blockchain address is allowed during the account lease period, the server 200 will provide the second blockchain address and the second social information when the account lease termination condition is satisfied. Only an operation of deleting at least one of them may be performed.

Hereinafter, a method of performing blockchain authentication for account login will be described.

The server 200 may receive a private key or unique identification information corresponding to the user from the user's terminal 100.

The server 200 may perform user authentication based on a private key or unique identification information corresponding to the user, and a block chain address corresponding to the user on the blockchain network 400. The server 200 may transmit the received private key or unique identification information to the blockchain network 400 to check account information matching the user's blockchain address. The server 200 may allow the user to log into an account based on the user authentication.

The server 200 may receive a selection regarding one of the two or more game or game accounts when there are two or more accounts of the game or game managed based on the block chain address corresponding to the user. There may be more than one account information matching one block chain address on the block chain network 400. The server 200 may receive from the user's terminal 100 whether a login is to be performed based on which account information among the two or more account information. The server 200 may allow account login based on the selection.

The server 200 may provide different game events based on the user's play tendency. The event may be an effect provided from the game server to the game player according to the progress of the game. For example, different items or quests may be provided according to the user's disposition. The server 200 may identify a block chain address, determine that a user based on the same block chain address has the same tendency, and provide a game event of the same tendency. For example, the block chain address of the user of game A managed by the server 200 is “A_chain_1”, and the user's game play tendency may be determined as the X tendency by analyzing the user's game play log. When a user with a block chain address of “A_chain_1” subscribes to the B game managed by the server 200, the game play tendency of the user having the same block chain address may be determined as the X tendency based on the A game. The server 200 can determine the user's game play propensity based on the user's blockchain address, even before analyzing the play log of the user who entered the B game, and provide a customized game event to the user. have. The specific description of the above-described game play tendency is only an example, and the present disclosure is not limited thereto.

When there is an account movement, the server 200 may provide a game event of a different tendency to a user based on a block chain address newly matched with the account information. The server 200 may provide the first user with a game event for a tendency to match the first blockchain address matched with the account information before moving the account. After the account is moved, when the block chain address matched with the account information is changed to the second block chain address, the server 200 may provide a game event for the tendency to match the second block chain address to the second user. According to an embodiment of the present disclosure, it is possible to increase the user's interest and interest by providing a game event suitable for the user by distinguishing a user by a blockchain address.

4 exemplarily illustrates a method of moving an account according to an embodiment of the present disclosure.

The steps illustrated in FIG. 4 are exemplary steps, and it will be apparent to those skilled in the art that some of the steps of FIG. 3 may be omitted or additional steps may exist without departing from the scope of the spirit of the present disclosure.

FIG. 4 exemplarily illustrates a method of transmitting or receiving information of the blockchain network 400 through the server 200 by the user's terminal 100 according to an embodiment of the present disclosure.

The server 200 may receive a request for generating a block chain address from the user's terminal 100. The server 200 may transmit information for generating a block chain address to the block chain network 400 based on the received block chain address generation request. Alternatively, even if there is no request from the user's terminal 100, when a user subscribes to a platform such as a game provided by the server 200, a block chain corresponding to the user from the server 200 to the blockchain network 400 You can also ask for an address to be created.

A blockchain wallet corresponding to the user may be generated on the blockchain network 400 based on the request of the server 200. The server 200 may match 410 account information with a block chain address corresponding to a user on the block chain network 400.

The server 200 may receive 420 an account transfer request from the terminal 100a of the first user. The server 200 may generate 430 an account transfer request transaction based on the received account transfer request. The server 200 transmits the account transfer request transaction to one or more nodes constituting the blockchain network 400, based on a consensus algorithm by a plurality of nodes constituting the blockchain network 400. It may cause 440 to be recorded in the blockchain network 400. The account transfer request transaction includes the private key or unique identification information of the server 200 that issued the account transfer request transaction, the second blockchain address, and the account information transferred from the first user to the second user. I can.

After the account transfer request transaction is issued on the blockchain network 400 from a first blockchain address corresponding to a first user to a second blockchain address corresponding to a second user, the account transfer The first blockchain address matched with the account information corresponding to the request transaction may be deleted, and the account information and the second blockchain address may be matched 450.

5 illustrates an exemplary flow chart of a method for moving an account according to an embodiment of the present disclosure.

The terminal 100a of the first user and the terminal 100b of the second user may transmit 501 a request for generating a block chain address to the block chain network 400. The first user's terminal 100a and the second user's terminal 100b may each receive a block chain address corresponding to the user from the block chain network 400.

According to an embodiment of the present disclosure, the terminal 100a of the first user and the terminal 100b of the second user may transmit 503a a block chain address to the server 200.

According to another embodiment of the present disclosure, the server 200 may transmit a block chain address search query to the block chain network 400 to search for a block chain address of a user's terminal (530b).

According to another embodiment of the present disclosure, when a blockchain address is generated, the blockchain network 400 may transmit (503c) the blockchain address to the server 200. Alternatively, when the server 200 is one of a plurality of nodes constituting the block chain network 400, the server 200 generates a block chain address in the block chain network 400 and propagates and/or records it. Accordingly, a blockchain address can be obtained.

The server 200 may match 505 account information with a first blockchain address corresponding to the first user.

The server 200 may transmit (507) an account connection transaction to the blockchain network 400 in order to record account information on the first user in the blockchain network 400. The account linking transaction may include a private key or unique identification information corresponding to the server 200 that issued the account linking transaction, a block chain address corresponding to a user, and the account information.

The blockchain network 400 may propagate and record 509 account linking transactions based on a consensus algorithm by a plurality of nodes constituting the blockchain network 400.

When there is an account transfer contract between the first user and the second user, the terminal 100a of the first user may generate an account transfer request transaction. The terminal 100a of the first user may transmit 511 a transaction requesting an account transfer to the blockchain network 400. The private key or unique identification information of the first user who issued the account transfer request transaction, the second blockchain address, and the account information transferred from the first user to the second user may be included.

The blockchain network 400 may propagate and record 513 an account transfer request transaction based on a consensus algorithm by a plurality of nodes constituting the blockchain network 400.

The server 200 may delete the first blockchain address matched with the account information based on the issuance of the account transfer request transaction, and match 515 the second blockchain address with the account information.

6 illustrates an exemplary flow chart of a method for moving an account according to an embodiment of the present disclosure.

The first user's terminal 100a and the second user's terminal 100b may transmit a block chain address generation request to the server 200 (601a).

The server 200 may transmit (601b) information for requesting generation of a block chain address to the block chain network 400 based on a request for generating a block chain address from the user's terminal 100.

According to an embodiment of the present disclosure, the server 200 may transmit (603a) a block chain address search query for searching the block chain address of the user's terminal to the block chain network 400.

According to another embodiment of the present disclosure, when a blockchain address is generated, the blockchain network 400 may transmit a blockchain address to the server 200 (603b). Alternatively, when the server 200 is one of a plurality of nodes constituting the block chain network 400, the server 200 generates a block chain address in the block chain network 400 and propagates and/or records it. Accordingly, a blockchain address can be obtained.

The server 200 may match (605) the account information with the first blockchain address corresponding to the first user.

The server 200 may transmit 607 an account connection transaction to the blockchain network 400 in order to record account information on the first user in the blockchain network 400. The account linking transaction may include a private key or unique identification information corresponding to the server 200 that issued the account linking transaction, a block chain address corresponding to a user, and the account information.

The blockchain network 400 may propagate and record 609 an account connection transaction based on a consensus algorithm by a plurality of nodes constituting the blockchain network 400.

When there is an account transfer contract between the first user and the second user, the terminal 100a of the first user may transmit 611 an account transfer request to the server 200.

The server 200 may generate an account transfer request transaction based on the account transfer request received from the terminal of the first user, and transmit the generated account transfer request transaction to the blockchain network 400 (613). The account transfer request transaction may include the private key or unique identification information of the server that issued the account transfer request transaction, the second blockchain address, and the account information transferred from the first user to the second user. .

The blockchain network 400 may propagate and record 615 an account transfer request transaction based on a consensus algorithm by a plurality of nodes constituting the blockchain network 400.

The server 200 may delete the first blockchain address matched with the account information based on the issuance of the account transfer request transaction, and match the second blockchain address with the account information (617).

FIG. 7 exemplarily illustrates a manner in which a smart contract is propagated to a blockchain network according to an embodiment of the present disclosure.

According to an embodiment of the present disclosure, a smart contract may achieve an account movement method in a manner in which integrity and stability are guaranteed and user convenience is maximized. In the present specification, a sub-contract is a component constituting a smart contract, and may mean a group of codes or a function (including a group of functions) performing a specific function.

As shown in FIG. 7, the smart contract 700 can be converted into a byte code form by the compiler 701, and a transaction converted into a byte code form is included in the block 703 so that the blockchain network 400 Can be propagated. A smart contract converted into byte code may be executed by a computing device in the blockchain network 400 (eg, by a virtual machine of the computing device). Also, the compiler 701 in the present disclosure may include any type of program for converting a code written in a specific programming language into another programming language. The compiler may also be included in at least one of the computing device, the server 200, and the user's terminal 100 constituting the blockchain network 400.

The server 200 according to an embodiment of the present disclosure may be operable off-chain or on-chain. According to an embodiment of the present disclosure, when the server 200 operates on an off-chain, since the account movement method is performed in a combination of on-chain and off-chain, the user's experience according to account movement is increased. In addition to being able to do so, account transfers with high reliability and integrity can be achieved.

Additionally, according to an embodiment of the present disclosure, transparent account movement and account lease may be possible using blockchain technology. In addition, according to an embodiment of the present disclosure, through a combination of on-chain and off-chain, and a combination of the server 200 and the block chain network 400, the problem of the scalability of the block chain can be solved.

8 exemplarily shows a connection structure of blocks stored in a blockchain network according to an embodiment of the present disclosure.

As shown in FIG. 8, blocks 1400a, 1400b, and 1400c, which are storage units in the blockchain network 400, may be connected to each other in a chain form to form a blockchain.

Blocks 1400a, 1400b, and 1400c may consist of a block header and a transaction. The block header may include, for example, a hash value of a previous block header, a nonce value, and a hash value of a transaction group. The nonce value is a value that a node in the blockchain network 400 changes to generate a block, and may be used as an input value of a specific hash function along with other values of the block header. When a specific nonce value is used, if the hash value of the block header is smaller than the predetermined difficulty value (which can be stored in the block header), the hash value for the corresponding block header may be determined. The hash value of the transaction group may mean the root hash value of data included in the transaction.

As shown in Fig. 8, since the block hash value of block 302 (1400a) is used as an input value to obtain the block hash value of the block header of block 302 (1400b), block 302 (1400b) and block 301 (1400a) ) Can be connected to each other. In addition, in obtaining the block hash value, since the hash value of the transaction group, which is a hash value representing transactions, is used as an input value, when any forgery or alteration of a transaction occurs, the hash value of the transaction group is changed. In this way, adjacent blocks can be connected to each other, and transaction information within the block can be stored with integrity.

The transaction of the blocks 1400a, 1400b and 1400c is the transaction(s) included in the block among issued transactions, and when the transaction is included in the block, the operation related to the transaction will be performed in the blockchain network 400. I can.

Here, A, B, C, D, E, and F may correspond to addresses in the blockchain network 400 such as externally owned account or wallet address. In addition, Contracts 1 and 2 may mean smart contracts stored in the contract account.

As shown in Fig. 8, the transaction in block 301 (1400a) is a transaction (Tx 1) for transferring 20 Coins from A to B, and a transaction for creating or calling smart contract 1 from C (Tx 2). It may include.

In addition, the transaction at block 302 (1400b) may include a transaction (Tx 1) to transfer 5 Coins from B to A, and a transaction to create or call a smart contract 2 from D (Tx 2).

In addition, the transaction in block 303 (1400c) may include a transaction (Tx 1) for transferring 10 Coins from F to E and a transaction for creating or calling smart contract 1 from G (Tx 3).

As an additional embodiment, although not shown in FIG. 8, the block headers of the blocks 1400a, 1400b, and 1400c are: the hash value (ParentHash) of the parent block (previous block), the uncle block of the current block (the difficulty of the block is relatively The hash value (UncleHash) of blocks that were not adopted as blocks), the account address (Coinbase) to receive the transaction fee after mining, the root node hash value (Root) of the Merkle Patricia tree where the account status information is collected, Merkletree's root node hash value (TxHash) for all transactions, Merkletree's root node hash value (ReceiptHash) of all transactions in the block, and 32-byte bloom filter information used to use log information (Bloom) , The total of the block difficulty (Difficulty) calculated by the difficulty of the previous block and the timestamp, the current block number (Number), the maximum payable gas per block (the concept of the cost (token) used to process the transaction/smart contract) ( GasLimit), the total number of gases used in transactions within the block (GasUsed), the initial generation time of the block (Time), other information of the block (Extra), and/or to ensure the number of calculations sufficient to calculate the hash value from the proof of work. It can also include values to be used (MixDigest, Nonce).

9 shows a general schematic diagram of an exemplary computing environment in which embodiments of the present disclosure may be implemented.

The computer 1102 illustrated in FIG. 9 may correspond to at least one of a user's terminal 100, a server 200, and a computing device constituting the blockchain network 400.

While the present disclosure has generally been described above with respect to computer-executable instructions that may be executed on one or more computers, those skilled in the art will appreciate that the present disclosure may be implemented in combination with other program modules and/or as a combination of hardware and software. I will know.

In general, modules herein include routines, procedures, programs, components, data structures, etc. that perform particular tasks or implement particular abstract data types. Further, to those skilled in the art, the method of the present disclosure is not limited to single-processor or multiprocessor computer systems, minicomputers, mainframe computers, as well as personal computers, handheld computing devices, microprocessor-based or programmable household appliances, and the like (each of which It will be appreciated that it may be implemented with other computer system configurations, including one or more associated devices).

The described embodiments of the present disclosure may also be practiced in a distributed computing environment where certain tasks are performed by remote processing devices that are connected through a communication network. In a distributed computing environment, program modules may be located in both local and remote memory storage devices.

Computers typically include a variety of computer-readable media. A computer-accessible medium includes volatile and non-volatile media, transitory and non-transitory media, and removable and non-removable media. By way of example, and not limitation, computer-readable media may include computer-readable storage media and computer-readable transmission media.

Computer-readable storage media include volatile and nonvolatile media, transitory and non-transitory media, removable and non-removable media implemented in any method or technology for storing information such as computer-readable instructions, data structures, program modules or other data. Includes the medium. Computer-readable storage media include RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital video disk (DVD) or other optical disk storage, magnetic cassette, magnetic tape, magnetic disk storage, or other magnetic storage. Devices, or any other medium that can be accessed by a computer and used to store desired information.

The computer-readable transmission medium embodies computer-readable instructions, data structures, program modules or other data in a modulated data signal such as other transport mechanism, and includes all information delivery media. The term modulated data signal refers to a signal in which one or more of the characteristics of the signal is set or changed to encode information in the signal. By way of example, and not limitation, computer-readable transmission media include wired media such as a wired network or direct-wired connection, and wireless media such as acoustic, RF, infrared, and other wireless media. Combinations of any of the above-described media are also intended to be included within the scope of computer-readable transmission media.

An exemplary environment 1100 is shown that implements various aspects of the present disclosure, including a computer 1102, which includes a processing device 1104, a system memory 1106, and a system bus 1108. do. System bus 1108 couples system components, including but not limited to, system memory 1106 to processing device 1104. The processing unit 1104 may be any of a variety of commercially available processors. Dual processors and other multiprocessor architectures may also be used as processing unit 1104.

The system bus 1108 may be any of several types of bus structures that may be additionally interconnected to a memory bus, a peripheral bus, and a local bus using any of a variety of commercial bus architectures. System memory 1106 includes read-only memory (ROM) 1110 and random access memory (RAM) 1112. The basic input/output system (BIOS) is stored in non-volatile memory 1110 such as ROM, EPROM, EEPROM, etc. This BIOS is a basic input/output system that helps transfer information between components in the computer 1102, such as during startup. Includes routines. RAM 1112 may also include high speed RAM such as static RAM for caching data.

Computer 1102 also includes internal hard disk drive (HDD) 1114 (e.g., EIDE, SATA)-This internal hard disk drive 1114 can also be configured for external use within a suitable chassis (not shown). Yes--, magnetic floppy disk drive (FDD) 1116 (for example, to read from or write to removable diskette 1118), and optical disk drive 1120 (e.g., CD-ROM For reading the disk 1122 or reading from or writing to other high-capacity optical media such as DVD). The hard disk drive 1114, magnetic disk drive 1116, and optical disk drive 1120 are each connected to the system bus 1108 by a hard disk drive interface 1124, a magnetic disk drive interface 1126, and an optical drive interface 1128. ) Can be connected. The interface 1124 for implementing an external drive includes, for example, at least one or both of USB (Universal Serial Bus) and IEEE 1394 interface technologies.

These drives and their associated computer readable media provide non-volatile storage of data, data structures, computer executable instructions, and the like. In the case of computer 1102, drives and media correspond to storing any data in a suitable digital format. Although the description of the computer-readable storage medium above refers to a removable optical medium such as a HDD, a removable magnetic disk, and a CD or DVD, those skilled in the art may include a zip drive, a magnetic cassette, a flash memory card, a cartridge, It will be appreciated that other types of computer-readable storage media, such as etc., may also be used in the exemplary operating environment and that any such media may contain computer-executable instructions for performing the methods of the present disclosure. .

A number of program modules, including the operating system 1130, one or more application programs 1132, other program modules 1134, and program data 1136, may be stored in the drive and RAM 1112. All or part of the operating system, applications, modules, and/or data may also be cached in RAM 1112. It will be appreciated that the present disclosure may be implemented on a number of commercially available operating systems or combinations of operating systems.

A user may input commands and information to the computer 1102 through one or more wired/wireless input devices, for example, a pointing device such as a keyboard 1138 and a mouse 1140. Other input devices (not shown) may include a microphone, IR remote control, joystick, game pad, stylus pen, touch screen, and the like. These and other input devices are often connected to the processing unit 1104 through the input device interface 1142, which is connected to the system bus 1108, but the parallel port, IEEE 1394 serial port, game port, USB port, IR interface, It can be connected by other interfaces such as etc.

A monitor 1144 or other type of display device is also connected to the system bus 1108 through an interface such as a video adapter 1146. In addition to the monitor 1144, the computer generally includes other peripheral output devices (not shown) such as speakers, printers, etc.

Computer 1102 may operate in a networked environment using logical connections to one or more remote computers, such as remote computer(s) 1148 via wired and/or wireless communication. The remote computer(s) 1148 may be a workstation, server computer, router, personal computer, portable computer, microprocessor-based entertainment device, peer device, or other common network node, and is generally referred to as a computer 1102. Although including many or all of the described components, only memory storage device 1150 is shown for simplicity. The logical connections shown include wired/wireless connections to a local area network (LAN) 1152 and/or to a larger network, eg, a wide area network (WAN) 1154. Such LAN and WAN networking environments are common in offices and companies, and facilitate an enterprise-wide computer network such as an intranet, all of which can be connected to a worldwide computer network, for example the Internet.

When used in a LAN networking environment, the computer 1102 is connected to the local network 1152 via a wired and/or wireless communication network interface or adapter 1156. Adapter 1156 may facilitate wired or wireless communication to LAN 1152, which also includes a wireless access point installed therein to communicate with wireless adapter 1156. When used in a WAN networking environment, the computer 1102 may include a modem 1158, connected to a communication server on the WAN 1154, or through the Internet, etc. to establish communication through the WAN 1154 Have means. The modem 1158, which may be an internal or external and a wired or wireless device, is connected to the system bus 1108 through a serial port interface 1142. In a networked environment, program modules described for the computer 1102 or portions thereof may be stored in the remote memory/storage device 1150. It will be appreciated that the network connections shown are exemplary and other means of establishing communication links between computers may be used.

Computer 1102 is associated with any wireless device or entity deployed and operated in wireless communication, e.g., a printer, scanner, desktop and/or portable computer, portable data assistant (PDA), communication satellite, wireless detectable tag. It operates to communicate with any device or place and phone. This includes at least Wi-Fi and Bluetooth wireless technologies. Thus, the communication may be a predefined structure as in a conventional network or may simply be ad hoc communication between at least two devices.

Wi-Fi (Wireless Fidelity) allows you to connect to the Internet, etc. without wires. Wi-Fi is a wireless technology such as a cell phone that allows such devices, for example computers, to transmit and receive data indoors and outdoors, ie anywhere within the coverage area of a base station. Wi-Fi networks use a wireless technology called IEEE 802.11 (a,b,g, etc.) to provide a secure, reliable and high-speed wireless connection. Wi-Fi can be used to connect computers to each other, to the Internet, and to a wired network (using IEEE 802.3 or Ethernet). Wi-Fi networks can operate in unlicensed 2.4 and 5 GHz radio bands, for example at 11 Mbps (802.11a) or 54 Mbps (802.11b) data rates, or in products that include both bands (dual band). have.

A person of ordinary skill in the art of the present disclosure includes various exemplary logical blocks, modules, processors, means, circuits and algorithm steps described in connection with the embodiments disclosed herein, electronic hardware, (convenience). For the sake of clarity, it will be appreciated that it may be implemented by various forms of program or design code or a combination of both (referred to herein as "software"). To clearly illustrate this interchangeability of hardware and software, various illustrative components, blocks, modules, circuits and steps have been described above generally in terms of their functionality. Whether such functionality is implemented as hardware or software depends on the particular application and design constraints imposed on the overall system. A person of ordinary skill in the art of the present disclosure may implement the described functions in various ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present disclosure.

The various embodiments presented herein may be implemented as a method, apparatus, or article of manufacture using standard programming and/or engineering techniques. The term “article of manufacture” includes a computer program, carrier, or media accessible from any computer-readable device. For example, computer-readable storage media include magnetic storage devices (e.g., hard disks, floppy disks, magnetic strips, etc.), optical disks (e.g., CD, DVD, etc.), smart cards, and flash Memory devices (eg, EEPROMs, cards, sticks, key drives, etc.), but are not limited thereto. The term “machine-readable medium” includes, but is not limited to, wireless channels and various other media capable of storing, holding, and/or transmitting instruction(s) and/or data.

It is to be understood that the specific order or hierarchy of steps in the presented processes is an example of exemplary approaches. Based on the design priorities, it is to be understood that within the scope of the present disclosure a specific order or hierarchy of steps in processes may be rearranged. The appended method claims provide elements of the various steps in a sample order, but are not meant to be limited to the specific order or hierarchy presented.

The description of the presented embodiments is provided to enable any person skilled in the art to make or use the present disclosure. Various modifications to these embodiments will be apparent to those of ordinary skill in the art, and general principles defined herein may be applied to other embodiments without departing from the scope of the present disclosure. Thus, the present disclosure is not limited to the embodiments presented herein, but is to be interpreted in the widest scope consistent with the principles and novel features presented herein.

Claims (17)

A computer program stored on a computer-readable storage medium, the computer program performing a method for account transfer when executed on one or more processors of a computing device, the method comprising:
Matching account information with a block chain address corresponding to a user on the block chain network;
Transmitting an account linking transaction to one or more nodes of the blockchain network; And
After the account transfer request transaction is issued from the first block chain address corresponding to the first user to the second block chain address corresponding to the second user on the blockchain network, account information corresponding to the account transfer request transaction and Deleting the matched first blockchain address, and matching the account information with the second blockchain address;
Contains, and
The account linking transaction includes a block chain address corresponding to the user and the account information,
The account transfer request transaction is transmitted from the terminal of the first user to one or more nodes constituting the blockchain network, and then the block based on a consensus algorithm by a plurality of nodes constituting the blockchain network. Recorded in the chain network,
A computer program stored on a computer-readable storage medium.
A computer program stored on a computer-readable storage medium, the computer program performing a method for account transfer when executed on one or more processors of a computing device, the method comprising:
Matching account information with a block chain address corresponding to a user on the block chain network;
Transmitting an account linking transaction to one or more nodes of the blockchain network;
Receiving an account transfer request from the terminal of the first user;
Generating an account transfer request transaction based on the received account transfer request;
Transmitting the account transfer request transaction to one or more nodes constituting the blockchain network, and causing the transaction to be recorded in the blockchain network based on a consensus algorithm by a plurality of nodes constituting the blockchain network; And
After the account transfer request transaction is issued from the first block chain address corresponding to the first user to the second block chain address corresponding to the second user on the blockchain network, account information corresponding to the account transfer request transaction and Deleting the matched first blockchain address, and matching the account information with the second blockchain address;
Contains, and
The account linking transaction includes a block chain address corresponding to the user and the account information,
A computer program stored on a computer-readable storage medium.
The method according to claim 1 or 2,
The method is:
Issuing an address search query to at least one of a plurality of nodes constituting the blockchain network to check whether there is a blockchain address corresponding to the user on the blockchain network;
Receiving the block chain address from the user's terminal after the block chain address corresponding to the user is generated on the block chain network; And
Receiving the block chain address from the block chain network after the block chain address corresponding to the user is generated on the block chain network;
Further comprising at least one step of,
A computer program stored on a computer-readable storage medium.
The method according to claim 1 or 2,
The method is:
Generating an account linking transaction for recording the account information in a block chain address corresponding to the user;
Further comprising,
A computer program stored on a computer-readable storage medium.
The method of claim 1,
The account linking transaction is:
A private key or unique identification information corresponding to the server that issued the account connection transaction;
Further comprising,
A computer program stored on a computer-readable storage medium.
The method according to claim 1 or 2,
A blockchain wallet corresponding to the user is created on the blockchain network based on the request of the user's terminal or server, and the blockchain wallet includes a plurality of blockchain addresses, and the plurality of blocks One or more account information is matched to each chain address,
A computer program stored on a computer-readable storage medium.
The method according to claim 1 or 2,
Information on the first account of the first game, information on the second account of the first game, and information on the third account of the second game, which is a game differentiated from the first game, are matched to the block chain address. ,
A computer program stored on a computer-readable storage medium.
The method according to claim 1 or 2,
The account transfer request transaction is:
Private key or unique identification information of the first user who issued the account transfer request transaction; or
The private key or unique identification information of the server that issued the account transfer request transaction;
Contains, and
The second blockchain address; And
The account information moved from the first user to the second user;
Containing,
A computer program stored on a computer-readable storage medium.
The method according to claim 1 or 2,
The method is:
Receiving first social information from the terminal of the first user; And
Matching the account information with the first social information to perform an account login or an interaction with another user based on the first social information;
Further comprising,
A computer program stored on a computer-readable storage medium.
The method of claim 9,
The method is:
Deleting the first social information matched with the account information after issuing the account transfer request transaction;
Receiving second social information from the terminal of the second user; And
Matching the account information with the second social information;
Further comprising,
A computer program stored on a computer-readable storage medium.
The method according to claim 1 or 2,
The account information includes information related to the play log in the game,
A computer program stored on a computer-readable storage medium.
The method according to claim 1 or 2,
The account transfer request transaction includes a first smart contract for achieving account lease, and
The first smart contract is:
A first sub-contract for transmitting the account information from the first block chain address to the second block chain address; And
A second sub-contract for determining whether an account lease termination condition is satisfied, and when the account lease termination condition is satisfied, transmitting the account information from the second blockchain address to the first blockchain address;
Containing,
A computer program stored on a computer-readable storage medium.
The method according to claim 1 or 2,
The method is:
Receiving a private key or unique identification information corresponding to the user from the user's terminal;
Performing user authentication based on a private key or unique identification information corresponding to the user, and a block chain address corresponding to the user on the blockchain network; And
Allowing the user to log in to the account based on the user authentication;
Further comprising,
A computer program stored on a computer-readable storage medium.
The method of claim 13,
Allowing the user to log in to the account based on the authentication,
Receiving a selection regarding one of the two or more game or game accounts when there are more than one game or game account managed based on the block chain address corresponding to the user; And
Allowing account login based on the selection;
Containing,
A computer program stored on a computer-readable storage medium.
The method according to claim 1 or 2,
The account transfer request transaction comprises a second smart contract for uploading information on the account transfer to a server to allow one or more users to confirm the account transfer after issuance of the account transfer request transaction,
A computer program stored on a computer-readable storage medium.
As a server for performing the account transfer method,
A network unit for transmitting and receiving data with at least one of a user's terminal and a blockchain network; And
A first blockchain that matches account information with a blockchain address corresponding to a user on the blockchain network, transmits an account connection transaction to one or more nodes of the blockchain network, and corresponds to a first user on the blockchain network After the account transfer request transaction is issued from the address to the second blockchain address corresponding to the second user, the first blockchain address matched with the account information corresponding to the account transfer request transaction is deleted, and the account A processor that matches information with the second block chain address;
Contains, and
The account linking transaction includes a block chain address corresponding to the user and the account information,
The account transfer request transaction is transmitted from the terminal of the first user to one or more nodes constituting the blockchain network, and then the block based on a consensus algorithm by a plurality of nodes constituting the blockchain network. Recorded in the chain network,
Server to perform for account movement method.
As a server for performing the account transfer method,
A network unit for receiving an account transfer request from a terminal of a first user; And
Matching account information with a blockchain address corresponding to a user on the blockchain network, transmitting an account linking transaction to one or more nodes of the blockchain network, and creating an account transfer request transaction based on the received account transfer request And, by transmitting the account transfer request transaction to one or more nodes constituting the blockchain network, causing to be recorded in the blockchain network based on a consensus algorithm by a plurality of nodes constituting the blockchain network, and And after the account transfer request transaction is issued from the first block chain address corresponding to the first user to the second block chain address corresponding to the second user on the blockchain network, the account corresponding to the account transfer request transaction A processor for deleting the first blockchain address matched with information, and matching the account information with the second blockchain address;
Contains, and
The account linking transaction includes a block chain address corresponding to the user and the account information,
Server to perform the account movement method.

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