KR101995316B1 - Blockchain-based aggregate transaction system and method - Google Patents

Abstract

The present invention relates to a block chain-based integrated transaction system and a method thereof. More specifically, the integrated transaction method which enables the integrated transaction system to make multilateral transactions in the transfer of information based on block chain comprises: a step of selecting and receiving a transaction form, a transaction option and transaction content according to the same from a transaction requester through a communication interface; a step of allowing a node generation unit to generate a new node to be connected to a block chain network in order to register the transaction content in the block chain network if necessary, according to the transaction form; a step of allowing a transaction generation unit to generate a transaction in the node based on the transaction content; and a step of transmitting the generated transaction to the block chain network, thereby enabling a wider variety of transactions without breaking security beyond the limits of existing one-to-one transactions.

Description

BLOCKCHAIN-BASED AGGREGATE TRANSACTION SYSTEM AND METHOD}

The present invention relates to a blockchain-based integrated transaction system and method for enabling an integrated transaction by utilizing a blockchain-based distributed storage method, and more particularly to multilateral information transmission in the transfer of information based on blockchain. The present invention relates to a blockchain-based integrated transaction system and method that enables the transfer of various information to be made faster and more securely by integrating and recording a single transaction.

Blockchain technology is also known as a distributed ledger system, and BitCoin, which has recently been the topic of application, has been applied. Bitcoin is called virtual currency or cryptocurrency in the sense that it is a cryptocurrency that is traded online without any real life using cryptography technology, and currency is traded in a P2P network without a central server. That is, since there is no intermediate mediation between the peer (peer, computer or user of P2P network) and the peer, the transaction is possible without burdening various transaction fees required in reality.

In more detail, these cryptocurrency transactions are encrypted with a hash of a ledger that states that subtracting money at one address and adding money at a certain address, and continue to encrypt one ledger with a double-triggered method. It is called a "transaction root", which is composed of four types of transaction root and nonce value, block creation time, and previous block hash value. Is distributed to all connected nodes. Each transaction consists of an address of the sending peer, an address of the receiving peer, and one content to be transacted. In this case, each connected node is called a transaction creator and a data transmission process is called a transaction.

Blockchain authenticates third-party transactions when trading through cryptocurrency by connecting the information exchanged through P2P network into one ledger, encrypting it, and then forming a block and sprinkling it to connected nodes. And technology that enables the exchange of values without warranty.

However, these cryptocurrency transactions are likely to be the target of cyber attacks due to the existence of the cryptocurrency. Many cryptocurrency trading methods using the blockchain structure proposed so far improve security by not storing any private key required for cryptocurrency trading in any form, but have the following problems.

First, there is a limit of one-to-one trading. Since one block-based trading method is only possible, one trader can only make one transaction while one block is created.In the case of Bitcoin system, which is a representative example using blockchain technology, one block is usually used. It takes an average of 10 minutes to be created and a transaction must be confirmed six times (that is, six blocks must be created) to enable retransaction. Therefore, the time required for one transaction is at least 60 minutes, and as the number of traders increases, the time required for the transaction increases exponentially.

Second, trading is irreversible. In a blockchain-based transaction, the recipient's address is usually represented as a hash value consisting of a mixture of random letters and numbers. If the recipient's address is entered incorrectly, the entered information (money, messages, etc.) will disappear. For example, in the case of a cryptocurrency, if the recipient's address is incorrectly inputted, the transaction details cannot be reversed, and even if the recipient's address does not exist, the corresponding amount will be deducted from his / her account, and the trader may suffer a great loss.

Finally, transactions are expensive. When a transaction is made with the blockchain, a certain fee is incurred for each transaction. If multiple transactions are to be performed, a fee must be paid several times for each transaction.

Therefore, there is a need for a trading technology that can reduce transaction time and fees while maintaining the stability and security of cryptocurrency trading.

Therefore, in the present invention, all transactions including cryptocurrency (cryptocurrency, messages, registers, certificates of ownership, deeds of rights, membership points, donations, support service history, etc.) in the transaction of a chain of transmission of a single transmission It is possible to reduce the time and fee required for a transaction, and to propose an integrated transaction technology that increases the prudence while maintaining the stability of the transaction by inserting an encryption key into the transaction so that information can be transmitted when multiple senders agree. do.

Republic of Korea Patent Publication No. 10-2016-0114749 (Published 2016.10.06) Republic of Korea Patent Publication No. 10-2014-0137098 (Published Date 2014.12.02)

Accordingly, the present invention has been made to solve the above-mentioned problems of the prior art, and an object of the present invention is to carry out a multi-party transaction in which one transaction has been recorded in accordance with the transmission of information in the past. By integrating mutual information transfer and recording as a single transaction, it is possible to break away from the limitation of existing one-to-one transaction and enable various types of transactions, thereby reducing the fee, which is the cost of transactions. An integrated transaction system and method are provided.

The technical problems to be achieved in the present invention are not limited to the technical problems mentioned above, and other technical problems not mentioned above will be clearly understood by those skilled in the art from the following description. Could be.

The blockchain-based integrated transaction method according to a preferred embodiment of the present invention for achieving the above object, as a unified transaction method that enables the integrated transaction system multi-party transaction in the transfer of information based on the blockchain, Selecting and inputting a transaction form, a transaction option, and a corresponding transaction content from a transaction requester through a communication interface, and registering the transaction content with the block chain network if necessary according to the transaction form by a node generator; Generating a new node capable of connecting to a network, generating a transaction in the node based on the transaction content by a transaction generator, and transmitting the generated transaction to a blockchain network.

As described above, the blockchain-based integrated transaction system and method according to the present invention provides the following effects.

By integrating the information that had to be sent from one or more nodes to each blockchain network at once, it enables more complex transactions than before, resulting in shorter transactions, lower fees, and existing blocks. Breaks the limits of chain-based transactions. You can also place specific conditions in a transaction so that the transaction can occur after the conditions are met.

1 is a block diagram schematically showing the overall configuration of a blockchain-based integrated transaction system and a network environment to which such integrated transaction system is applied according to a preferred embodiment of the present invention.
2 is a flowchart illustrating a process of a blockchain based 1: multiple transaction method according to another embodiment of the present invention.
3 is a flowchart illustrating a process of a blockchain based multiple transaction method according to another embodiment of the present invention.
4 is a flowchart illustrating a process of a blockchain based fee saving transaction method according to another embodiment of the present invention.
5 is a flowchart illustrating a process of a blockchain based conditional transaction method according to another embodiment of the present invention.
6 is a flowchart illustrating a process of a blockchain based account delegation transaction method according to another embodiment of the present invention.
7 is a flowchart illustrating a process of a blockchain based account delegation transaction method according to another embodiment of the present invention.

Advantages and features of the present invention and methods for achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be embodied in various different forms, and only the embodiments are provided to make the disclosure of the present invention complete, and those of ordinary skill in the art to which the present invention belongs. It is provided to fully convey the scope of the invention to those skilled in the art, and the present invention is defined only by the scope of the claims. Like reference numerals refer to like elements throughout.

The blockchain-based integrated transaction system 100 according to the present invention, which is presented below, includes one or more downloaded files, such as executable package installation files downloaded from a suitable application via a wired or wireless communication network (eg, Internet connection line, Wi-Fi, etc.). One or more user terminals (200a, 200b, ..., 200c, collectively 200) built-in integrated transaction application that is installed and executed as (for example, mobile phones, laptops, desktops, smart devices, wearable devices, smart assist Based on a network environment in which a status, the Internet of Things, etc.) is connected to the integrated transaction system 100 through a communication network, and the integrated transaction system 100 is also connected to the blockchain network 300 through a communication network. The case is proposed as a preferred embodiment. At this time, the blockchain network 300 includes not only the public blockchain disclosed but also the private blockchain.

In addition, in the present specification, a "transaction requester" or "transaction representative" is a person who initiates a transaction for the first time to send a transaction object in a predetermined transaction form to a transaction subject, and a "transaction participant" is requested to participate in a transaction from the transaction requester. Participants in transactions initiated by the transaction requester, and "transaction target", refer to those who receive the transaction object in the form of a predetermined transaction from the transaction requestor or the transaction participant.

In the present specification, the term “1: 1 transaction” refers to one transaction requestor and one transaction subject, “1: multiple transactions” means one transaction requestor or multiple transaction targets, and “multi transaction” refers to a transaction. A transaction when there is more than one transaction participant and multiple transaction targets other than the representative. In addition, the term "conditional transaction" in this specification means a transaction that adds a condition to the transaction so that the transaction can be finally executed only when the condition is satisfied, and "account delegation (commission) transaction" in the delegated account Delegation means a transaction that enables a person or a third party to execute a transaction under a delegation (commission) condition. Hereinafter, a blockchain-based integrated transaction system of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram schematically showing the overall configuration of a blockchain-based integrated transaction system 100 and a network environment to which such integrated transaction system 100 is applied according to a preferred embodiment of the present invention.

As shown in FIG. 1, the blockchain-based integrated transaction system 100 according to an exemplary embodiment of the present invention may include a communication interface unit 110, a node generator 120, a transaction generator 130, and a database unit ( 140).

The communication interface 110 may include the user terminal 200 (for example, by authenticating a user by receiving the user's authentication key without storing the user's authentication key in the database 140) or the blockchain network 300. ) Is communicatively connected through a wired / wireless communication network and receives data about a transaction to be generated through the integrated transaction application in the user terminal 200 from the user terminal 200 to process the received data or to process the received data. It performs a function of transmitting data to the user terminal 200 or a function of transmitting / receiving data to / from the blockchain network 300.

In this case, the user terminal 200 selects a transaction form (for example, 1: 1 transaction, 1: multiple transaction, multiple transaction, account delegation transaction, etc.) to the user, and selects a transaction option (fee reduction, conditional transaction, transaction participant). Presents a window on the user interface (UI) to select a non-participation, non-authentication, or exclusion of participant in case of insufficient funds for outgoing account transaction), and to select and enter the transaction form, transaction option, and corresponding transaction contents from the user. The electronic device which can receive the data and transmit it to the integrated transaction system 100 of the present invention is collectively represented. Here, the transaction content includes transaction address including the address of the transaction target or participant (specific addressable text such as wallet address, account, recipient ID), transaction type (electronic money, cryptocurrency, virtual currency, membership point, donation, donation service, etc.). Type of object), transaction amount (n coins for cryptocurrencies, n points for membership points, n hours for service activities, etc.), and other content depending on the transaction type and transaction options selected (e.g., reduced commissions) The fees you want to save when you choose a type, a conditional contract when you select a conditional transaction, a waiting time when a transaction participant does not have enough money, or a transaction participant does not participate in a transaction, and a delegation condition when you select an account delegation transaction. It may include.

In addition, the communication interface unit 110 confirms the identity of the transaction requestor (and in the case of multiple transactions, a participant who will participate in the transaction requested by the transaction requester) through the requestor's authentication key, and then the transaction requestor (and the multiple transaction). In this case, an additional transaction participant (specifically, the terminal 200) is connected to the integrated transaction system 100, and the transaction contents determined according to the transaction generation process to be described later with reference to FIGS. 2 to 7 are signed through a signature key. The received and generated transaction is transmitted to the blockchain network 300 so that the blockchain network 300 can proceed with the transaction accordingly.

At this time, the authentication key is used to verify the identity, preferably a private key, and the signing key is used to clarify the responsibility by indicating the identity of the actor and confirming the contents of the transaction according to the transaction creation process. As may be preferably stored in the database (140). Also preferably, the authentication key and the signing key may be different from each other.

The node generator 120 generates a new node M that can be connected to the blockchain network 300 in order to register the transaction contents in the blockchain network 300.

The transaction generator 130 may generate a transaction in which several transactions are integrated into the node M generated by the node generator 120 based on the transaction contents determined according to the transaction generation process.

The database unit 140 stores the transaction contents, the signing key, and the like, and preferably deletes the stored transaction contents immediately upon completion of the transaction.

Then, the blockchain-based integrated transaction method of the present invention according to various transaction forms using the integrated transaction system configured as described above will be described.

First, when a 1: 1 transaction is simply selected from the transaction requester without any other option on the user terminal 200 in which the user UI is presented according to an embodiment of the present invention, the integrated transaction system 100 of the present invention may communicate with the communication interface 110. By directly connecting the user terminal 200 to the blockchain network 300 to enable the transaction to proceed.

4 is a flowchart illustrating a process of a blockchain based fee saving 1: 1 transaction method according to another embodiment of the present invention. Although FIG. 4 illustrates a fee-saving 1: 1 transaction as an example for convenience of description, those skilled in the art will appreciate that such fee-saving option is described in FIG. It will be appreciated that this may be done in combination with multiple transactions described with respect to, conditional transactions described with respect to FIG. 5, and account delegation / commission transactions described with respect to FIGS. 6 and 7.

2 is a flowchart illustrating a process of a blockchain based 1: multiple transaction method according to another embodiment of the present invention.

Referring to FIG. 2, when a 1: multiple transaction is selected from a transaction requester on a user terminal 200 in which a user UI is presented (S200), the integrated transaction system 100 of the present invention may have a user UI via a communication interface 110. On the presented user terminal 200, the transaction contents are input from the transaction requester from the transaction requester, and the corresponding transaction contents are stored in the database unit 140 (S202). In addition, the communication interface unit 110 connects the transaction requester to the integrated transaction system 100 by authenticating the identity of the transaction requester with the authentication requester's authentication key (S204), and blocks the transaction contents through the node generation unit 120. In order to register with the chain network 300, a new node M that can be connected to the blockchain network 300 is generated (S206), and a transaction is generated to the node M based on the transaction contents through the transaction generation unit 130. To generate (S208).

Then, it is checked through the communication interface 110 whether there is a transaction amount to be remitted to a plurality of transaction targets in the account of the transaction requester (S210). If it is determined that there is a transaction amount in the account according to the result of step S210, the process proceeds directly to step S216, and if it is not confirmed that there is a transaction amount in the account, the transaction requestor terminal 200 lacks a transaction amount through the communication interface unit 110. By sending a notification (S212) and requesting to check the account again from the transaction requester terminal 200 (S214) may return to step S210 to query again. In these steps, instead of sending a notification, the user may return to step S210 and check the account again after a certain time.

In step S216, the transaction signature is received from the transaction requester through the communication interface unit 210 for the contents of the transaction (S216), and the corresponding transaction generated in the node M is transmitted to the blockchain network 300. (S218).

3 is a flowchart illustrating a process of a blockchain based multiple transaction method according to another embodiment of the present invention.

When a multi-transaction is selected from the transaction representative on the user terminal 200 in which the user UI is presented with reference to FIG. 3 (S300), the integrated transaction system 100 of the present invention displays the user UI through the communication interface 110. Receive multiple transaction details such as transaction participants and subjects, transaction type, transaction amount, etc. from the transaction representative on the terminal 200 and receive transaction options (this is a fee-saving type, conditional transaction, and participant exclusion function as described above). In this embodiment, the option is a participant exclusion function, i.e., whether or not participant exclusion is possible) is input, and the corresponding content is stored in the database unit 140 (S302). Then, the communication interface unit 110 connects the transaction representative to the integrated transaction system 100 by authenticating the identity of the transaction representative with the authentication key of the transaction representative (S304).

In addition, the communication interface 110 transmits a notification message informing that the transaction participation is requested to the terminals 200 of each transaction participant (S306), and authenticates the transaction by all transaction participants within a specified time. Check whether the key has been transmitted (S308). If the authentication key is not transmitted from all the transaction participants within the time specified in step S308, it is determined whether or not the participant exclusion is possible according to the option input in step S302 (S310). The transaction is immediately terminated while being deleted from the database unit 140 (NO in S310). If it is possible to exclude the participant, the process proceeds to step S314 by excluding the transaction participant with no response (S312).

When the authentication key is transmitted from the transaction participant within the time specified in step S308, the transaction interface unit 110 authenticates the identity of each transaction participant with the authentication key of each transaction participant, thereby integrating each transaction participant into the integrated transaction system 100. (S314). Through this, the participant can access the integrated transaction system 100 as the participant's terminal 200 and read the transaction contents requested by the transaction requester.

However, in step S316, whether or not the identity of all transaction participants is verified (S316), if there is a participant whose identity is not verified (NO in S316), it is also checked whether or not participant exclusion is possible according to the transaction option entered in step S302. At this time, if the exclusion of the participant is not possible (No in S318), the transaction is immediately terminated while deleting the contents of the corresponding multiple transactions from the database unit 140, and if the exclusion of the participant is possible (Yes of S318), the identity is not confirmed. The process proceeds to step S322 without the transaction participant (S320).

In step S322 to generate a new node (M) that can be connected to the blockchain network 300 in order to register the transaction content to the blockchain network 300 through the node generation unit 120 (S322), the transaction generation unit The transaction is generated at the node M based on the transaction content through the operation 130 (S324).

Then, it is checked through the communication interface 110 whether there is a transaction amount to be remitted to the respective transaction targets in each account of all transaction requesters and participants (S326). If it is determined that there is a transaction amount in all transaction requester and participant accounts according to the result of step S326, the process proceeds directly to step S336, and if there is a transaction requester or participant who is not confirmed that there is a transaction amount in the account, the communication interface unit 110. Through the transaction requestor or participant terminal 200 through the transaction amount shortage notification (S328) through the request to check the account again from the transaction requester or participant terminal (200) (S330) to go back to step S326 to check the account again can do. In such steps, instead of sending a notification, the user may return to step S3226 after the designated time and check the account again. However, if there is a transaction requestor or a participant who does not confirm that there is a transaction amount in the account even after the designated waiting time, it is determined whether the participant exclusion is possible according to the option (S332). In step 140), the transaction is immediately terminated (No in S332). If the participant can be excluded, the corresponding transaction requester or participant is excluded from the node M (S334), and the flow proceeds to step S336.

In step S336 receives the signature by the signing key for the transaction content from the transaction requester through the communication interface unit (210) (S338) transmits the corresponding transaction generated in the node (M) to the blockchain network (300).

As described above, according to the present invention, the amount of information that can be sent to the extended ledger and the window of the receiver and the sender can be increased to enable the integrated transmission and reception of more information than before, and each time a transaction occurs in the existing blockchain. By integrating multiple transactions into a single fee that has been charged and paid multiple times, you can save money in a transaction by paying only once.

For example, if A uses the Ethereum blockchain to send 10 bitcoins to B through multiple transactions, a fee must be paid in Ethereum coins. However, if A does not have an Ethereum coin, A may pay B or a third party for the Ethereum fee and A may pay the B or a third party for it. Thus, through the present invention, it is possible to trade between different types of blockchain without going through an exchange.

As described above, in the case of the private blockchain through the present invention, there may be no fee incurred by the blockchain. However, it is also possible to solve heterogeneous cryptocurrency transactions through multiple transactions such as:

In the transaction between A and B, in addition to A paying 10TPC to B and B requesting commission payment for 3XEM's service, A may not have the cryptocurrency XEM, and B often experiences this situation. Can be. In this case, B designates a third party (for example, it can be an exchange) in the transaction with A, creates a conditional multiple transaction, automatically exchanges the currency of A through the third party, and then transfers the commission to A. You can add conditions to get along with the amount of transactions you have to pay.

In another example, if C purchases an item at D's store, purchases with Ethereum, and D wants to pay C a single coin issued at the store, and furthermore, if C wants to send the point to E, the transaction The requester C inputs the transaction contents on the user terminal 200 where the user UI is presented, and when the transaction participant D signs the public key for signature and sends it to the integrated transaction system 100, The transaction generation unit 130 integrates the contents of the transaction into one multi-transaction and transmits it to the blockchain network 300.

Another example is that when F, G, and H are going to volunteer at a volunteer service called I and receive 2 hours of service coins, the service coin is designated as rice sold at K store. You can add a condition to grant to. In this case, the transaction representative I may generate the next transaction through the integrated transaction system 100 of the present invention and allow all transaction participants F, G, and H to sign it. The transaction representative (I) first gives 2 hours of service coins to each of F, G, and H as transaction targets, and each of F, G, and H can donate the corresponding service coin to K store as a transaction participant. In this case, a condition may be added so that rice as a donated service coin is given to the transaction target person J so that the transaction target person K can finally receive the service coin if the corresponding condition is satisfied. In this case, even if there are no two hours of service coins in the F, G, and H accounts, they will be given to I. Therefore, if I holds six hours of service coins, it is possible to proceed with the corresponding multiple transactions.

Next, referring to FIG. 5 for a more general process of a conditional transaction in which a condition is added to a transaction as in the above example, FIG. 5 is a conditional part in a blockchain based 1: 1 transaction according to another embodiment of the present invention. A flowchart showing the process of a transaction method. Although FIG. 5 illustrates a conditional transaction in a 1: 1 transaction as an example for convenience of description, those skilled in the art will appreciate that such a conditional transaction method is described in FIG. It will be appreciated that this may be done in combination with the multiple transactions described above, the fee-saving transactions described with respect to FIG. 4, and the account delegation / commission transactions described with respect to FIGS. 6 and 7.

When the conditional transaction is selected as a transaction type, for example, as a transaction type from the transaction requester on the user terminal 200 in which the user UI is presented with reference to FIG. 5 (S500), the integrated transaction system of the present invention is Through the communication interface 110 receives the conditional transaction details, such as the subject, the transaction type, the transaction amount, the conditional contract statement from the transaction requester to store in the database unit 140 (S502) in step S502 the communication interface unit In the conditional contract 110, the simple conditions such as time can be easily set through the user UI presented on the terminal 200 of the transaction requesters, but other conditions are referred to the information attached to the UI. Different conditions can be added or changed directly by the transaction requester in various programming languages. It may be created. It is also possible for a transaction requester writing a conditional contract to make the meaning of this transaction less in the conditional contract head so that all transaction requesters know the meaning of this transaction.

In addition, the communication interface 110 connects to the integrated transaction system 100 by authenticating the identity of the transaction requestor with the authentication key of the transaction requester (S504).

In order to register the transaction content input through the node generator 120 to the blockchain network 300, a new node M that can be connected to the blockchain network 300 is generated (S506). In operation S502, a transaction is generated in the node M based on the transaction contents stored in the database in operation S502 (S508).

Next, the transaction generation unit 130 confirms whether the condition received through the communication interface module 110 is achieved (S510). If it is confirmed that the condition is achieved according to the result of step S510 (Yes of S510), the communication interface Receive a signature by the key for the signature on the transaction content from the transaction requester through the unit 210 (S512) and transmits the corresponding transaction generated in the node (M) to the blockchain network 300 (S514).

6 is a flowchart illustrating a process of a blockchain-based account delegation transaction method according to another embodiment of the present invention.

When an account delegation transaction is selected from a transaction requester (hereinafter, the delegator) on the user terminal 200 in which the user UI is presented with reference to FIG. Delegation of the account through the communication interface 110, the address of the recipient to be delegated from the delegator so that the transaction can be carried out to the recipient in the account delegated according to the delegation conditions, the type of delegation transaction amount, the amount of delegation transaction The contents of the delegation transaction including various delegation conditions such as the amount of money used, the number of delegation transactions, the delegation transaction period, etc. may be input and encrypted with the delegator's key (preferably, a private key for authentication) to be stored in the database unit 140. (S602). In this case, the communication interface 110 may easily set various delegation conditions through the user UI presented on the terminal 200 of the delegate, but other conditions may be set by referring to the information attached to the UI. You can also add or change delegates directly in various programming languages.

After the contents of the delegation transaction is input in step S602, the communication interface 110 authenticates the identity of the transaction delegator with the authentication key of the delegator and connects the transaction delegator to the integrated transaction system 100, while the delegator inputs the delegation. It is checked whether or not the delegation transaction proceeds to the transaction content (S604).

In addition, the communication interface 110 transmits a notification message indicating that the account delegation transaction has been requested to the terminal 200 of the designated person in step S602 (S606), and the authentication key is received from the recipient through the communication interface 110. When the transmission is performed (YES in S608), the communication interface unit 110 connects the recipient to the integrated transaction system 100 by authenticating the identity of the recipient with the key for authentication of the recipient, and the recipient connects to the terminal 200 of the recipient. By accessing the (100) to enable the delegator to view the contents of the delegation transaction requested (S610). However, if the authentication key is not transmitted from the recipient (No in S608) or the identity of the recipient is not authenticated (No in S610), the transaction is immediately terminated while deleting the corresponding account delegation transaction content in the database unit 140.

After the commissioner views the contents of the delegation transaction and transmits the signature key of the commissioner to agree to delegation (YES in S612), the node generator 120 registers the transaction contents with the blockchain network 300 by the node generator 120. A new node M that may be connected to the network 300 may be generated and a delegation transaction amount may be transferred from the delegator to the address of the node M (S614).

Then, through the communication interface 210, the recipient receives the transaction details such as the transaction type and the transaction amount of the transaction (hereinafter referred to as a fulfillment transaction) that the recipient is trying to fulfill, and receives the signature key of the recipient to confirm it. Checks the contents of the fulfillment transaction input by the user and stores it in the database 140 (S616). At this time, the commissioner may execute the transaction within the scope of delegation entered by the delegate. However, the commissioner can extend the transaction within the scope of the delegation terms entered by the delegate, and proceed with the transaction by selecting one of the following types: multiple transaction, multiple transaction, fee saving, and conditional transaction.

The transaction generation unit 130 then decrypts the transaction contents encrypted with the delegator's key (preferably, the public key for authentication) so that the fulfillment transaction contents of the recipient entered in step S612 undermine the delegation conditions entered in step S602. Check whether or not (S614). If it is determined that the fulfillment transaction content of the recipient is within the delegation condition of the delegator according to the result of the step S614 (YES in S614), the transaction generation unit 130 generates a transaction on the node M based on the contents of the fulfillment transaction of the commissioner. In operation S616, the generated transaction is transmitted to the blockchain network 300 in operation S618.

However, step S616 to step S618 is performed according to the transaction type selected by the person in step S612 1: if multiple transactions are selected, step S202 to step S218 of Fig. 2, if multiple transactions are selected step S302 to step of Fig. 3 In step S338, if a fee-saving transaction is selected, step S402 to step S428 of FIG. In addition, the delegator may select from the first 1: multi-account delegation transaction, multi-account delegation transaction, fee-saving account delegation transaction, in which case the steps of Figs. .

Finally, from the account commissioning transaction requester (hereinafter referred to as “third party or commissionee”) on the user terminal 200 in which the user UI is presented with reference to FIG. 7, which shows a process of a transaction method in which a third party asks the delegate to designate itself as the commissioner. When the account commission transaction is selected (S600b), through the communication interface 110, a commission transaction that includes a variety of commission conditions such as their address as a recipient, the address of the delegate as a sender, the type of commission transaction, the amount of commission transaction amount from the third party The content can be received and stored in the database unit 140 (S602b). In this case, the communication interface 110 may easily set various assignment conditions through the user UI presented on the terminal 200 of the delegate, but other conditions may be set by referring to the information attached to the UI. You can also add or change delegates directly in various programming languages.

After the content of the commitment transaction is input in step S602b, the communication interface 110 authenticates the identity of the third party with the authentication key of the third party and connects the third party to the integrated transaction system 100, while the third party inputs it. In step S604b, it is possible to check whether or not the transaction proceeds to the contents of one commission transaction.

In addition, the communication interface 110 transmits a notification message indicating that the account transfer transaction is requested to the terminal 200 of the delegated delegate in step S602 (S606b), and the authentication key is transmitted from the delegate through the communication interface 110. When transmitted (YES in S608b), the communication interface unit 110 connects the delegator to the integrated transaction system 100 by authenticating the delegator's identity with the key for authentication of the delegator, and the delegator connects the integrated transaction system to the terminal 200 of the delegator. In operation S610b, the server 100 accesses the commission transaction requested by the third party by accessing the server 100 (S610b). However, if the authentication key is not transmitted from the delegator (NO in S608b) or the identity of the delegator is not authenticated (NO in S610b), the transaction is immediately terminated while deleting the account taking transaction contents in the database unit 140.

If the delegator views the contents of the commitment transaction and then transfers the signature key of the delegate to signify that he or she agrees to the contents of the commitment transaction (that is, depth and terms of acceptance), the contents of the commitment transaction are transferred to the delegate's key (preferably the private key for authentication). After encrypting the data and storing it in the database 140, the process may proceed directly to step S620b. However, the delegate agrees to the appointment, but inputs the contents of the delegation condition through the communication interface 210. By receiving the transmission, the delegator checks the commitment condition modifications entered by the delegator and stores it in the database 140 (S614b). In this case, the delegator may expand the scope of the commission terms entered by the third party to generate a transaction by selecting a type of 1: multiple transactions, multiple transactions, fee savings, and conditional transactions.

If the delegation condition correction content is input from the delegator in step S614b, the communication interface 110 transmits a notification message indicating that the contents of the commitment condition have been modified by the third party terminal 200 (S616b), and the modified entrustment condition from the delegate. When the signing key of the recipient is transmitted as a response to approve the contents (YES in S618b), the node generator 120 may connect the transaction contents to the blockchain network 300 to register the transaction contents with the blockchain network 300. The new node M may be generated, and the modified terms of trust condition may be encrypted with the key of the officer (preferably, a private key for authentication) and stored in the database 140 (S620b). When the node M is created, the node M may be remitted the delegating transaction amount from the delegator to the node's address.

However, if the delegator does not agree to take over the account to the third party (No in S612b) or if the signing key is not sent from the delegate within the time (No in S618b), the transaction is deleted while the contents of the account delegation transaction are deleted from the database unit 140. Exits immediately.

Then, through the communication interface 210, the recipient receives the transaction details such as the transaction type and the transaction amount of the transaction (hereinafter referred to as a fulfillment transaction) that the recipient is trying to fulfill, and receives the signature key of the recipient to confirm it. Checks the contents of the fulfillment transaction input by the user and stores it in the database 140 (S622b). At this time, the commissioner may execute the transaction within the scope of delegation entered by the delegate. However, the commissioner can extend the transaction within the scope of the delegation terms entered by the delegate, and proceed with the transaction by selecting one of the following types: multiple transaction, multiple transaction, fee saving, and conditional transaction.

Thereafter, the transaction generation unit 130 checks whether the contents of the fulfillment transaction of the commissioner input in step S622b do not undermine the commitment (or delegation) condition finally determined through steps S602b to S618b (S624b). According to the result of the step S624b confirmation, if the content of the fulfillment transaction of the recipient is determined to be within the final determined acceptance (or delegation) condition range (YES in S624b), the transaction generation unit 130 is performed to the node M based on the content of the execution transaction of the recipient. Create a transaction (S626b), and transmits the generated transaction to the blockchain network 300 (S628b).

However, steps S626b to S628b may be performed in steps S202 to S218 of FIG. 2 if 1: 1 multiple transactions are selected according to the transaction type selected by the recipient in step S622b, and steps S302 to FIG. 3 if multiple transactions are selected. In step S338, if a fee-saving transaction is selected, step S402 to step S428 of FIG. In addition, the person in charge may select from the first 1: multi-account commission transaction, multi-account commission transaction, commission saving account delegation transaction, in which case the steps of Figs. As described above, the account delegation transaction method according to the preferred embodiment of the present invention may have an effect such as automatic transfer, and the commissioner pays a fee for the transaction when an unscheduled third party makes a payment in the form of a point or the like. It can be used for application examples. In another example, a corporation may allocate an amount to a certain department so that it can be applied to budget execution.

For example, the company representative K may generate a transaction through an account delegation transaction in which a condition is added, when a company wants to proceed by voting by setting a certain condition of capital of a certain company. At this time, the condition in the transaction is a certain budget enforcement order written in a language that can be included in the transaction, and is delegated to the new node (M).

This example may include the following cases. For example, some goods may be purchased from L company at 100ZEM, and some real estate may be purchased from M company at 50BTC. Transaction occurrence conditions can be voted on by multiple votes, with the signature of the company representative K and the approval of two of the directors N, O, and P, and one or more of the developers Q, R, S, T, and U. The conditional transaction can be transmitted to the blockchain network 300 when more than the minimum requirement of the number of signature keys required by the conditions set by voting is signed.

Although the present invention has been described in more detail with reference to various embodiments, the present invention is not necessarily limited to these embodiments and can be implemented in various modifications and combinations without departing from the spirit of the present invention. . In addition, various modifications may be made without departing from the spirit and scope of the present invention, such as replacement, reversal, or omission, without being limited to the configuration or order specifically described in some embodiments.

100: integrated transaction system
110: communication interface unit
120: node generator
130: transaction generation unit
140: database unit
200: user terminal
300: blockchain network

Claims (14)

An integrated transaction method that enables the integrated transaction system to enable multilateral transactions in the transfer of information based on blockchain,
Selecting and receiving a transaction form, a transaction option, and a corresponding transaction content from a transaction requester through a communication interface unit,
Generating a new node capable of connecting to the blockchain network in order to register the transaction content with the blockchain network according to the transaction form by a node generator;
Generating a transaction in the node based on the transaction content by a transaction generator; and
Transmitting the generated transaction to a blockchain network;
Wherein the transaction form is a 1: 1 transaction, a 1: multiple transaction, a multiple transaction, an account delegation transaction, or a combination thereof. In claim 1,
The option is a fee saving, conditional transaction, transaction participant exclusion function, or a combination thereof,
Wherein said transaction content comprises the address of a transaction subject, a transaction type, and a transaction amount. The method according to claim 2,
If the 1: multiple transaction is selected in the step of selecting the transaction form:
Receiving a plurality of transaction targets, a transaction type, and a transaction amount from the transaction requester through the communication interface unit;
Confirming an identity of the transaction requester through the communication interface unit;
Generating a new node by the node generator;
Generating a transaction based on the transaction contents by the transaction generation unit;
Checking whether there is a transaction amount to be remitted to a plurality of transaction targets in the account of the transaction requester through the communication interface unit; and
If it is determined that there is a transaction amount in the account, transmitting the generated transaction to the blockchain network. The method according to claim 3,
If it is determined that there is no transaction amount in the account, transmitting a lack of money notification to the terminal of the transaction requester through the communication interface unit; and
And returning to checking whether there is the transaction amount through an account reconfirmation request from the terminal of the transaction requester. The method according to claim 2,
If the multiple transaction is selected at the step of selecting the transaction form:
Receiving a plurality of transaction participants, a plurality of transaction targets, a transaction type, a transaction amount, and whether or not a participant can be excluded from the transaction requester through the communication interface unit;
Confirming an identity of the transaction requester through the communication interface unit;
Transmitting, by the communication interface unit, a notification message informing the transaction participants that the multiple transaction has been requested;
Confirming the identity of the transaction participants through the communication interface if an authentication key is transmitted from the transaction participants within a specified time;
Generating a new node by the node generator;
Generating a transaction based on the transaction contents by the transaction generation unit;
Confirming, via the communication interface, that there are transaction amounts to remit to each of the transaction subjects in respective accounts of all the transaction requestor and the transaction participant; and
And sending the generated transaction to the blockchain network if it is confirmed that there is the transaction amount in respective accounts of all the transaction requestor and the transaction participant. The method according to claim 5,
If there is the transaction requestor or the transaction participant who is not confirmed that the transaction amount is present, transmitting an insufficient amount notification to the transaction requester or transaction participant terminal through the communication interface unit;
And returning to checking whether there is the transaction amount through an account reconfirmation request from the corresponding transaction requester or the transaction participant terminal. The method according to claim 6,
The participant, depending on whether the participant can be excluded if the transaction requester or the transaction participant is not transmitted from all transaction participants within a specified time, or if the identity of all the transaction participants is not authenticated or confirmed as having the transaction amount If the exclusion is not possible, ending the transaction; if the exclusion is possible, further comprising excluding a participant whose key for authentication has not been transmitted or whose identity has not been authenticated. The method of claim 2, wherein the fee savings type is selected as the option:
By holding the transaction by the transaction generator for a predetermined time according to the saving fee input from the transaction requestor or the transaction representative, when the number of transactions is reached, a plurality of fee-saving transactions gathered for the predetermined time are collected into one transaction. Integrating with
Checking whether there is a transaction amount to be remitted to the transaction subject correspondingly in the account of all the transaction requestor or participant of the transaction integrated through the communication interface unit; and
If the account of all of the transaction requestor or participant of the integrated transaction is found to have the corresponding transaction amount correspondingly, transmitting the integrated transaction to the blockchain network. The method of claim 8, wherein when it is determined that at least one of the accounts of the transaction requestor or participants of the multiple fee-saving transactions is integrated, there is no corresponding transaction amount:
Excluding the corresponding transaction requester or participants from the generated node;
Aggregating and regenerating into one transaction other transaction-saving options waiting for the number of excluded transaction requesters or participants;
Checking that there is a transaction amount until the account of all of the transaction requestor or participant of the multiple fee-saving transactions has been identified as having a corresponding transaction amount; Repeating the regenerating step and
Transmitting the transaction contents of the multiple fee-saving transactions to the blockchain network if it is determined that there is a transaction amount corresponding to all the transaction requestor or participant accounts of the multiple fee-saving transactions. Further comprising, integrated transaction method. The method according to claim 2,
If an account delegation transaction is selected in which the delegator designates a delegator and delegates the account at the step of selecting the transaction form:
Receiving delegation transaction contents including various delegation conditions from the delegator through the communication interface unit;
Verifying the identity of the delegate through the communication interface;
Transmitting, by the communication interface unit, a notification message informing the commissioner that the account delegation transaction has been requested;
Confirming the identity of the commissioner through the communication interface unit when an authentication key is transmitted from the commissioner within a specified time;
Generating a node by the node generator;
And receiving a delegation transaction amount from the delegator to the address of the node according to the delegation condition. The method according to claim 10,
Receiving the input of the transaction content of the transaction that the commissioner is to perform from the commissioner through the communication interface,
Confirming whether the content of the fulfillment transaction input from the person in charge is within the scope of the delegation condition,
Generating a transaction in the node based on the transition transaction contents by the transaction generation unit when it is confirmed that the transition transaction contents are within a range of the delegation condition; and
Sending the transaction to the blockchain network. The method according to claim 2,
In the step of selecting the transaction form, if an account commissioning transaction is selected that requires a third party to designate itself as the commissioner:
Receiving input of a commitment transaction including various commitment conditions from the third party through the communication interface unit;
Verifying an identity of the third party via the communication interface;
Transmitting, by the communication interface unit, a notification message notifying the delegator that the account transfer transaction is requested;
Confirming an identity of the delegate through the communication interface unit when an authentication key is transmitted from the delegate;
Generating a node by the node generation unit if the delegator agrees to the commitment transaction; and
And receiving a delegating transaction amount from the delegator to an address of the node according to a delegation condition. The method according to claim 12,
Transmitting a notification message notifying the third party that the commissioning condition has been modified by the delegator when a modification to the delegation condition is input from the delegator;
And generating the node if a response is sent from the third party to approve the modification. The method according to claim 12 or 13,
Receiving, from the third party, the fulfillment transaction content of a transaction that the third party intends to fulfill through the communication interface unit;
Checking whether the fulfillment transaction content input from the third party is within a range of the delegation condition,
Generating a transaction in the node based on the transition transaction contents by the transaction generation unit when it is confirmed that the transition transaction contents are within a range of the delegation condition; and
Sending the transaction to the blockchain network.

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