WO2019123676A1 - Système et programme de gestion de monnaie virtuelle - Google Patents

Système et programme de gestion de monnaie virtuelle Download PDF

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Publication number
WO2019123676A1
WO2019123676A1 PCT/JP2018/018226 JP2018018226W WO2019123676A1 WO 2019123676 A1 WO2019123676 A1 WO 2019123676A1 JP 2018018226 W JP2018018226 W JP 2018018226W WO 2019123676 A1 WO2019123676 A1 WO 2019123676A1
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Prior art keywords
virtual currency
settlement
currency
investment
information
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PCT/JP2018/018226
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English (en)
Japanese (ja)
Inventor
梅田茂利
冨田和孝
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梅田茂利
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Priority to JP2018552080A priority Critical patent/JP6583655B1/ja
Publication of WO2019123676A1 publication Critical patent/WO2019123676A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/04—Payment circuits
    • G06Q20/06—Private payment circuits, e.g. involving electronic currency used among participants of a common payment scheme

Definitions

  • the present invention relates to a system for managing a virtual currency and a program related thereto.
  • Bitcoin uses a technique called "block chain” for implementation.
  • block chain First, in the transaction by bitcoin, the authenticity of transaction information is secured using a hash function and a public key cryptosystem.
  • Transaction information of virtual currency (hereinafter referred to as "transaction") performed using encryption technology is broadcasted to all terminals using bitcoin.
  • the transmitted transaction is verified for authenticity by a terminal called a minor (miner), and when approved, it is put into blocks and recorded in a ledger called a block chain.
  • the minor is made to perform calculation processing called mining (mining), and tampering of the transaction is prevented by adding blocks to the block chain.
  • a plurality of transactions, a hash value of a block immediately before the block at the end of the block chain, and an appropriate value with a predetermined condition (“Nonce”) And) are stored.
  • the miner searches for a Nonce that generates a hash to be used for the next block from the hash value of the block at the end of this block chain and the transaction whose authenticity is to be guaranteed.
  • a virtual currency such as bitcoin has high volatility with respect to a legal currency such as yen, dollar, and euro, so the attractiveness as an investment currency can be said to be sufficiently high for the user.
  • legal currency such as "SUICA (registered trademark)" It is considered to be unsuitable for use in small daily payments as compared to a virtual currency (so-called electronic money) that is treated equivalently to.
  • electronic money a virtual currency that can be sufficiently used as a settlement currency will be required while maintaining the attractiveness as an investment currency.
  • the present invention has been made in view of such circumstances, and it is an object of the present invention to provide a system for managing a virtual currency in which an investmentability and a settlementability coexist and a program related thereto. .
  • a virtual currency management system for handling investment virtual currency and settlement virtual currency, comprising a terminal and an information processing device, which are connected via a network, the information
  • the processing device includes an investment information processing device, a management database, and a payment information processing device, and the investment information processing device receives new investment transaction information related to an investment virtual currency from the terminal.
  • the investment transaction information is transmitted to the management database, and the management database stores balance information of the settlement virtual currency for each account, and the investment transaction information from the investment information processor Are stored in association with the account, and the information processing apparatus for payment executes a transaction using the payment virtual currency. That when, based on the investment for transaction information the management database held, characterized by an immediate settlement system is provided.
  • the management database when the management database receives a block (transaction information related to the virtual currency for investment) from the information processing device for investment, it is configured to be linked to an account and stored, and the information processing device for settlement is When a transaction using the settlement virtual currency is executed, immediate settlement is performed based on investment transaction information held by the management database.
  • a virtual currency management system for managing a specific virtual currency, comprising: a transaction processing unit; and a control unit, the transaction processing unit being connected to a network and via the network
  • the control unit is configured to be capable of transmitting order information representing the trading order of the virtual currency to the trading processing unit, and Holds x% of the total number of virtual currencies, and satisfies 10 ⁇ x ⁇ 80, and the trade processing unit and the control unit are implemented in the same local area network or in the same investment information processor
  • a system is provided, characterized in that:
  • the control unit is configured to be able to transmit the trading order of the virtual currency to the trading processing unit. Further, the control unit holds x (10 ⁇ x ⁇ 80)% of the total number of virtual currency in the market. Furthermore, the transaction processing unit and the control unit are implemented in the same local area network or the same investment information processor. With such a configuration, it is possible to stabilize the volatility to such an extent that the virtual currency can also be used as a settlement currency.
  • the present invention is a program for causing a computer connected to a network to execute a predetermined function, wherein the predetermined function is a function for managing a specific virtual currency, and a transaction processing function And a control function, the trading processing function executes trading of the virtual currency in response to a trading order in the market via the network, and the control function executes trading order of the virtual currency
  • a program is provided, wherein x% of the total number of virtual currency in the market is stored in the computer and 10 ⁇ x ⁇ 80.
  • the control function makes it possible to order to buy and sell virtual currency.
  • the control function also allows the computer to hold x (10 ⁇ x ⁇ 80)% of the total number of virtual currency in the market. Furthermore, it is characterized in that the transaction processing function and the control function can be implemented on the same computer. With such a program, it is possible to stabilize the volatility to such an extent that the virtual currency can also be used as the settlement currency.
  • the functional block diagram which shows the structure outline of the virtual money management system which concerns on embodiment of this invention.
  • the functional block diagram which shows the structure outline of a terminal.
  • the functional block diagram which shows the structure outline of the information processing apparatus for investment.
  • the functional block diagram which shows the structure outline of the information processing apparatus for payment.
  • BRIEF DESCRIPTION OF THE DRAWINGS The functional block diagram which shows the structure outline of the virtual money management system which concerns on embodiment of this invention.
  • the functional block diagram which shows the structure outline of a terminal.
  • the functional block diagram which shows the structure outline of the information processing apparatus for investment.
  • the functional block diagram which shows the structure outline of the information processing apparatus for payment.
  • the conceptual diagram which shows an example of the graphical user interface displayed on the display part of a terminal.
  • Reference diagram in the business model specification by the inventors Reference diagram in the business model specification by the inventors. Reference diagram in the business model specification by the inventors. Reference diagram in the business model specification by the inventors. Reference diagram in the business model specification by the inventors. Reference diagram in the business model specification by the inventors. Reference diagram in the business model specification by the inventors.
  • part refers to, for example, a combination of hardware resources implemented by a circuit in a broad sense and software information processing that can be specifically realized by these hardware resources.
  • these pieces of information are represented by high and low of signal values as binary bit groups composed of 0 or 1, and communication / operation is executed on a circuit in a broad sense. It can be done.
  • a circuit in a broad sense is a circuit that is realized by at least appropriately combining a circuit, circuits, a processor, a memory, and the like.
  • Application specific integrated circuits ASICs
  • programmable logic devices e.g., simple programmable logic devices (SPLDs), complex programmable logic devices (CLPDs), and fields. It includes a programmable gate array (field programmable gate array: FPGA) and the like.
  • FIG. 1 is a functional block diagram showing a configuration overview of a system 1 according to a first embodiment of the present invention.
  • the system 1 includes a terminal 2, an investment information processor 3, a payment information processor 4, and a management database 5.
  • the terminal 2, the investment information processing device 3, the payment information processing device 4, and the management database 5 are connected via the network N. Such connection may be wired or wireless.
  • the terminal 2 is, for example, a smartphone, and is preferably wirelessly connected.
  • the investment information processing device 3, the payment information processing device 4, and the management database 5 may belong to the same local area network.
  • FIG. 2 is a functional block diagram showing a configuration outline of the terminal 2.
  • the terminal 2 is an information processing apparatus operated by a user of a virtual currency (here, a person who uses at least one function of investment and payment), and for example, a smartphone may be adopted. If there are multiple users, multiple terminals 2 can be used accordingly.
  • the terminal 2 includes an arithmetic unit 21, a storage unit 22, an input unit 23, a display unit 24, and a communication unit 25. Also, these components 21 to 25 are connected inside the terminal 2 via the communication bus 2B.
  • the calculation unit 21 performs processing and control of the entire operation related to the terminal 2.
  • the calculation unit 21 is, for example, a central processing unit (CPU) (not shown).
  • the arithmetic unit 21 realizes various functions related to the system 1 by reading a predetermined program stored in the storage unit 22. For example, reading out a predetermined program stored in the storage unit 22 and displaying on the display unit 24 a screen of an input graphical user interface (GUI) related to the purchase of the investment virtual currency.
  • GUI graphical user interface
  • FIG. 1 although it describes as the single calculating part 21, in fact, it does not restrict to this and you may implement so that the several calculating part 21 may be provided for every function. It may be a combination of them.
  • the storage unit 22 stores various programs and the like to be executed by the calculation unit 21. This can be implemented, for example, as a storage device such as a solid state drive (SSD), a hard disk drive (HDD) or the like.
  • the storage unit 22 may also be implemented as a memory such as a random access memory (RAM) that stores temporarily necessary information (arguments, arrays, etc.) related to the computation of the program. Moreover, these combinations may be sufficient.
  • the input unit 23 may be, for example, one included in the terminal 2 itself, or one externally attached.
  • the input unit 23 can be implemented as a touch panel.
  • a user interface such as a switch button, a mouse, or a keyboard may be employed.
  • the user's instruction (command) is received via the input unit 23.
  • the instruction is transferred to the calculation unit 21 via the communication bus 2B, and the calculation unit 21 can execute predetermined control or calculation as needed. In this embodiment, it can be mainly used for transmission of information (described later) included in the transaction.
  • the display unit 24 may be, for example, one included in the terminal 2 itself or one externally attached.
  • the display unit 24 displays the screen of the GUI as described above.
  • a display device such as a CRT display, a liquid crystal display, an organic EL display, a plasma display, or the like depending on the terminal 2 and implement it.
  • the display device can selectively display the screen of the GUI in response to a predetermined control signal from the calculation unit 21.
  • concrete interfaces such as an input form and a radio button, may be displayed, for example. That is, it can be said that a program for causing the display unit 24 to display a screen of a desired GUI and enabling input via the input unit 23 is installed in the terminal 2.
  • the communication unit 25 is a set of a plurality of communication means including wired LAN network communication, Bluetooth communication, wireless LAN network communication and the like, and is preferably implemented to include an appropriate communication standard according to the terminal 2.
  • the communication unit 25 is connected to the network N, and can transmit and receive transaction information handled by the system 1 between the investment information processor 3 and the payment information processor 4.
  • FIG. 3 is a functional block diagram showing an outline of the configuration of the investment information processing apparatus 3.
  • the investment information processing device 3 executes various information processing related to a transaction on the investment virtual currency, and for example, a plurality of computers can be adopted.
  • the virtual currency for investment here is assumed to be bitcoin or the like which fluctuates with respect to legal currency.
  • the investment information processing device 3 includes an arithmetic unit 31, a storage unit 32, and a communication unit 35. Further, these components 31, 32, 35 are connected via the communication bus 3B inside the investment information processing device 3.
  • the calculation unit 31 performs processing and control of the entire operation related to the investment information processing device 3.
  • the arithmetic unit 31 is, for example, a central processing unit (not shown).
  • the calculation unit 31 further includes a wallet unit 311 and a mining unit 312 here.
  • ⁇ Wallet unit 311 When the wallet unit 311 receives, for example, “purchase / transfer of virtual currency for investment” by the user of the terminal 2 through the communication unit 35, the wallet unit 311 creates transaction information (transaction) regarding this transaction. Then, the distributed transaction is approved by mining (described later) by a third party user called a minor, and the transaction is established by being connected to the block chain. Such a transaction shall include necessary information such as the user's account, transaction date, purchase / remittance amount, old hash, new hash, Nonce and so on. Of course not.
  • the mining unit 312 verifies the authenticity of transactions transmitted from other minors or users, and if approved by the other minors, collects them in the excavated blocks and records them in the block chain.
  • the mining unit 312 performs a calculation process called mining. Mining is a process using a hash function and a public key cryptosystem. More specifically, mining performs a brute force search for a Nonce that generates a hash to be used for the next block from the hash value of the block at the end of the block chain and the transaction for which the authenticity is to be guaranteed. It is a process. If the mining unit 312 finds a correct Nonce that matches the new block, it creates a block and joins the created block to the end of the block chain. In other words, the minor who found the correct Nonce can create a block and obtain the right to connect the created block in the block chain.
  • the mining difficulty is adjustable, for example, once every five minutes, preferably to the extent that new blocks are created.
  • the storage unit 32 stores various programs and the like to be executed by the calculation unit 31. This may be implemented, for example, as a storage device such as a solid state drive, a hard disk drive, etc.
  • the storage unit 32 can also be implemented as a memory such as a random access memory that stores temporarily necessary information (arguments, arrays, etc.) related to the operation of the program. Moreover, these combinations may be sufficient.
  • the communication unit 35 is a communication interface that transmits and receives various information to and from the terminal 2 and the management database 5 connected via the network N.
  • the communication unit 35 broadcasts the transaction to other minors and users who use the same service under the control of the operation unit 31.
  • a database for managing a block (strictly, a summary of blocks) including the contents of a new transaction (an example of “investment transaction information” in the claims) added to a block chain is used as a management database. Note that sending to 5. Such details are described in Section 1.2.
  • FIG. 4 is a functional block diagram showing a configuration outline of the payment information processing device 4.
  • the payment information processing device 4 executes various information processing related to a transaction on the payment virtual currency, and for example, a plurality of computers can be adopted. It should be noted that the settlement virtual currency referred to here is a pegged equivalent to a legal currency.
  • the payment information processing device 4 includes an arithmetic unit 41, a storage unit 42, and a communication unit 45. Further, these components 41, 42, 45 are connected via the communication bus 4B inside the information processing apparatus 4 for payment.
  • the calculation unit 41 performs processing and control of the entire operation related to the payment information processing device 4.
  • the arithmetic unit 41 is, for example, a central processing unit (not shown).
  • the calculation unit 41 further includes a wallet unit 411 and a settlement unit 412 here.
  • ⁇ Wallet part 411> When the wallet unit 411 receives, for example, “Settlement with virtual currency for settlement” by the user of the terminal 2 via the communication unit 45, the wallet unit 411 creates transaction information (transaction) regarding this transaction.
  • the transaction of the settlement virtual currency is not limited to the terminal 2 as described above, and another terminal may be used, or an IC card relating to the settlement virtual currency may be used.
  • Such a transaction includes the user's account, transaction date, settlement amount, and the like. Of course not.
  • the settlement unit 412 refers to the management database 5 via the communication unit 45.
  • the management database 5 manages an account including balance information of the settlement virtual currency and the like, and as described above, the block added to the block chain in the transaction of the investment virtual currency (investment transaction Information is also held. That is, the settlement unit 412 refers to the block in the management database 5 and the settlement is realized using the rate information of the investment virtual currency-settlement investment currency held therein.
  • the storage unit 42 stores various programs and the like to be executed by the calculation unit 41. This may be implemented, for example, as a storage device such as a solid state drive, a hard disk drive, etc.
  • the storage unit 42 can also be implemented as a memory such as a random access memory that stores temporarily necessary information (arguments, arrays, etc.) related to the computation of the program. Moreover, these combinations may be sufficient.
  • the communication unit 45 is a communication interface that transmits and receives various information to and from the terminal 2 and the management database 5 connected via the network N.
  • the management database 5 is a P2P distributed database in which investment transaction information and settlement transaction information are accumulated for each account.
  • Apache Cassandra may be employed.
  • each time a block chain is added through the investment information processing apparatus 3 a summary of newly-blocked and stored transactions is accumulated in the management database. It is assumed that about 1000 to 10000 transaction information is stored in one block, and the management database 5 associates and stores each single transaction information for each account.
  • Paxos algorithm which is a distributed agreement algorithm, is used to update data. By adopting such a configuration, it is possible to immediately refer to necessary transaction information in the transaction of the payment virtual currency via the above-described payment information processing apparatus 4.
  • Step S1-1-1 The user prepares the terminal 2 and inputs the information necessary for the investment transaction using the input unit 23 while looking at the GUI screen displayed on the display unit 24. Specifically, the virtual currency for investment to be purchased and the amount thereof.
  • the input information is transmitted to the investment information processing device 3 via the network N (following step S1-2).
  • Step S1-2 In the investment information processing device 3, the wallet unit 311 generates a transaction based on the information input in step S1-1. In other words, generate a block hash and generate the first block, encrypt the hash and timestamp of the latest block according to the minor request starting from the block, bundled transaction information obtained from the Merkle tree and the memory pool, and Are provided to the minor via network N (following step S1-3).
  • Step S1-3 The minor calculates the Nonce from the provided data and generates a new block hash using a predetermined program (mining application) installed in its own terminal 2 (for example, a smartphone limited to a specific carrier) (step Continue to S1-4).
  • a predetermined program for example, a smartphone limited to a specific carrier
  • Step S1-4 Adopt the block hash with the fastest mining time stamp from among the block hashes returned from multiple minors and append it to a new block.
  • the block is stored in the management database 5 and the transaction stored therein is linked with the account and stored as a summary. From the point of view of proof of work, it is preferable that it takes about 5 minutes from the occurrence of a transaction to its completion. [Finish]
  • Step S2-1 The settlement unit 412 executes an immediate exchange using the virtual money for investment-rate information of the investment currency for settlement as needed based on the investment summary information in the management database 5, and executes the virtual currency for investment (coins for investment) Convert to a payment virtual currency.
  • the settlement virtual currency is held by the wallet unit 411.
  • Step S2-2 The user executes payment processing in a store or the like using the terminal 2 or an IC card or the like related to the payment virtual currency.
  • the information (account, amount of money) relating to the settlement is transmitted to the settlement information processing device 4 via the network N (following step S2-3).
  • Step S2-3) In the payment information processing device 4, the wallet unit 411 generates a transaction based on the information input in step S2-2 (following step S2-4).
  • Step S2-4 The transaction (settlement transaction) is added to the management database 5. In other words, balance information and the like of the settlement virtual currency held in the management database 5 is updated. [Finish]
  • a block (strictly, a summary of the block) including the content of a new transaction (an example of “investment transaction information” in the claims) added to the block chain to the management database 5 Configured to send.
  • investment transaction information may be transmitted to the management database 5 directly or after predetermined encryption without using a block chain.
  • FIG. 1 is a functional block diagram showing a configuration outline of a system 1 according to a second embodiment of the present invention.
  • the system 1 includes a terminal 2, an investment information processor 3, a payment information processor 4, and a management database 5.
  • the terminal 2 an example of a “user terminal” in the claims
  • the investment information processing device 3, the payment information processing device 4, and the management database 5 are Internet IN (claim request Connected via the “network” in the range of Such connection may be wired or wireless.
  • the terminal 2 is, for example, a smartphone, and is preferably wirelessly connected.
  • the investment information processing device 3, the payment information processing device 4, and the management database 5 may belong to the same local area network.
  • FIG. 2 is a functional block diagram showing a configuration outline of the terminal 2.
  • the terminal 2 is an information processing apparatus operated by a user of a virtual currency (here, a person who uses at least one function of investment and payment), and for example, a smartphone may be adopted. If there are multiple users, multiple terminals 2 can be used accordingly.
  • the terminal 2 includes an arithmetic unit 21, a storage unit 22, an input unit 23, a display unit 24, and a communication unit 25. Also, these components 21 to 25 are connected inside the terminal 2 via the communication bus 2B.
  • the calculation unit 21 performs processing and control of the entire operation related to the terminal 2.
  • the calculation unit 21 is, for example, a central processing unit (CPU) (not shown).
  • Arithmetic unit 21 realizes various functions related to terminal 2 by reading a predetermined program stored in storage unit 22. For example, reading out a predetermined program stored in the storage unit 22 and displaying on the display unit 24 a screen of an input graphical user interface (GUI) related to the purchase of the investment virtual currency.
  • GUI graphical user interface
  • FIG. 1 although it describes as the single calculating part 21, in fact, it does not restrict to this and you may implement so that the several calculating part 21 may be provided for every function. It may be a combination of them.
  • the storage unit 22 stores various programs and the like to be executed by the calculation unit 21. This can be implemented, for example, as a storage device such as a solid state drive (SSD), a hard disk drive (HDD) or the like.
  • the storage unit 22 may also be implemented as a memory such as a random access memory (RAM) that stores temporarily necessary information (arguments, arrays, etc.) related to the computation of the program. Moreover, these combinations may be sufficient.
  • the input unit 23 may be, for example, one included in the terminal 2 itself, or one externally attached.
  • the input unit 23 can be implemented as a touch panel.
  • a user interface such as a switch button, a mouse, or a keyboard may be employed.
  • the user's instruction (command) is received via the input unit 23.
  • the instruction is transferred to the calculation unit 21 via the communication bus 2B, and the calculation unit 21 can execute predetermined control or calculation as needed. In this embodiment, it can be mainly used for transmission of information (described later) included in the transaction.
  • the display unit 24 may be, for example, one included in the terminal 2 itself or one externally attached.
  • the display unit 24 displays the screen of the GUI as described above.
  • a display device such as a CRT display, a liquid crystal display, an organic EL display, a plasma display, or the like depending on the terminal 2 and implement it.
  • the display device can selectively display the screen of the GUI in response to a predetermined control signal from the calculation unit 21.
  • concrete interfaces such as an input form and a radio button, may be displayed, for example. That is, it can be said that a program for realizing a function of displaying a screen of a desired GUI on the display unit 24 and enabling input via the input unit 23 is installed in the terminal 2. Details of the program will be described in Section 2.2.
  • the communication unit 25 is a set of a plurality of communication means including wired LAN network communication, Bluetooth communication, wireless LAN network communication and the like, and is preferably implemented to include an appropriate communication standard according to the terminal 2.
  • the communication unit 25 is connected to the Internet IN, and can transmit and receive transaction information handled by the terminal 2 between the investment information processor 3 and the payment information processor 4.
  • FIG. 3 is a functional block diagram showing an outline of the configuration of the investment information processing apparatus 3.
  • the investment information processing device 3 executes various information processing related to a transaction on the investment virtual currency, and for example, a plurality of computers can be adopted.
  • the virtual currency for investment referred to here is one that fluctuates with respect to the legal currency, such as bitcoin, and is assumed to be a specific virtual currency.
  • the investment information processing device 3 includes a transaction processing device 3a and a market adjustment device 3b.
  • the transaction processing device 3a includes an arithmetic unit 31a, a storage unit 32a, and a communication unit 35a. Further, these components 31a, 32a, 35a are connected via the communication bus 3Ba inside the transaction processing apparatus 3a.
  • the calculation unit 31a performs processing and control of the entire operation related to the transaction processing apparatus 3a.
  • the arithmetic unit 31a is, for example, a central processing unit (not shown).
  • the calculation unit 31a further includes a wallet unit 311a (an example of a "trade processing unit” in the claims) and a mining unit 312a.
  • ⁇ Wallet unit 311a When the wallet unit 311a receives, as order information, “sales order of virtual currency for investment” by the user of the terminal 2 through the communication unit 35a, the wallet unit 311a creates transaction information (transaction) regarding this transaction.
  • transaction information include not only orders relating to transactions between a legal currency such as yen and dollar, and the virtual currency for investment, but also conversion to a virtual currency for settlement, which will be described later.
  • the order information may include that transmitted by the market adjustment device 3b described later.
  • the distributed transaction is approved by mining (described later) by a third party user called a minor, and the transaction is established by being connected to the block chain.
  • Such a transaction shall include necessary information such as the user's account, transaction date, purchase / remittance amount, old hash, new hash, Nonce and so on. Of course not.
  • the mining unit 312a verifies the authenticity of transactions transmitted from other minors or users, and if approved by the other minors, collects them in the excavated blocks and records them in the block chain.
  • the mining unit 312a performs a calculation process called mining. Mining is a process using a hash function and a public key cryptosystem. More specifically, mining performs a brute force search for a Nonce that generates a hash to be used for the next block from the hash value of the block at the end of the block chain and the transaction for which the authenticity is to be guaranteed. It is a process.
  • the mining unit 312a finds a correct Nonce that matches the new block, it creates a block and joins the created block to the end of the block chain. In other words, the minor who found the correct Nonce can create a block and obtain the right to connect the created block in the block chain.
  • the mining difficulty is adjustable, for example, once every five minutes, preferably to the extent that new blocks are created.
  • the storage unit 32a stores various programs and the like to be executed by the calculation unit 31a. This may be implemented, for example, as a storage device such as a solid state drive, a hard disk drive, etc.
  • the storage unit 32a may also be implemented as a memory such as a random access memory that stores temporarily necessary information (arguments, arrays, and the like) related to the computation of a program. Moreover, these combinations may be sufficient.
  • the communication unit 35a is a communication interface that transmits and receives various information to and from the terminal 2 and the management database 5 connected via the Internet IN.
  • the communication unit 35a broadcasts the transaction to other minors and users who use the same service under the control of the operation unit 31a. That is, a block (strictly speaking, a summary of blocks) including the content of the new transaction added to the block chain is sent to the management database 5.
  • the summary of blocks transmitted to the management database 5 includes the ones related to trading by the calculation unit 311 b of the market adjustment device 3 b.
  • the market adjustment device 3b includes an arithmetic unit 31b, a storage unit 32b, and a communication unit 35b. Also, these components 31b, 32b, 35b are connected via the communication bus 3Bb inside the market adjustment device 3b.
  • the calculation unit 31 b performs processing and control of the entire operation related to the market adjustment device 3 b.
  • the arithmetic unit 31 b is, for example, a central processing unit (not shown).
  • the calculation unit 31 b further includes a calculation unit 311 b and a UI information generation unit 312 b.
  • the arithmetic unit 311 b reads a predetermined program stored in the storage unit 32 b, and performs monitoring of the virtual currency market and trading order for adjustment of the market. In this program, a plurality of conditional sentences relating to the movement of the market are written, and an algorithm for functioning as artificial intelligence is implemented. Based on the conditions, the computing unit 311b places a trading order in accordance with the actual movement of the market. That is, the calculation unit 311 b monitors the market buying and selling situation, and transmits the order information to the buying and selling processing apparatus 3 a from the communication unit 35 b through the local area network LN as needed.
  • the usual virtual currency has a concern that the user uses the virtual currency as the settlement currency because of the issue of volatility, and there is a problem that it does not easily spread as the settlement currency.
  • a specific virtual currency managed by the present system 1 since the virtual currency amount possessed by the market adjustment device 3b occupies a certain number of all virtual currency issue totals, it becomes a general virtual currency. It is possible to suppress a sudden market change or the like that may occur to a certain rate or less. However, it is important to adjust to a desirable degree, as it is desirable to have a certain use or value as an investment currency. This is preferably 5% or less, more preferably 3% or less.
  • the communication speed is extremely important.
  • the transaction processing device 3a for executing transaction processing of virtual currency and the market adjustment device 3b for performing the above-mentioned market adjustment are connected to the same local area network LN, and the important role of market adjustment It is an advantageous configuration for carrying out.
  • the transaction processing device 3a and the market adjustment device 3b may be directly connected by a short LAN cable.
  • the transaction processing device 3a and the market adjustment device 3b may be mounted on the same investment information processing device 3.
  • the UI information generation unit 312 b generates UI information on the GUI used in the terminal 2.
  • the generated UI information is transmitted to the terminal 2 via the communication unit 35b and the Internet IN.
  • necessary UI information may be acquired via the Internet IN and displayed using an application installed in the terminal 2, or UI information including the GUI itself may be acquired from a normal internet browser It may be implemented to be displayed.
  • the storage unit 32 b stores various programs and the like (including those related to the above-described algorithm) for the calculation unit 31 b to execute.
  • This may be implemented, for example, as a storage device such as a solid state drive, a hard disk drive, etc.
  • the storage unit 32a may also be implemented as a memory such as a random access memory that stores temporarily necessary information (arguments, arrays, and the like) related to the computation of a program. Moreover, these combinations may be sufficient.
  • a program for causing the terminal 2 to function as a GUI is stored. The user can download such a program and install it on his / her terminal 2.
  • the communication unit 35 b is a communication interface that transmits and receives various information to and from the terminal 2 and the management database 5 connected via the Internet IN.
  • the communication unit 35b broadcasts the transaction to other minors and users who use the same service under the control of the operation unit 31b. That is, a block (strictly speaking, a summary of blocks) including the content of the new transaction added to the block chain is sent to the management database 5.
  • a block (strictly speaking, a summary of blocks) including the content of the new transaction added to the block chain is sent to the management database 5.
  • the trading processing device 3a described above and the local area network LN are closely connected via the communication units 35a and 35b.
  • FIG. 4 is a functional block diagram showing a configuration outline of the payment information processing device 4.
  • the payment information processing device 4 executes various information processing related to a transaction on the payment virtual currency, and for example, a plurality of computers can be adopted.
  • the settlement virtual currency referred to here is a pegged equivalent to the legal currency ("the settlement function according to the legal currency" in the claims).
  • the payment information processing device 4 includes an arithmetic unit 41, a storage unit 42, and a communication unit 45. Further, these components 41, 42, 45 are connected via the communication bus 4B inside the information processing apparatus 4 for payment.
  • the calculation unit 41 performs processing and control of the entire operation related to the payment information processing device 4.
  • the arithmetic unit 41 is, for example, a central processing unit (not shown).
  • the calculation unit 41 further includes a wallet unit 411 and a settlement unit 412 here.
  • ⁇ Wallet part 411> When the wallet unit 411 receives, for example, “settlement with a settlement virtual currency” by the user of the terminal 2 as settlement information via the communication unit 45, the wallet unit 411 creates transaction information (transaction) regarding this transaction.
  • the transaction of the settlement virtual currency is not limited to the terminal 2 as described above, and another terminal may be used, or an IC card relating to the settlement virtual currency may be used.
  • Such a transaction includes the user's account, transaction date, settlement amount, and the like. Of course not.
  • the settlement unit 412 refers to the management database 5 via the communication unit 45.
  • the management database 5 manages an account including balance information of the settlement virtual currency and the like, and as described above, the block added to the block chain in the transaction of the investment virtual currency (investment transaction Information is also held. That is, the settlement unit 412 refers to the block in the management database 5 and the settlement is realized using the rate information of the investment virtual currency-settlement investment currency held therein.
  • the settlement unit 412 simultaneously refers to the profit obtained by the market adjustment device 3b managed by the management database 5 in the sales transaction as profit information. Then, the payment amount is discounted based on the profit information. That is, in the present system 1, the profit obtained by the market adjustment device 3b is returned to the user who just wants to use the virtual currency as the settlement currency.
  • the determination of the discount amount is not particularly limited. For example, the profit obtained by the market adjustment device 3b within a predetermined time may be discounted according to the number of users used within the predetermined time (which may be the same as or different from the predetermined time) or the amount of use thereof. It is conceivable to distribute.
  • the usual virtual currency has a concern that the user uses the virtual currency as the settlement currency because of the issue of volatility, and there is a problem that it does not easily spread as the settlement currency.
  • a specific virtual currency managed by the present system 1 it is possible to enjoy the service that the profit obtained by the market adjustment device 3b is distributed as a discount amount. Therefore, it can be expected to greatly contribute to the spread as a payment currency.
  • the storage unit 42 stores various programs and the like to be executed by the calculation unit 41. This may be implemented, for example, as a storage device such as a solid state drive, a hard disk drive, etc.
  • the storage unit 42 can also be implemented as a memory such as a random access memory that stores temporarily necessary information (arguments, arrays, etc.) related to the computation of the program. Moreover, these combinations may be sufficient.
  • the communication unit 45 is a communication interface that transmits and receives various information to and from the terminal 2 and the management database 5 connected via the Internet IN.
  • the management database 5 is a P2P distributed database in which investment transaction information and settlement transaction information are accumulated for each account.
  • Apache Cassandra may be employed.
  • Paxos algorithm which is a distributed agreement algorithm, is used to update data.
  • FIG. 9 is a conceptual diagram showing an example of a GUI (hereinafter referred to as an interface UI) displayed on the display unit of the terminal 2.
  • an interface UI a GUI
  • the case where the terminal 2 is a smartphone is shown as an example.
  • the user can place a trading order (including conversion to a virtual currency for investment) of the aforementioned virtual currency for investment. That is, the user can transmit order information for a sales order from the terminal 2 to the trade processing apparatus 3a via the Internet IN using the interface UI.
  • the interface UI is characterized by having an advertisement area 241.
  • an advertisement area 241 is preferably provided in the interface UI to obtain advertisement income as an operating cost of the system 1.
  • Step S1-1 The user prepares the terminal 2 and inputs information necessary for the investment transaction using the input unit 23 while looking at the GUI screen (user interface UI) displayed on the display unit 24. Specifically, it is a pair of investment virtual currency to buy, buy and sell, and an amount.
  • the input information is transmitted to the investment information processing device 3 via the Internet IN (following step S1-2).
  • Step S1-2 In the investment information processing device 3, the wallet unit 311a generates a transaction based on the information input in step S1-1. In other words, generate a block hash and generate the first block, encrypt the hash and timestamp of the latest block according to the minor request starting from the block, bundled transaction information obtained from the Merkle tree and the memory pool, and Are provided to minors via Internet IN (following step S1-3).
  • Step S1-3 The minor calculates the Nonce from the provided data and generates a new block hash using a predetermined program (mining application) installed in its own terminal 2 (for example, a smartphone limited to a specific carrier) (step Continue to S1-4).
  • a predetermined program for example, a smartphone limited to a specific carrier
  • Step S1-4 Adopt the block hash with the fastest mining time stamp from among the block hashes returned from multiple minors and append it to a new block.
  • the block is stored in the management database 5 and the transaction stored therein is linked with the account and stored as a summary. From the point of view of proof of work, it is preferable that it takes about 5 minutes from the occurrence of a transaction to its completion. [Finish]
  • Step S2-1 The settlement unit 412 executes an immediate exchange using the virtual money for investment-rate information of the investment currency for settlement as needed based on the investment summary information in the management database 5, and executes the virtual currency for investment (coins for investment) Convert to a payment virtual currency.
  • the settlement virtual currency is held by the wallet unit 411.
  • a payment virtual currency prepared in advance may be used (following step S2-2).
  • Step S2-2 The user executes payment processing in a store or the like using the terminal 2 or an IC card or the like related to the payment virtual currency.
  • the information (account, amount of money) relating to the payment is transmitted to the payment information processing device 4 via the Internet IN (following step S2-3).
  • Step S2-3) In the payment information processing device 4, the wallet unit 411 generates a transaction based on the information input in step S2-2 (following step S2-4).
  • Step S2-4 In the information processing apparatus 4 for settlement, the settlement unit 412 transmits the transaction (settlement transaction) to the management database 5 in order to add the transaction to the management database 5. Further, at this time, when the discount amount based on the profit obtained by the market adjustment device 3b is determined, the discount amount is applied, and then the balance information and the like of the settlement virtual currency is updated. On the other hand, when the discount amount is determined by the time difference, the balance information may be updated once with only the settlement amount, and the discount amount may be added to the balance later. [Finish]
  • the virtual currency which has been avoided from the high level of volatility, is returned as the virtual currency for settlement, by returning the profit obtained by the sales transaction of the market adjustment device 3b to the user who used for settlement as a discount amount. It can contribute to popularization.
  • the virtual currency for investment which is difficult for the public to use frequently in daily settlements and the like due to mining restrictions, is applied to daily settlements via the virtual currency for settlement under the configuration described above. be able to.
  • the system 1 promotes the use of a specific virtual currency not only as a virtual investment currency but also as a settlement virtual currency. Therefore, the person who wants to use only as a payment virtual currency may use, not limited to one having an account as a virtual investment currency. In such a case, for example, the user may be able to charge the settlement virtual currency by using the terminal 2 or an IC card or the like that changes to the terminal 2.
  • the charge method may be via the Internet IN, or may be carried out by paying cash at a store such as a convenience store.
  • a program for causing a computer connected to a network to execute a predetermined function wherein the predetermined function is a function for managing a specific virtual currency, and a transaction processing function, and a control function
  • the trading processing function executes trading of the virtual currency in response to a trading order in the market via the network
  • the control function executes the trading order of the virtual currency in the market X% of the total number of virtual currency is held in the computer, and 10 ⁇ x ⁇ 80 is satisfied
  • a program can also be provided as a computer readable non-transitory recording medium having the functions of such a program implemented.
  • such a program can also be distributed via the Internet or the like.
  • some or all of the components that make up the system 1 may be included in the same housing, or may be distributed to a plurality of housings.
  • the profit obtained by trading is returned to the user who uses the profit obtained by trading as a virtual currency for settlement as a discount amount, but the market fluctuation becomes more stable as it spreads It is assumed that such profit amount (ie discount amount) will be small. In such a case, it may also be assumed that this particular virtual currency establishes credit as a currency that is as stable as legal currency or more. In such a case, lending and borrowing of a virtual currency by peer-to-peer functions effectively.
  • a matching system between a user A who wants to borrow a predetermined amount of virtual currency and a user B who wants to lend the amount for interest.
  • a user A who wants to borrow a predetermined amount of virtual currency
  • a user B who wants to lend the amount for interest.
  • interest rates will be set according to the laws of each country, consumption contracts will be made, and virtual currency will be exchanged.
  • the system is such that repayment etc. is automatically performed according to the contract.
  • the computing unit 31 acquires the current prices (yen and US dollar, yen and Indonesian rupiah, etc.) of a plurality of legal currencies from a third party such as a price maker, etc. It may be implemented to establish a contract of the appropriate value of the rate).
  • the calculation unit 31 is configured for each country in which the virtual investment currency is placed, and it is preferable that the transaction be performed centering on the legal currency of the placed country. By configuring in this way, when surplus or shortage occurs in the currency of the placed country or the currency other than that, the other calculation units 31 placed in countries other than the concerned country mutually To stabilize the transaction.
  • Sixth in addition to or instead of being reduced as a discount when the user uses for settlement, it may be implemented to be reduced as interest on the account maintenance of some or all of the users .
  • control unit acquires market prices of a plurality of legal currencies including at least the first to third currencies from the outside via the network, and based on this, the legal currencies or the legal currencies and the legal currencies
  • the system is configured to determine the appropriate value of the transaction rate of the virtual currency for investment, and when an order is made to sell the first currency and purchase the second currency by a user, the first currency is sold to the third.
  • an arbitrage profit is obtained for the case of selling the first currency and purchasing the second currency by purchasing a currency and selling the third currency and purchasing the second currency, Configured to transmit the order information to the trading processor to sell a currency to buy the third currency and to sell the third currency to buy the second currency, the transaction being confirmed by the transaction
  • the arbitrage profit is reduced as the following (1) or (2), (1) Amount of discount in the settlement function (2)
  • An interest system to some or all users having an account of the virtual currency may be provided.
  • Indo Coin is a hybrid coin that is implemented by combining a consortium block chain architecture and pool mining with investment coins and transactions and using payment coins for payment on a distributed database.
  • the Indian coin consists of the following three blocks. (See Figure 10) ⁇ Investment function ⁇ Mining function ⁇ Data management function
  • Investment functions are divided into investment management functions and mining management functions.
  • the investment management function performs transaction coin authentication management, transaction management, holding state management, and conversion to payment coins.
  • the mining management function performs mining account authority management, block generation, block authentication, and management block generation.
  • the settlement function performs authentication management of settlement coins, transaction management, holding state management, and conversion into investment coins.
  • the data management function manages blockchain blocks and transaction data using Apache Cassandra, a P2P database. Moreover, each function has the following low-order functions as a component. ⁇ Investment function ⁇ Investment management function ⁇ Mining management function ⁇ Settlement function ⁇ User application ⁇ Shop application ⁇ Data management function ⁇ Cassndra
  • the architecture is a four-tier hierarchy. (See Figure 11)
  • Client application layer centered on wallet
  • the client is provided by a smartphone application and provides account management, investment coin trading, investment / payment coin management, mining and the like.
  • Investment functions consist of distributed ledger technology combining consortium blockchain architecture and pool mining.
  • the settlement function is configured on Cassandra as a transaction database using PAXOS.
  • Data management layer It is based on Apache Cassandra, a P2P distributed database, and stores all data such as investment, payment, and block chain.
  • the investor When a transaction occurs, the investor generates a transaction from the wallet managed by him through the investment API.
  • Each transaction data is provided to the server side through the investment API including the ID of the Account that issued the transaction, the ID of the transaction, and the transaction content.
  • An investment API server bundles and holds transactions on a memory pool.
  • the memory pool is configured by Apache Kafka, a distributed messaging system, and shared by each mining server (see FIG. 12).
  • the mining management server generates a starting block hash and generates the first block. Starting from this block, according to the request of each miner, the latest block hash and time stamp, the bundled transaction information obtained from the Merkle tree and the memory pool are encrypted and provided to the miner.
  • the miner uses the mining application with a smartphone limited to a specific carrier to calculate the nonce from the provided data and generate a new block hash. It returns a Merkle tree with the generated nonce, block hash, miner information, mining time stamp and new information added to the investment server.
  • the miners are divided into mining groups randomly generated by each mining server, and belong to a mining pool configured by the groups.
  • Each mining server adopts the block hash having the fastest mining time stamp from among the returned block hashes and appends it to a new block.
  • the difficulty level is adjusted to generate a block once every 5 minutes, and each investment server stores the transaction data on the memory pool acquired at the time of refinement in the returned block hash and stores it in Apache Cassandra.
  • Transaction data is stored in about 1,000 to 10,000 in each block.
  • the investment server adds transaction data to the added block and transfers the data to Cassandra for each block. At this time, the contents of the transaction included in the transaction data are disassembled for each Account existing on the Cassandra side and stored as a Summary (see FIG. 13).
  • the settlement server manages settlement transactions sent from each wallet for each transaction, and stores them in Cassandra using PAXOS (see FIG. 14).
  • System 2 Terminal 2 B: Communication bus 21: Arithmetic unit 22: Storage unit 23: Input unit 24: Display unit 241: Advertising area 25: Communication unit 3: Information processing for investment Device, 3B: Communication bus, 31: Arithmetic unit, 311: Wallet unit, 312: Mining unit, 32: Storage unit, 35: Communication unit, 3a: Trading processor, 3Ba: Communication bus, 31a: Arithmetic unit, 311a: Wallet unit, 312a: mining unit, 32a: storage unit, 35a: communication unit, 3b: market adjustment device, 3Bb: communication bus, 31b: operation unit, 311b: control unit, 312b: UI information generation unit, 32b: storage unit , 35b: communication unit, 4: information processing apparatus for settlement, 4B: communication bus, 41: calculation unit, 411: wallet unit, 412: settlement unit, 42: storage unit, 45: communication unit, 5: management database N: Network, IN: Internet, LN: local area network, UI: Interface

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  • Engineering & Computer Science (AREA)
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Abstract

Le problème décrit par la présente invention consiste à fournir : un système de gestion d'une monnaie virtuelle ayant à la fois des caractéristiques d'investissement et des caractéristiques de règlement ; et un programme associé au système. La solution selon l'invention concerne un système de gestion de monnaie virtuelle, caractérisé en ce qu'il traite avec une monnaie virtuelle d'investissement et une monnaie virtuelle de règlement et en ce qu'il est pourvu d'un terminal et d'un appareil de traitement d'informations qui sont connectés l'un à l'autre par l'intermédiaire d'un réseau, l'appareil de traitement d'informations comprenant un dispositif de traitement d'informations d'investissement, une base de données de gestion et un dispositif de traitement d'informations de règlement ; lorsque de nouvelles informations de transaction d'investissement relatives à la monnaie virtuelle d'investissement sont reçues en provenance du terminal, le dispositif de traitement d'informations d'investissement transmet les informations de transaction d'investissement à la base de données de gestion ; la base de données de gestion est configurée pour stocker des informations de solde concernant la monnaie virtuelle de règlement pour chaque compte et est configurée pour, lors de la réception des informations de transaction d'investissement provenant du dispositif de traitement d'informations d'investissement, stocker les informations de transaction d'investissement en association avec le compte ; et lorsque la transaction sur la monnaie virtuelle de règlement est exécutée, le dispositif de traitement d'informations de règlement effectue un règlement instantané sur la base des informations de transaction d'investissement conservées par la base de données de gestion.
PCT/JP2018/018226 2017-12-18 2018-05-10 Système et programme de gestion de monnaie virtuelle WO2019123676A1 (fr)

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