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CN106960388A - The method and apparatus of the digital asset circulation of transregional piece of chain - Google Patents

The method and apparatus of the digital asset circulation of transregional piece of chain Download PDF

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Publication number
CN106960388A
CN106960388A CN201710119764.6A CN201710119764A CN106960388A CN 106960388 A CN106960388 A CN 106960388A CN 201710119764 A CN201710119764 A CN 201710119764A CN 106960388 A CN106960388 A CN 106960388A
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China
Prior art keywords
application
node
digital asset
block chain
asset
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
CN201710119764.6A
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Chinese (zh)
Inventor
张锋
张一锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Bill Exchange Co.,Ltd.
ZHONGCHAO CREDITCARD INDUSTRY DEVELOPMENT CO., LTD. HANGZHOU BLOCKCHAIN TECHNOLOGY Research Institute
Original Assignee
Zhongchao Credit Card Industry Development Co Ltd Beijing Smart Card Technology Research Institute
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Application filed by Zhongchao Credit Card Industry Development Co Ltd Beijing Smart Card Technology Research Institute filed Critical Zhongchao Credit Card Industry Development Co Ltd Beijing Smart Card Technology Research Institute
Priority to CN201710119764.6A priority Critical patent/CN106960388A/en
Publication of CN106960388A publication Critical patent/CN106960388A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/50Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION 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
    • G06Q40/00Finance; Insurance; Tax strategies; Processing of corporate or income taxes
    • G06Q40/04Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION 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
    • G06Q20/00Payment architectures, schemes or protocols
    • G06Q20/04Payment circuits
    • G06Q20/06Private payment circuits, e.g. involving electronic currency used among participants of a common payment scheme
    • G06Q20/065Private payment circuits, e.g. involving electronic currency used among participants of a common payment scheme using e-cash
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3236Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
    • H04L9/3239Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions involving non-keyed hash functions, e.g. modification detection codes [MDCs], MD5, SHA or RIPEMD
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3247Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures

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  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Computer Security & Cryptography (AREA)
  • Accounting & Taxation (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Finance (AREA)
  • Physics & Mathematics (AREA)
  • Strategic Management (AREA)
  • General Business, Economics & Management (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Economics (AREA)
  • Marketing (AREA)
  • Technology Law (AREA)
  • Development Economics (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

The invention discloses the method and apparatus that a kind of digital asset of transregional piece of chain circulates.Wherein, this method includes:Receive the circulation application for the recipient's node for going to the digital asset of the first quantity in the second block chain from user's node-flow in the first block chain;In response to the circulation application received, the intelligent contract program of institute's agreement between the first block chain and the second block chain is called;Based on the intelligent contract program called, the digital asset equivalence of the first quantity is converted to the legal conventional data of the second quantity;Write-in reduces the record of the digital asset of the first quantity in the first asset database of user's node, and write-in increases the record of the legal conventional data of the second quantity in the second asset database of recipient's node.The present embodiment not only may insure that digital asset keeps total amount constant during the circulation of different blocks chain, prevent that circulation is lost, and may insure quick circulation, prevent the problems such as participant ballot is played tricks.

Description

The method and apparatus of the digital asset circulation of transregional piece of chain
Technical field
The method and dress circulated the present invention relates to the digital asset of communication technical field, more particularly to a kind of transregional piece of chain Put.
Background technology
With the development of the communication technology, block chain due to it is open, transparent, can not distort the advantages of and gradually be applied to number According in the application scenarios of processing.Block chain is considered as distributed unified account book, and book keeping operation content is together decided on by all participants, Each participant preserves full dose data, and any individual participant can not be distorted to data.Block chain technology is one General technology.Block chain for example can be bit coin block chain or ether mill block chain.Registered on different block chains Digital asset or digital cash have the demand of circulation circulation.Such as user wishes to exchange the number on ether mill with bit coin Word assets, traditionally he can only by bit currency exchange, into ether coin, (centre be valuated by legal tender, such as beautiful by exchange Member etc.), then gone to buy assets with ether coin on ether mill.This not only adds the use threshold of user, transaction is added Loss, and occur in that exchange risk.
At present, people attempt to solve digital cash using block chain node voting scheme the problem of chain circulates.Work as area Sufficient amount of block chain link point is voted on block chain, is voted through after minimum quantity, completes across the chain circulation behaviour of digital cash Make.However, being solved using the mode of ballot across chain, velocity of liquid assets is not only limit, and lack effective prison of authoritative institution Pipe, can produce block chain node and try one's hand the problem of playing tricks.
The content of the invention
One or more problems in view of the above, the embodiments of the invention provide a kind of digital asset stream of transregional piece of chain The method and apparatus turned.
There is provided the method for the digital asset circulation of transregional piece of chain for first aspect.This method comprises the following steps:
Reception goes to the digital asset of the first quantity in the second block chain from user's node-flow in the first block chain Recipient's node circulation application;
In response to the circulation application received, the intelligent contract of institute's agreement between the first block chain and the second block chain is called Program;
Based on the intelligent contract program called, the digital asset equivalence of the first quantity is converted into the legal of the second quantity Conventional data;
Write-in reduces the record of the digital asset of the first quantity, Yi Ji in the first asset database of user's node The record of the legal conventional data of the second quantity of write-in increase in second asset database of recipient's node.
There is provided the device that a kind of digital asset of transregional piece of chain circulates for second aspect.The device includes:
Apply for receiving unit, for receiving the digital asset of the first quantity from user's node-flow in the first block chain The circulation application of the recipient's node gone in the second block chain;
Routine call unit, for the circulation application in response to being received, call the first block chain and the second block chain it Between institute's agreement intelligent contract program;
Assets converting unit, for based on the intelligent contract program called, the digital asset equivalence of the first quantity to be turned It is changed to the legal conventional data of the second quantity;
Data record unit, the numeral for the first quantity of write-in reduction in the first asset database of user's node The record of assets, and the legal conventional data of the second quantity of write-in increase in the second asset database of recipient's node Record.
Thus, the intelligent contract program that the embodiment of the present invention is called by monitoring party, digital asset to be circulated is changed For equivalent legal conventional data, then write-in reduces the number of the first quantity in the first asset database of user's node again The record of word assets, and write-in increases the legal conventional data of the second quantity in the second asset database of recipient's node Record, not only may insure in different blocks chain to keep total amount constant during digital asset circulation, prevent that circulation is lost, and And the circulation process of supervision transregional piece of chain of digital asset can be tracked at any time by the monitoring party of authority, it is ensured that quick circulation, Prevent the problems such as participant ballot is played tricks.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will make needed for the embodiment of the present invention Accompanying drawing is briefly described, it should be apparent that, drawings described below is only some embodiments of the present invention, for For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings Accompanying drawing.
Fig. 1 is the system architecture schematic diagram of the transregional piece of chain circulation of digital cash of one embodiment of the invention.
Fig. 2 is the schematic flow sheet of the method for the digital asset circulation of the transregional piece of chain of another embodiment of the present invention.
Fig. 3 is the structural representation of the device of the digital asset circulation of the transregional piece of chain of another embodiment of the present invention.
Fig. 4 is the block schematic illustration of the device of the digital asset circulation of the transregional piece of chain of another embodiment of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase Mutually combination.Describe the application in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Digital asset can be transferable digital information on block chain, often in kind corresponding with certain of real world, It is held by foregoing account address or intelligent contract address.Digital asset can include but is not limited to legal digital cash.It is legal Digital cash can be the digital cash issued by Central Bank of government.Said below so that digital cash is traded in block chain as an example The implementation of the transregional piece of chain circulation of bright digital asset.
Fig. 1 is the system architecture schematic diagram of the transregional piece of chain circulation of digital asset of one embodiment of the invention.
As shown in figure 1, the system architecture can include:The block chain 120 of monitoring party (SDM) 110, first, the second block chain 130 and network 140.
Monitoring party 110 can be with Central Bank, Piao Jiaosuodeng authoritative institutions.Monitoring party 110 can include:Digital cash centring system 111 and supervisory systems 112.Digital cash centring system 111 can be used for issuing legal digital cash, and storage, which is paid, prepares data Storehouse, paying readiness database is used to record the distribution (establishment) for paying preparation digital asset and reclaims data such as (producing).Supervision System 112 can be provided with SDM APP and secret protection mid-tier component (SDDS-Middleware).SDDS-Middleware Privacy protection function can be provided for the digital cash circulated on block chain 120,130.Registered in digital cash centring system 111 Be plaintext digital cash, what is registered on block chain 120,130 is then ciphertext digital cash.
First block chain 120 can include:Block chain node 121-124 and the intelligence being deployed in the first block chain 120 Contract program 125.Second block chain 130 can include:Block chain node 131-134 and it is deployed in the second block chain 130 Intelligent contract program 135.
User's node 122 and recipient's node 132 are the paying party node and beneficiary node of transaction respectively.For example, User's node 122 needs to want to turn 1,000,000 digital cash to recipient's node 132.User's node 122 is needed the money first " appearance " is arrived inside digital cash centring system 111, and this pen is recorded by the payment readiness database of digital cash centring system 111 Money is simultaneously changed and is changed into the legal conventional data legal digital cash of distribution (Central Bank), then again pays general digital currency and connects Debit's node 132.
User's node 122 can be any one node in the first block chain 120.Recipient's node 132 can be Any one node in second block chain 130.User's node 122 and recipient's node 132 can also be outside block chain Node, or they occur not in the form of node, and content is not limited in this respect.User's node 122 can pass through SDM business interfaces access monitoring party 110, and interact data.
The block chain 120 (such as digital ticket transaction system) of 110 monitoring party of monitoring party 110 first, the second block chain 130 (such as digital stock exchange trading system) can be distributed unified account book, common by all participants (such as each block chain node) Book keeping operation content is determined, each participant preserves full dose data, and any individual can not be distorted to data.First block chain 120th, the second block chain 130 can be alliance's chain.Alliance's chain is relative with publicly-owned chain, is one kind of block chain.Feature is that have standard Enter system, the participant only got the Green Light could be added.It is corresponding, two kinds of monitoring party and common participant are had in alliance's chain Role.
Intelligent contract program 125 and 135 can be the intelligent contract of digital cash management.Digital cash manages intelligent contract The intelligent contract on particular block chain is deployed in, across the chain side of the digital cash can be used by only deploying the block chain of the contract Case.The intelligent contract of digital cash management can include:SDMFrontEnd currency contract, bill contract and traffic contract.Intelligence is closed About program 125 and 135 can possess as properties:The external account address of monitoring party 110 is provided with, passes through the setting, the contract Whether monitoring party can be come from recognition command.The record of numeral circulation can be write digital cash registration form.The charting The quantity of digital cash is held in some account address on block chain.The form can be stored in asset database.Intelligent contract Program 125 and 135 is also equipped with such as minor function (or function) simultaneously:1st, digital cash injection function.The function can only be by supervising Side 110 is called.After the function is called, destiny account address can increase corresponding digital goods in digital cash registration form Coin.2nd, digital cash extracts function.The function can only be called by monitoring party.On invocation, destiny account address is in digital goods Corresponding digital cash can be reduced in coin registration form.3rd, digital cash is transferred accounts function.The function can be called by any participant. After the function is called, participant can reduce the digital cash of specified amount (if former remaining sum in digital cash registration form Enough), while the recipient specified can increase the digital cash of specified amount in digital cash registration form.
Monitoring party 110 is it is appreciated that the number of the equipment in Fig. 1 is only schematical.According to needs are realized, adjusted It is whole.Wherein, block chain node can be various electronic equipments.These electronic equipments include but is not limited to PC, intelligent hand Machine, panel computer, personal digital assistant, server etc..These electronic equipments can be provided with various telecommunication customer end applications, example Such as JICQ, mailbox client, social platform software, audio frequency and video software.Wherein, these electronic equipments have and deposited Reservoir and logical operation process device, control element etc..These electronic equipments can send request of data, or can receive data Data can also be analyzed, verified and stored etc. and handled by request.
Medium of the network 140 to provide communication link between various electronic equipments.Specifically, the network equipment can be wrapped Various connection types are included, such as wired, wireless communication link or fiber optic cables.
Embodiments below can apply to framework shown in Fig. 1, and succinct in order to describe, each embodiment can be referred to mutually Quote.
Fig. 2 is the schematic flow sheet of the method for the digital asset circulation of the transregional piece of chain of another embodiment of the present invention.
As shown in Fig. 2 this method may comprise steps of:S210, is received the digital asset of the first quantity from first The circulation application for recipient's node that user's node-flow in block chain is gone in the second block chain;S220, in response to being connect The circulation application of receipts, calls the intelligent contract program of institute's agreement between the first block chain and the second block chain;S230, based on being adjusted Intelligent contract program, the digital asset equivalence of the first quantity is converted to the legal conventional data of the second quantity;S240, Write-in reduces the record of the digital asset of the first quantity in first asset database of user's node, and in recipient's node The second asset database in write-in increase the second quantity legal conventional data record.
In step S210, digital asset can be transferable digital information on block chain, often with real world Certain material object correspondence.Digital asset can be held by certain participant (such as user) by account address or intelligent contract address Have.Account address can be an account in block chain network.Account address is typically by the public key of certain unsymmetrical key The form of certain deformation occurs.The authority of the operation account can be obtained by only holding the corresponding private key in account address.Intelligence Contract address can be the corresponding virtual account of intelligent contract.Different from regular account address, intelligent contract address is not corresponded to Operation private key, it is to provide which account address can have operating right by contract code.
In step S220, intelligent contract program can be a set of promise (promises) defined in digital form, bag The agreement of these promises can be performed above by including contract participant.Intelligent contract can be one section of program generation on block chain Code, defines the right and duty and action clause of contract relevant people.Contract relevant people is by sending the transaction of block chain come really Recognize intelligent contract, the digital cash that payment contract may need, call function etc. as defined in intelligent contract.
In step S230, legal conventional data can be the legal digital cash of Central Bank's distribution.
In step S240, the first asset database can be used for storing numeral of user's node in the first block chain The record of asset inventory and/or legal conventional data.Second asset database can be used for storage user's node in the firstth area The record of digital asset record and/or legal conventional data in block chain.
After legal digital cash occurs, digital cash may be registered on different block chains, such as digital ticket Block chain and digital option block chain.User may hold digital asset (such as legal numeral on different block chains Currency).If but digital cash can not across chain circulation, it is meant that the assets of user are scattered, it is impossible to integrated.Thus, The intelligent contract program that the embodiment of the present invention is called by monitoring party, the legal logical of equivalence is converted to by digital asset to be circulated With data, then write-in reduces the record of the digital asset of the first quantity in the first asset database of user's node again, And write-in increases the record of the legal conventional data of the second quantity in the second asset database of recipient's node, not only may be used To ensure to keep total amount constant during digital asset circulation in different blocks chain, prevent that circulation is lost, and power can be passed through The monitoring party of prestige tracks the circulation process of supervision transregional piece of chain of digital asset at any time, it is ensured that quick circulation, prevents that participant from throwing The problems such as ticket is played tricks.
In certain embodiments, the intelligent contract program of institute's agreement between the first block chain and the second block chain is being called After (i.e. step S220), the method for the digital asset circulation of transregional piece of chain also includes following verification step:Based on being called Intelligent contract, the circulation application received is verified;
After circulation application is by checking, the digital asset equivalence of the first quantity is converted into the legal general of the second quantity Data.
The circulation of digital cash subsequently is main on particular block chain, and being related to across chain circulation then needs application to propose to move Make.Thus, by verification step, it can make it that monitoring party efficiently controls the circulation process of transregional piece of chain of digital asset, it is ensured that Quick circulation, prevents the problem of participant ballot is played tricks.
In certain embodiments, before circulation application (i.e. step S210) is received, the digital asset circulation of transregional piece of chain Method can also include following establishment (or distribution) step:
Receive the establishment of the legal conventional data equivalent with the digital asset of the first quantity of the establishment from user's node Application;In response to the establishment application received, the establishment application received is verified;
After application to be created is by checking, the equivalent payment of the digital asset with the first quantity is prepared into digital asset conversion For the legal conventional data of the second quantity;The legal conventional data of second quantity is stored into payment readiness database.
For example, user (by taking business bank as an example) is first to monitoring party application digital cash, application passes through rear user Deducted in the excess reserve of monitoring party, be converted to digital cash.Monitoring party passes through the unified distribution numeral of digital cash centring system Currency, is stored in centring system after digital cash distribution in the form of encrypted characters string.Distribution action can be held with monitoring party Some private keys are digitally signed authoritative to embody it to requisite informations such as digital cash ID, the amount of money, users.
In certain embodiments, on the basis of the various embodiments described above, the method for the digital asset circulation of transregional piece of chain is also It can include:Legal conventional data to the second quantity is digitally signed, for:The first block chain and/or described Node in two block chains carries out common recognition checking to the digital signature, when judging the digital signature effectively, and judges described Digital signature is when being signed by the supervision, to be verified by the common recognition.
For example, each node in the first and second block chains can be provided with common recognition authentication unit (can also root Some nodes are not configured according to demand).Common recognition authentication unit can be used to the numeral label circulated across chain on block chain Name is verified, is across the chain operation that monitoring party is sent only by confirmation after digital signature authentication, block chain node just should Transaction packing is put into block chain.
Received specifically, participating in node (read-only node) after new block, verify whether across chain transaction therein carries Legal monitoring party digital signature, if it is confirmed that digital signature effectively, then confirms the block;Node (accounting nodes) is participated in receive To after new across chain transaction, verify whether to carry legal monitoring party digital signature, if it is confirmed that digital signature effectively, then should Transaction is packaged into new block, and is broadcasted to the whole network.
In certain embodiments, creating application includes at least one in following item:The ID for the digital asset for intending creating, the The identity information of one quantity and user's node.
In certain embodiments, on the basis of the various embodiments described above, the method for the digital asset circulation of transregional piece of chain is also (or injection) step can be transferred to including following:Receive from user's node by pay readiness database in the 3rd What the legal conventional data of quantity shifted the first asset database is transferred to application;The application that is transferred to received is verified;When When 3rd quantity is less than the second quantity, after application is transferred to by checking, the second quantity is split as the 3rd quantity and remainder Amount, the record of the digital asset of the 3rd quantity of write-in increase in the first asset database;Write in readiness database is paid The record of the digital asset of the 3rd quantity is reduced, and write-in increases the record of the digital asset of volume residual;When the 3rd quantity During equal to the second quantity, after application is transferred to by checking, write-in reduces the numeral of the 3rd quantity in readiness database is paid The record of assets, the record of the digital asset of the 3rd quantity of write-in increase in the first asset database.
For example, user continues to enter block chain to monitoring party application digital cash, user is by directly-connected network to prison Pipe side sends application message, content includes the ID of injection block chain, the digital cash amount of money, digital cash recipient on block chain Location etc..After monitoring party examination & verification passes through, it can will issue and recipient is that the digital cash of the user is decoupled, it is a part of Injection block chain is required according to message, a part stays in centring system as residue.
In certain embodiments, at least one in following item can be included by being transferred to application:3rd quantity, the first block chain ID and user address of node.In certain embodiments, on the basis of the various embodiments described above, the numeral money of transregional piece of chain Following transfer (or proposition) step can also be included by producing the method for circulation:Receive the first quantity from user's node Digital asset the transfer application of the side's of being transferred to node in the first block chain is transferred to from user's node in the first block chain; The transfer application received is verified;After application to be transferred is by checking, in the first asset database of user's node Middle write-in reduces the record of the digital asset of the first quantity, and the write-in increase in the second asset database of the side's of being transferred to node The record of the legal conventional data of second quantity.
For example, when user needs that digital cash is transformed on other block chains or returned, by directly-connected network to prison Pipe side sends message application.Monitoring party calls the intelligent contract of digital cash on block chain to the numeral of specified user after receiving Currency carries out derating operation.Increase corresponding digital cash in centring system for user simultaneously.
In certain embodiments, on the basis of the various embodiments described above, the method for the digital asset circulation of transregional piece of chain is also (or recovery) step can be produced including following:Receive the legal conventional data by the second quantity from user's node Produced from the first asset database to payment readiness database and produce application;The application of producing received is verified;Treat After application is produced by checking, write-in reduces the record of the legal conventional data of the second quantity in the first asset database, and The equivalent payment of the legal conventional data of the second quantity of write-in increase prepares digital asset in readiness database is paid.
For example, when user does not use digital cash, digital cash can be reclaimed to monitoring party application.Monitoring party is by The digital cash for feeling concerned about user in system is destroyed, while increasing excess reserve number for it.
In certain embodiments, on the basis of the various embodiments described above, the method for the digital asset circulation of transregional piece of chain is also It can include:Intelligent contract program is disposed on block chain to be circulated in advance, intelligent contract program is used to define digital asset Establishment on block chain to be circulated, at least one operation be transferred to, shift, circulating, producing in operation.
In certain embodiments, on the basis of the various embodiments described above, the method for the digital asset circulation of transregional piece of chain is also It can include:The account address of monitoring party is set for intelligent contract program in advance;When by being transferred to application or producing application Checking after, call above-mentioned intelligent contract program.
Thus, above-described embodiment can be issued, inject, circulate, propose, returned by digital cash centralization publishing system Cage digital asset, keeps data total amount constant, it is to avoid loss.
It should be noted that in the case where not conflicting, those skilled in the art can according to actual needs will be above-mentioned The order of operating procedure is adjusted flexibly, or above-mentioned steps are carried out into the operation such as flexible combination.For simplicity, repeating no more Various implementations.In addition, the content of each embodiment can mutual reference.
Fig. 3 is the structural representation of the device of the digital asset circulation of the transregional piece of chain of another embodiment of the present invention.
As shown in figure 3, the device 300 of the digital asset circulation of transregional piece of chain can include:Apply for receiving unit 310, journey Sequence call unit 320, assets converting unit 330 and the data record unit of data record unit 340.Wherein, receiving unit is applied for 310 can be used for reception goes to the second block chain by the digital asset of the first quantity from user's node-flow in the first block chain In recipient's node circulation application;Routine call unit 320 can be used for the circulation application in response to being received, and call The intelligent contract program of institute's agreement between one block chain and the second block chain;Assets converting unit 330 can be used for being based on being adjusted Intelligent contract program, the digital asset equivalence of the first quantity is converted to the legal conventional data of the second quantity;Data are remembered Record unit 340 can be used for the note that the write-in in the first asset database of user's node reduces the digital asset of the first quantity Record, and write-in increases the record of the legal conventional data of the second quantity in the second asset database of recipient's node.
In certain embodiments, the device can also include data record unit:Apply for authentication unit.Wherein, application is tested Card unit can be used for, based on the intelligent contract called, verifying the circulation application received;Application to be circulated passes through After checking, the digital asset equivalence of the first quantity is converted to the legal conventional data of the second quantity.
In certain embodiments, application receiving unit can be also used for receiving the establishment from user's node and the first number The establishment application of the equivalent legal conventional data of the digital asset of amount;Application authentication unit can be also used in response to being received Application is created, the establishment application received is verified;Assets converting unit can be also used for application to be created and pass through checking Afterwards, the equivalent payment of the digital asset with the first quantity is prepared into the legal conventional data that digital asset is converted to the second quantity; Data record unit can be also used for storing the legal conventional data of the second quantity into payment readiness database.
In certain embodiments, the device can also include:Digital signature unit.Digital signature unit can be used for The legal conventional data of two quantity is digitally signed, for:Section in the first block chain and/or the second block chain Point carries out common recognition checking to the digital signature, when judging the digital signature effectively, and judges that the digital signature is by institute Supervision is stated when sign, passes through the checking of knowing together.
For example, each node in the first and second block chains can be provided with common recognition authentication unit (can also root Some nodes are not configured according to demand).Common recognition authentication unit can be used to the numeral label circulated across chain on block chain Name is verified, is across the chain operation that monitoring party is sent only by confirmation after digital signature authentication, block chain node just should Transaction packing is put into block chain.
Received specifically, participating in node (read-only node) after new block, verify whether across chain transaction therein carries Legal monitoring party digital signature, if it is confirmed that digital signature effectively, then confirms the block;Node (accounting nodes) is participated in receive To after new across chain transaction, verify whether to carry legal monitoring party digital signature, if it is confirmed that digital signature effectively, then should Transaction is packaged into new block, and is broadcasted to the whole network.
In certain embodiments, creating application includes at least one in following item:The ID for the digital asset for intending creating, the The identity information of one quantity and user's node.
In certain embodiments, application receiving unit, which can be also used for receiving to pay from user's node, prepares number The first asset database, which is shifted, according to the legal conventional data of the 3rd quantity in storehouse is transferred to application;Apply for that authentication unit can be with For being verified to the application that is transferred to received;Record writing unit can be also used for when the 3rd quantity is less than the second quantity When, after application is transferred to by checking, the second quantity is split as the 3rd quantity and volume residual, in the first asset database The record of the digital asset of write-in the 3rd quantity of increase;Write-in reduces the digital asset of the 3rd quantity in readiness database is paid Record, and write-in increase volume residual digital asset record;When the 3rd quantity is equal to the second quantity, Shen to be transferred to Please by checking after, pay readiness database in write-in reduce the 3rd quantity digital asset record, in the first assets number According to the record of the digital asset of the 3rd quantity of write-in increase in storehouse.
In certain embodiments, being transferred to application includes at least one in following item:The ID of 3rd quantity, the first block chain With user address of node.
In certain embodiments, application receiving unit can be also used for receiving from user's node by the first quantity Digital asset is transferred to the transfer application of the side's of being transferred to node in the first block chain from user's node in the first block chain;Shen Please authentication unit can be also used for verifying the transfer application received;Data record unit can be also used for Shen to be transferred Please by checking after, in the first asset database of user's node write-in reduce the first quantity digital asset record, And write-in increases the record of the legal conventional data of the second quantity in the second asset database of the side's of being transferred to node.
In certain embodiments, application receiving unit can be also used for receiving from user's node by the second quantity Legal conventional data produces to payment readiness database from the first asset database and produces application;Apply for that authentication unit can be with For being verified to the application of producing received;Data record unit can be also used for after application is produced by checking, Write-in reduces the record of the legal conventional data of the second quantity in first asset database, and is write in readiness database is paid Increase the equivalent payment preparation digital asset of the legal conventional data of the second quantity.
In certain embodiments, the device can also include:Program deployment unit.Wherein, program deployment unit can be used In disposing intelligent contract program on block chain to be circulated in advance, intelligent contract program is being waited to circulate for defining digital asset Block chain on establishment, at least one operation for being transferred to, shift, circulating, producing in operation.
In certain embodiments, the device can also include:Address setting unit.Address setting unit can be used in advance The account address of monitoring party is set for intelligent contract program;When after by being transferred to application or producing the checking of application, call Intelligent contract program.
It should be noted that the device of the various embodiments described above can as the various embodiments described above the method for each embodiment In executive agent, it is possible to achieve the corresponding flow in each method, for sake of simplicity, content is repeated no more in this respect.
Fig. 4 is the block schematic illustration of the device of the digital asset circulation of the transregional piece of chain of another embodiment of the present invention.
As shown in figure 4, the framework can include CPU (CPU) 401, it can be according to being stored in read-only storage Program in device (ROM) 402 is performed from the program that storage part 408 is loaded into random access storage device (RAM) 403 Following processing:Reception goes to the digital asset of the first quantity in the second block chain from user's node-flow in the first block chain Recipient's node circulation application;In response to the circulation application received, call between the first block chain and the second block chain The intelligent contract program of institute's agreement;Based on the intelligent contract program called, the digital asset equivalence of the first quantity is converted to The legal conventional data of second quantity;Write-in reduces the numeral money of the first quantity in the first asset database of user's node The record of production, and write-in increases the note of the legal conventional data of the second quantity in the second asset database of recipient's node Record.
In RAM403, various programs and data needed for the framework that is also stored with operation.CPU 401, ROM 702 and RAM 403 is connected with each other by bus 404.Input/output (I/O) interface is also connected to bus 404.I/ is connected to lower component O Interface 405:Importation 406 including keyboard, mouse etc.;Including such as cathode-ray tube (CRT), liquid crystal display (LCD) Deng and loudspeaker etc. output par, c 407;Storage part 408 including hard disk etc.;And including such as LAN card, modulatedemodulate Adjust the communications portion 409 of the NIC of device etc..Communications portion 409 performs communication process via the network of such as internet. Driver 410 is also according to needing to be connected to I/O interfaces 405.Detachable media 411, such as disk, CD, magneto-optic disk, semiconductor Memory etc., is arranged on driver 410, in order to which the computer program read from it is pacified as needed as needed Load storage part 408.
Especially, embodiments in accordance with the present invention, the process described above with reference to flow chart may be implemented as computer Software program.For example, embodiments of the invention include a kind of computer program product, it includes being tangibly embodied in machine readable Computer program on medium, the computer program, which is included, is used for the program code of the method shown in execution flow chart.At this In the embodiment of sample, the computer program can be downloaded and installed by communications portion 409 from network, and/or from removable Medium 411 is unloaded to be mounted.
Device embodiment described above is only schematical, wherein the unit illustrated as separating component can To be or may not be physically separate, the part shown as unit can be or may not be physics list Member, you can with positioned at a place, or can also be distributed on multiple NEs.It can be selected according to the actual needs In some or all of module realize the purpose of this embodiment scheme.Those of ordinary skill in the art are not paying creativeness Work in the case of, you can to understand and implement.
Finally it should be noted that:The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that:It still may be used To be modified to the technical scheme described in foregoing embodiments, or to which part technical characteristic progress equivalent; And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and Scope.

Claims (22)

1. the method for the digital asset circulation of a kind of transregional piece of chain, it is characterised in that applied to monitoring party, this method includes:
The digital asset of first quantity is gone to connecing in the second block chain by reception from user's node-flow in the first block chain The circulation application of debit's node;
In response to the circulation application received, the intelligence of institute's agreement between the first block chain and the second block chain is called Contract program;
Based on the intelligent contract program called, the digital asset equivalence of first quantity is converted into the legal of the second quantity Conventional data;
Write-in reduces the record of the digital asset of first quantity in the first asset database of user's node, with And write-in increases the record of the legal conventional data of second quantity in the second asset database of recipient's node.
2. according to the method described in claim 1, it is characterised in that calling the first block chain and the second block chain Between institute's agreement intelligent contract program after, also include:
Based on the intelligent contract called, the circulation application received is verified;
After the circulation application is by checking, the digital asset equivalence of first quantity is converted into second quantity Legal conventional data.
3. method according to claim 2, it is characterised in that also include before the circulation application is received:
Receive the establishment of the legal conventional data equivalent with the digital asset of first quantity of the establishment from user's node Application;
In response to the establishment application received, the establishment application received is verified;
After the establishment application is by checking, by the equivalent payment preparation digital asset of the digital asset with first quantity Be converted to the legal conventional data of second quantity;
The legal conventional data of second quantity is stored into payment readiness database.
4. method according to claim 3, it is characterised in that also include:
Legal conventional data to second quantity is digitally signed, for:The first block chain and/or described second Node in block chain carries out common recognition checking to the digital signature, when judging the digital signature effectively, and judges the number Word signature is when being signed by the supervision, to be verified by the common recognition.
5. method according to claim 3, it is characterised in that the establishment application includes at least one in following item:
Intend the identity information of ID, first quantity and the user's node of the digital asset of establishment.
6. method according to claim 3, it is characterised in that also include:
Receive the legal general number by the 3rd quantity in the payment readiness database from user's node Application is transferred to according to transfer first asset database;
The application that is transferred to received is verified;
When the 3rd quantity is less than second quantity, after application is transferred to described in by checking, by second quantity The 3rd quantity and volume residual are split as, the numeral of write-in increase the 3rd quantity in first asset database The record of assets;Write-in reduces the record of the digital asset of the 3rd quantity in the payment readiness database, and writes Enter the record for the digital asset for increasing the volume residual;
When the 3rd quantity is equal to second quantity, after application is transferred to described in by checking, prepare in described pay Write-in reduces the record of the digital asset of the 3rd quantity in database, the write-in increase institute in first asset database State the record of the digital asset of the 3rd quantity.
7. method according to claim 6, it is characterised in that described be transferred to applies including at least one in following item: 3rd quantity, the ID of the first block chain and the user address of node.
8. method according to claim 2, it is characterised in that also include:
The digital asset by the first quantity from user's node is received from user's node in the first block chain to turn The transfer application of the side's of the being transferred to node moved in the first block chain;
The transfer application received is verified;
After the transfer application is by checking, write-in reduces described the in the first asset database of user's node The record of the digital asset of one quantity, and the write-in increase described second in the second asset database of the side's of being transferred to node The record of the legal conventional data of quantity.
9. method according to claim 6, it is characterised in that also include:
The legal conventional data by second quantity from user's node is received from first asset database Produce to the payment readiness database and produce application;
The application of producing received is verified;
After application is produced described in by checking, write-in reduces the legal of second quantity in first asset database The record of conventional data, and the legal conventional data of write-in increase by second quantity is equivalent in the payment readiness database Payment prepare digital asset.
10. the method according to any one in claim 1-9, it is characterised in that also include:
The intelligent contract program is disposed on block chain to be circulated in advance, the intelligent contract program is used to define digital money Produce the establishment on the block chain to be circulated, at least one operation be transferred to, shift, circulating, producing in operation.
11. method according to claim 10, it is characterised in that also include:
The account address of the monitoring party is set for the intelligent contract program in advance;
When after by being transferred to application or producing the checking of application, the intelligent contract program is called.
12. the device of the digital asset circulation of a kind of transregional piece of chain, it is characterised in that applied to monitoring party, including:
Apply for receiving unit, go to the digital asset of the first quantity from user's node-flow in the first block chain for receiving The circulation application of recipient's node in second block chain;
Routine call unit, for the circulation application in response to being received, calls the first block chain and second block The intelligent contract program of institute's agreement between chain;
Assets converting unit, for based on the intelligent contract program called, the digital asset equivalence of first quantity to be turned It is changed to the legal conventional data of the second quantity;
Data record unit, for write-in reduction first quantity in the first asset database of user's node The record of digital asset, and write-in increases the method for second quantity in the second asset database of recipient's node Determine the record of conventional data.
13. device according to claim 12, it is characterised in that also include:
Apply for authentication unit, for based on the intelligent contract called, being verified to the circulation application received;Treat the stream After turning application by checking, the digital asset equivalence of first quantity is converted to the legal general number of second quantity According to.
14. device according to claim 13, it is characterised in that wherein:
The application receiving unit, is additionally operable to receive the establishment from user's node and the digital asset of first quantity etc. The establishment application of the legal conventional data of value;
The application authentication unit, is additionally operable to the establishment application in response to being received, and the establishment application received is verified;
The assets converting unit, is additionally operable to after the establishment application is by checking, by the numeral money with first quantity The equivalent payment of production prepares the legal conventional data that digital asset is converted to second quantity;
The data record unit, is additionally operable to store the legal conventional data of second quantity to payment readiness database In.
15. device according to claim 14, it is characterised in that also include:
Digital signature unit, is digitally signed for the legal conventional data to second quantity, for:Firstth area Node in block chain and/or the second block chain carries out common recognition checking to the digital signature, when the judgement digital signature Effectively, and judge that the digital signature is when being signed by the supervision, to pass through the common recognition checking.
16. device according to claim 14, it is characterised in that the establishment application includes at least one in following item :
Intend the identity information of ID, first quantity and the user's node of the digital asset of establishment.
17. device according to claim 14, it is characterised in that wherein:
The application receiving unit, be additionally operable to receive from user's node by it is described payment readiness database in institute What the legal conventional data for stating the 3rd quantity shifted first asset database is transferred to application;
The application authentication unit, is additionally operable to verify the application that is transferred to received;
The data record unit, is additionally operable to when the 3rd quantity is less than second quantity, treats that described be transferred to applies for logical Cross after checking, second quantity is split as the 3rd quantity and volume residual, write in first asset database Enter the record for the digital asset for increasing the 3rd quantity;Write-in reduces the 3rd quantity in the payment readiness database Digital asset record, and the digital asset of the write-in increase volume residual record;
When the 3rd quantity is equal to second quantity, after application is transferred to described in by checking, prepare in described pay Write-in reduces the record of the digital asset of the 3rd quantity in database, the write-in increase institute in first asset database State the record of the digital asset of the 3rd quantity.
18. device according to claim 17, it is characterised in that described be transferred to applies including at least one in following item :3rd quantity, the ID of the first block chain and the user address of node.
19. device according to claim 13, it is characterised in that wherein:
The application receiving unit, is additionally operable to receive the digital asset by the first quantity from user's node from first User's node in block chain is transferred to the transfer application of the side's of being transferred to node in the first block chain;
The application authentication unit, is additionally operable to verify the transfer application received;
The data record unit, is additionally operable to after the transfer application is by checking, in the first money of user's node The record that write-in in database reduces the digital asset of first quantity is produced, and, in the second money of the side's of being transferred to node Produce the record of the legal conventional data of write-in increase by second quantity in database.
20. device according to claim 17, it is characterised in that wherein:
The application receiving unit, is additionally operable to receive the legal general number by second quantity from user's node Application is produced according to being produced from first asset database to the payment readiness database;
The application authentication unit, is additionally operable to verify the application of producing received;
The data record unit, after being additionally operable to produce application described in by checking, writes in first asset database Enter the record for the legal conventional data for reducing second quantity, and write-in increase described the in the payment readiness database The equivalent payment of the legal conventional data of two quantity prepares digital asset.
21. the device according to any one in claim 12-20, it is characterised in that also include:
Program deployment unit, for disposing the intelligent contract program, the intelligent contract on block chain to be circulated in advance Program is used to define establishment of the digital asset on the block chain to be circulated, is transferred to, shifts, circulating, producing in operation At least one operation.
22. device according to claim 21, it is characterised in that also include:
Address setting unit, the account address for setting the monitoring party for the intelligent contract program in advance, when passing through It is transferred to after the checking for applying for or producing application, calls the intelligent contract program.
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