CN107609876A - A kind of method and system for recovering block chain assets - Google Patents
A kind of method and system for recovering block chain assets Download PDFInfo
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- CN107609876A CN107609876A CN201710714462.3A CN201710714462A CN107609876A CN 107609876 A CN107609876 A CN 107609876A CN 201710714462 A CN201710714462 A CN 201710714462A CN 107609876 A CN107609876 A CN 107609876A
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- new account
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
- G06F21/645—Protecting data integrity, e.g. using checksums, certificates or signatures using a third party
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/45—Structures or tools for the administration of authentication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic 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
- H04L9/3226—Cryptographic 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 a predetermined code, e.g. password, passphrase or PIN
- H04L9/3231—Biological data, e.g. fingerprint, voice or retina
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic 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
- H04L9/3236—Cryptographic 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
- H04L9/3239—Cryptographic 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic 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
- H04L9/3247—Cryptographic 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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
Abstract
The invention discloses a kind of method and system for recovering block chain assets, belong to block chain assets recovery technology field.Social networks are incorporated among block chain by the present invention, in a manner of intelligent contract, the assets transfer corresponding to the private key of loss into newly-generated block chain account, that is, have recovered the proprietary block chain assets of former block chain assets.
Description
Technical field
The present invention relates to block chain technical field, more particularly to a kind of method and system for recovering block chain assets.
Background technology
Block chain records digital cash, the generation of digital asset and process of exchange in a manner of decentralization, and assets (count
The symbol of value of any block chain such as word currency, digital asset) owner possesses private key corresponding to the assets.If prove
The ownership of assets, it is only necessary to make a signature computing, then raw information, result of signing and public affairs to some information of private key
Key is disclosed away, and anyone can be verified with the public key to the signing messages, is verified, and can prove to provide
The ownership of production.If ownership of assets will be shifted (i.e. block chain is merchandised), assets owner is handed over block chain with private key
Easy content is signed, and then transaction content, result of signing, and public key are broadcasted together, the block chain of block chain
Checking node verifies that the ownership of the assets has just been transferred to the reception of block chain transaction after being verified to transaction
Person.
In system in block chain, possess private key and mean that " ownership " for possessing assets.But the private of block chain
Key is that a string length is at least 256, skimble-skamble numeral, and individual can not possibly memoriter keep this private key firmly in mind for a long time,
Typically private key is stored on certain medium, hard disk such as be present and either on USB flash disk or be printed upon on paper.Once storage
Medium is lost, or damage, it is meant that private key lost.Private key, according to the technical principle of block chain, is somebody's turn to do once thoroughly losing
Assets also can not be just traded forever, and the owner of block chain assets can suffer huge economic loss.
To solve the above problems, the solution that prior art uses is how to protect private key not lose, but these sides
Following defect in itself be present in case：Once private key is thoroughly lost, existing technology is can not to recover private key, and then recovers assets.
Social networks are incorporated among block chain by the present invention, in a manner of intelligent contract, corresponding to the private key of loss
Assets transfer into newly-generated block chain account, that is, recovered the proprietary block chain assets of former block chain assets.
The content of the invention
It is an object of the invention to provide a kind of method and system for recovering block chain assets, solve in the prior art once
Private key lose so that lose property the problem of, the present invention can when private key is lost by assets transfer corresponding to the private key to newly
In block chain account, assets corresponding to the private key are recovered.
To solve the above problems, the first aspect of the present invention provides a kind of method for recovering block chain assets, this method
Including：
Step S110, ask and authenticate to report the loss when block chain management node receives reporting the loss for the former account of client transmission
When claimant is the legal owner of former account, the account creation request for creating New Account is sent to client；
Step S120, created when block chain management node receives client based on the New Account that account creation request returns
During success message, the checking request of former Account Closure and New Account bindings is sent to block chain checking node；
Step S130, when block chain checking node receives the checking request, verify the former Account Closure and new
The legitimacy of account bindings；
Step S140, if checking is legal, New Account is write former block chain node by block chain management node, so as to former account
Family is failed, and New Account comes into force, and returning to New Account to client comes into force information；
Step S150, client receive the New Account come into force information when, the intelligent contract of generation is signed, to
Intelligent contract after block chain network broadcasting multisignatures, wherein, the intelligent contract includes guarantee information content；
Step S160, when block chain checking node receives the guarantee information of respective numbers, verify intelligence after the signature
The legitimacy of energy contract；
Step S170, if intelligent contract is legal after the signature, legal block chain node turns the assets in former account
Move to New Account.
Further, before block chain management node sends the account creation request for creating New Account to client, also
Including：
Step S10, client report the loss request to the former account of block chain management node transmission；
Step S20, what block chain management node received former account reports the loss request, according to report the loss the certificate information of claimant with
Biological information with verify report the loss claimant whether be former account legal owner；
Step S30, if so, block chain management node sends the account creation request for creating New Account to client.
Further, former Account Closure and New Account binding behaviour are sent to block chain checking node in block chain management node
Before the checking request of work, in addition to：
Step S40, when client receives the account creation request of New Account, create New Account, when New Account create into
During work(, send New Account to block chain management node and create success message；
Step S50, when block chain management node receives New Account establishment success message, sent to block chain checking node
Former Account Closure and the checking request of New Account bindings.
Further, the certificate information includes：At least one of identity card, passport, driver's license, the biological information
Including：At least one of face, fingerprint, iris.
Further, verifying the content of the legitimacy of intelligent contract after the signature includes：
Whether the legitimacy of former account, legitimacy, the remaining sum of former account, the remaining sum of former account of transaction of former account are enough
The expense of payment guarantee people and block chain checking node, guarantor assure the conjunction of the legitimacy, the quantity of guarantor of operation
Method, the legitimacy of New Account, block chain management node nullify the legitimacy of former account and binding New Account operation, client hair
At least one of legitimacy of assets transfer risen.
A kind of system for recovering block chain assets is provided according to another aspect of the present invention, including：Client, block
Chain management node, block chain checking node and legal block chain node；
The block chain management node, the reporting the loss for former account for receiving client transmission when block chain management node please
When asking and authenticating to that to report the loss claimant be the legal owner of former account, sent to client create the account creation of New Account please
Ask；
It is additionally operable to when receiving the New Account establishment success message that client is returned based on the account creation request, to
Block chain checking node sends the checking request for wrapping former Account Closure and New Account bindings；
The block chain verifies node, for when receiving the checking request, verifying the former Account Closure and new
The legitimacy of account bindings；
If it is legal that the block chain management node is additionally operable to checking, New Account is write into former block chain node, so as to former
Account fails, and New Account comes into force, and returning to New Account to client comes into force information；
The client, be additionally operable to receive the New Account come into force information when, the intelligent contract of generation is signed,
Intelligent contract after to block chain network broadcasting multisignatures, wherein, the intelligent contract includes guarantee information content；
The block chain verifies node, is additionally operable to when receiving the guarantee information of respective numbers, after verifying the signature
The legitimacy of intelligent contract；
The legal block chain node, if being additionally operable to, intelligent contract after the signature is legal, and legal block chain node will
Assets transfer in former account is to New Account.
Further, the block chain management node to client send create New Account account creation request it
Before, client and block chain management node also perform following operation：
Client reports the loss request to the former account of block chain management node transmission；
The former account of block chain management node reception reports the loss request, according to the certificate information and biological information for reporting the loss claimant
With checking report the loss claimant whether be former account legal owner；
If so, block chain management node sends the account creation request for creating New Account to client.
Further, the block chain management node is tied up to the former Account Closure of block chain checking node transmission and New Account
Surely before the checking request operated, client and block chain management node also perform following operation：
When client receives the account creation request of New Account, New Account is created, when New Account creates successfully, to area
Block chain management node sends New Account and creates success message；
When block chain management node receives New Account establishment success message, send former account to block chain checking node and note
The checking request of pin and New Account bindings.
Further, the certificate information includes：At least one of identity card, passport, driver's license, the biological information
Including：At least one of face, fingerprint, iris.
Further, verifying the content of the legitimacy of intelligent contract after the signature includes：
Whether the legitimacy of former account, legitimacy, the remaining sum of former account, the remaining sum of former account of transaction of former account are enough
The expense of payment guarantee people and block chain checking node, guarantor assure the conjunction of the legitimacy, the quantity of guarantor of operation
Method, the legitimacy of New Account, block chain management node nullify the legitimacy of former account and binding New Account operation, client hair
At least one of legitimacy of assets transfer risen.
The above-mentioned technical proposal of the present invention has following beneficial technique effect：
The present invention is by the way that social networks are incorporated among block chain, in a manner of intelligent contract, the private key institute of loss
Corresponding assets transfer has recovered the proprietary block chain assets of former block chain assets into newly-generated block chain account.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the method for recovery block chain assets according to a first embodiment of the present invention；
Fig. 2 is the schematic flow sheet sent before account creation request according to a second embodiment of the present invention；
Fig. 3 be transmission checking request according to a third embodiment of the present invention before schematic flow sheet；
Fig. 4 is the structural representation of the system of the recovery block chain assets of the present invention.
Embodiment
To make the object, technical solutions and advantages of the present invention of greater clarity, with reference to embodiment and join
According to accompanying drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair
Bright scope.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring this
The concept of invention.
It should be noted that：Block chain assets owner, refers to the natural person for possessing block chain assets or mechanism, and it is private
Key, public key are referred to as former private key, former public key；
The proprietary good friend of block chain assets, refer generally to its friend, or the people of block chain transaction occurred in the past.This is good
Friend possesses block chain assets, and is ready to recover the assets of loss as " guarantee " with the block chain assets of oneself
Block chain management node, be responsible for initial issue block chain assets, carry out block chain assets owner real-name authentication,
Block chain account such as reports the loss, locked at the mechanism of management work, such as the Central Bank temporarily.Management organization is " the super management of block chain
Member "
Block chain verifies node：It is responsible for the block chain node of block chain book keeping operation.
Legal block chain node, refer to the node of book keeping operation power for obtaining block chain account book
Fig. 1 is the schematic flow sheet of the method for recovery block chain assets according to a first embodiment of the present invention.
As shown in figure 1, the method for the recovery block chain assets of the first embodiment of the present invention includes：
Step S110, ask and authenticate to report the loss when block chain management node receives reporting the loss for the former account of client transmission
When claimant is the legal owner of former account, the account creation request for creating New Account is sent to client；
Step S120, created when block chain management node receives client based on the New Account that account creation request returns
During success message, the checking request of former Account Closure and New Account bindings is sent to block chain checking node；
Step S130, when block chain checking node receives the checking request, verify the former Account Closure and new
The legitimacy of account bindings；
Step S140, if checking is legal, New Account is write into former block chain node, so as to which former account fails, New Account
Come into force, returning to New Account to client comes into force information；
Step S150, client receive the New Account come into force information when, the intelligent contract of generation is signed, to
Intelligent contract after block chain network broadcasting multisignatures, wherein, the intelligent contract includes guarantee information content；
Step S160, when block chain checking node receives the guarantee information of respective numbers, verify intelligence after the signature
The legitimacy of energy contract；Wherein, verifying the content of the legitimacy of intelligent contract after the signature includes：The legitimacy of former account,
Whether the legitimacy of the transaction of former account, the remaining sum of former account, the remaining sum of former account are enough payment guarantee people and the checking of block chain
The expense of node, guarantor carry out assuring the legitimacy of operation, the legitimacy of the quantity of guarantor, the legitimacy of New Account, area
Block chain management node is nullified former account and bound in the legitimacy of New Account operation, the legitimacy for the assets transfer that client is initiated
At least one.
Step S170, if intelligent contract is legal after the signature, legal block chain node turns the assets in former account
Move to New Account.
Fig. 2 is the schematic flow sheet sent before account creation request according to a second embodiment of the present invention.
As shown in Fig. 2 in a second embodiment, the account for creating New Account is sent to client in block chain management node
Before request to create, in addition to：
Step S10, client report the loss request to the former account of block chain management node transmission；
Step S20, what block chain management node received former account reports the loss request, according to report the loss the certificate information of claimant with
Biological information with verify report the loss claimant whether be former account legal owner；The certificate information includes：Identity card, shield
According at least one of, driver's license, the biological information includes：At least one of face, fingerprint, iris.
Step S30, if so, block chain management node sends the account creation request for creating New Account to client.
Fig. 3 be transmission checking request according to a third embodiment of the present invention before schematic flow sheet.
As shown in figure 3, in the third embodiment, send former account to block chain checking node in block chain management node and note
Before the checking request of pin and New Account bindings, in addition to：
Step S40, when client receives the account creation request of New Account, create New Account, when New Account create into
During work(, send New Account to block chain management node and create success message；
Step S50, when block chain management node receives New Account establishment success message, sent to block chain checking node
Former Account Closure and the checking request of New Account bindings.
The operating process of the present invention is as follows：
Step S1, client report the loss request to the former account of block chain management node transmission；
Step S2, what block chain management node received former account reports the loss request, according to report the loss the certificate information of claimant with
Biological information with verify report the loss claimant whether be former account legal owner；
Step S3, if so, block chain management node sends the account creation request for creating New Account to client.
Step S4, when client receives the account creation request of New Account, New Account is created, when New Account creates successfully
When, send New Account to block chain management node and create success message；
Step S5, when block chain management node receives New Account establishment success message, sent to block chain checking node
Former Account Closure and the checking request of New Account bindings；
Step S6, when block chain checking node receives the checking request, verify the former Account Closure and new account
The legitimacy of family bindings；
Step S7, if checking is legal, New Account is write former block chain node by block chain management node, so as to former account
Failure, New Account comes into force, and returning to New Account to client comes into force information；
Step S8, client receive the New Account come into force information when, the intelligent contract of generation is signed, to area
Intelligent contract after block chain network broadcasting multisignatures, wherein, the intelligent contract includes guarantee information content；
Step S9, when block chain checking node receives the guarantee information of respective numbers, verify intelligence after the signature
The legitimacy of contract；
Step S10, if intelligent contract is legal after the signature, legal block chain node is by the assets transfer in former account
To New Account.
If above verification process has any one not to be verified, next step is not performed.
Specifically, after block chain assets owner loses private key, former account is reported the loss to block chain management node application.Area
Block chain management node will examine the legitimacy of former account, and lawful document (such as identity card, the passport of claimant are reported the loss by checking
Deng), and biological information (face, fingerprint, iris etc.) come confirm applicant whether be former account legal owner.If close
Method owner, then report the loss claimant and create New Account (reporting the loss the private key that claimant will ensure to possess New Account).Block chain management
Node verifies that the transaction of former account, binding New Account is nullified in node application to block chain.Nullifying former account, the new account of binding can be with
Implemented by an intelligent contract, or implemented by the block chain agreement made in advance.On block chain, nullify former
Account, the new account of binding occur in the transaction of same block chain.Block chain checking node wants verification management mechanism to issue
The former account of cancellation, the new account of binding transaction legitimacy, once being verified, New Account will be written to former block chain
In, former account failure, new account comes into force.Report the loss after the New Accounts such as claimant come into force, initiate the intelligence conjunction of an assets transfer
About, the input of the intelligent contract is exactly the former account of cancellation, the new account of binding that block chain management node is issued on block chain
Transaction.The intelligent contract is to the effect that：I needs several good friends for by my faith (block chain protocol requirement at least three good friend
As guarantor), the digital asset in former block chain account is returned in new account, if be successfully recovered, I is ready to be every
Individual guarantor pays a number of assets in reward, while the checking node for paying the good authentication intelligent contract is certain
The assets of quantity are in reward.Report the loss after claimant generates the intelligent contract, signed with the private key of new account, then
Broadcasted comprising the intelligent contract including signed data, new account public key in block chain network.Report the loss some of claimant
If good friend is ready to assure the intelligent contract (while obtaining corresponding remuneration), with regard to being carried out with the private key of oneself to the intelligent contract
Signature Confirmation, then signature is broadcasted in block chain network.If block chain checking node is ready to verify that the intelligence is closed
About (while obtaining corresponding remuneration), wait and be collected into after the guarantee for meeting contract quantitative requirement signature, just to the intelligent contract
Carry out legitimate verification.The content of checking includes but is not limited to：The legitimacy of former account, the transaction legitimacy of former account, and count
The remaining sum of former account is calculated, whether the remaining sum of former account is enough the expense of payment guarantee people and block chain checking node, new account
Legitimacy, block chain management node nullify former account, the new account of binding transaction legitimacy, the assets that account owner initiates
The legitimacy of intelligent contract, the legitimacy for the transaction that guarantor is assured are shifted, whether the quantity of guarantor meets that contract will
Ask, and meet the minimum requirements of block chain agreement, whether assets transfer intelligence contract is effective.Block chain protocol requirement contract is issued
If not being verified success after 72 hours, then contract ceases to be in force automatically.Wherein, multiple assets shift the checking of intelligent contract
Node, independently verified.After intelligent contract is proved to be successful, checking node will also compete the book keeping operation of block chain account book
Power, book keeping operation power is only obtained, can be that new account, guarantor and this checking node write new money in new block chain
Production.
Fig. 4 is the structural representation of the system of the recovery block chain assets of the present invention.
As shown in figure 4, the fourth embodiment of the present invention provides a kind of system for recovering block chain assets, including：Client
End 100, block chain management node 200, block chain checking node 300 and legal block chain node 400；
The block chain management node 200, for receiving the former account of the transmission of client 100 when block chain management node 200
When reporting the loss request and authenticating to that to report the loss claimant be the legal owner of former account of family, sends to client 100 and creates new account
The account creation request at family；
It is additionally operable to work as and receives the New Account establishment success message that client 100 is returned based on the account creation request
When, the checking request for wrapping former Account Closure and New Account bindings is sent to block chain checking node 300；
The block chain verifies node 300, for when receiving the checking request, verify the former Account Closure and
The legitimacy of New Account bindings；
If it is legal that the block chain management node 200 is additionally operable to checking, New Account is write into former block chain node, so as to
The failure of former account, New Account come into force, and returning to New Account to client 100 comes into force information；
The client 100, be additionally operable to receive the New Account come into force information when, the intelligent contract of generation is signed
Name, to block chain network broadcasting multisignatures after intelligent contract, wherein, the intelligent contract include guarantee information content；
The block chain verifies node 300, is additionally operable to, when receiving the guarantee information of respective numbers, verify the signature
The legitimacy of intelligent contract afterwards；Wherein, verifying the content of the legitimacy of intelligent contract after the signature includes：Former account it is legal
Whether property, legitimacy, the remaining sum of former account, the remaining sum of former account of transaction of former account are enough payment guarantee people and block chain is tested
Demonstrate,prove the expense of node, guarantor assure the legitimacy of operation, the legitimacy of the quantity of guarantor, the legitimacy of New Account,
Block chain management node nullifies former account and binds the legitimacy of New Account operation, the legitimacy for the assets transfer that client is initiated
At least one of.
The legal block chain node 400, if it is legal to be additionally operable to intelligent contract after the signature, by the money in former account
Production is transferred to New Account.
In the 5th embodiment, the block chain management node 200 creates the account of New Account being sent to client 100
Before request to create, client 100 and block chain management node 200 also perform following operation：
Client 100 reports the loss request to what block chain management node 200 sent former account；
What block chain management node 200 received former account reports the loss request, according to the certificate information and biology for reporting the loss claimant
Information with verify report the loss claimant whether be former account legal owner；Wherein, the certificate information includes：Identity card, shield
According at least one of, driver's license, the biological information includes：At least one of face, fingerprint, iris.
If so, block chain management node 200 sends the account creation request for creating New Account to client 100.
In the sixth embodiment, the block chain management node 200 is sending former account note to block chain checking node 300
Before the checking request of pin and New Account bindings, client 100 and block chain management node 200 also perform following operation：
When client 100 receives the account creation request of New Account, New Account is created, when New Account creates successfully,
New Account, which is sent, to block chain management node 200 creates success message；
When block chain management node 200 receives New Account establishment success message, original is sent to block chain checking node 300
Account Closure and the checking request of New Account bindings.
As described above, describing a kind of method and system for recovering block chain assets in detail, the present invention is by the way that social activity is closed
System is incorporated among block chain, in a manner of intelligent contract, the assets transfer corresponding to the private key of loss to newly-generated area
In block chain account, that is, the proprietary block chain assets of former block chain assets are recovered.
It should be appreciated that the above-mentioned embodiment of the present invention is used only for exemplary illustration or explains the present invention's
Principle, without being construed as limiting the invention.Therefore, that is done without departing from the spirit and scope of the present invention is any
Modification, equivalent substitution, improvement etc., should be included in the scope of the protection.In addition, appended claims purport of the present invention
Covering the whole changes fallen into scope and border or this scope and the equivalents on border and repairing
Change example.
Claims (10)
- A kind of 1. method for recovering block chain assets, it is characterised in that including：Step S110, ask and authenticate to report the loss request when block chain management node receives reporting the loss for the former account of client transmission When people is the legal owner of former account, the account creation request for creating New Account is sent to client；Step S120, created successfully based on the New Account that account creation request returns when block chain management node receives client During message, the checking request of former Account Closure and New Account bindings is sent to block chain checking node；Step S130, when block chain checking node receives the checking request, verify the former Account Closure and New Account The legitimacy of bindings；Step S140, if checking is legal, New Account is write former block chain node by block chain management node, so as to which former account is lost Effect, New Account comes into force, and returning to New Account to client comes into force information；Step S150, client receive the New Account come into force information when, the intelligent contract of generation is signed, to block Intelligent contract after chain network broadcasting multisignatures, wherein, the intelligent contract includes guarantee information content；Step S160, when block chain checking node receives the guarantee information of respective numbers, intelligently closed after verifying the signature Legitimacy about；Step S170, if intelligent contract is legal after the signature, legal block chain node by the assets transfer in former account extremely New Account.
- 2. according to the method for claim 1, it is characterised in that sent in block chain management node to client and create new account Before the account creation request at family, in addition to：Step S10, client report the loss request to the former account of block chain management node transmission；Step S20, the former account of block chain management node reception reports the loss request, according to the certificate information and biology for reporting the loss claimant Information with verify report the loss claimant whether be former account legal owner；Step S30, if so, block chain management node sends the account creation request for creating New Account to client.
- 3. according to the method for claim 1, it is characterised in that sent in block chain management node to block chain checking node Before the checking request of former Account Closure and New Account bindings, in addition to：Step S40, when client receives the account creation request of New Account, New Account is created, when New Account creates successfully, New Account, which is sent, to block chain management node creates success message；Step S50, when block chain management node receives New Account establishment success message, former account is sent to block chain checking node Family is nullified and the checking request of New Account bindings.
- 4. method according to claim 1 or 2, it is characterised in that the certificate information includes：Identity card, passport, driving At least one of card, the biological information includes：At least one of face, fingerprint, iris.
- 5. according to the method any one of claim 1-3, it is characterised in that verify the conjunction of intelligent contract after the signature The content of method includes：Whether the legitimacy of former account, legitimacy, the remaining sum of former account, the remaining sum of former account of transaction of former account are enough to pay Guarantor and the block chain checking expense of node, guarantor assure the legitimacy of operation, the legitimacy of the quantity of guarantor, Legitimacy, the block chain management node of New Account nullify former account and legitimacy, the client of binding New Account operation are initiated At least one of legitimacy of assets transfer.
- A kind of 6. system for recovering block chain assets, it is characterised in that including：Client, block chain management node, block chain are tested Demonstrate,prove node and legal block chain node；The block chain management node, for when block chain management node receive client send former account report the loss request and Authenticate to and report the loss claimant when being the legal owner of former account, the account creation request for creating New Account is sent to client；It is additionally operable to when receiving the New Account establishment success message that client is returned based on the account creation request, to block Chain checking node sends the checking request for wrapping former Account Closure and New Account bindings；The block chain verifies node, for when receiving the checking request, verifying the former Account Closure and New Account The legitimacy of bindings；If it is legal that the block chain management node is additionally operable to checking, New Account is write into former block chain node, so as to former account Failure, New Account comes into force, and returning to New Account to client comes into force information；The client, be additionally operable to receive the New Account come into force information when, the intelligent contract of generation is signed, to area Intelligent contract after block chain network broadcasting multisignatures, wherein, the intelligent contract includes guarantee information content；The block chain verifies node, is additionally operable to when receiving the guarantee information of respective numbers, verifies intelligence after the signature The legitimacy of contract；The legal block chain node, if it is legal to be additionally operable to intelligent contract after the signature, by the assets transfer in former account To New Account.
- 7. system according to claim 6, it is characterised in that the block chain management node is sending establishment to client Before the account creation request of New Account, client and block chain management node also perform following operation：Client reports the loss request to the former account of block chain management node transmission；What block chain management node received former account reports the loss request, according to the certificate information and biological information for reporting the loss claimant to test Card report the loss claimant whether be former account legal owner；If so, block chain management node sends the account creation request for creating New Account to client.
- 8. system according to claim 6, it is characterised in that the block chain management node is verifying node to block chain Before the checking request for sending former Account Closure and New Account bindings, client and block chain management node also perform following Operation：When client receives the account creation request of New Account, New Account is created, when New Account creates successfully, to block chain Management node sends New Account and creates success message；When block chain management node receives New Account and creates success message, to block chain checking node send former Account Closure and The checking request of New Account bindings.
- 9. the system according to claim 6 or 7, it is characterised in that the certificate information includes：Identity card, passport, driving At least one of card, the biological information includes：At least one of face, fingerprint, iris.
- 10. according to the system described in claim any one of 6-8, it is characterised in that verify the conjunction of intelligent contract after the signature The content of method includes：Whether the legitimacy of former account, legitimacy, the remaining sum of former account, the remaining sum of former account of transaction of former account are enough to pay Guarantor and the block chain checking expense of node, guarantor assure the legitimacy of operation, the legitimacy of the quantity of guarantor, Legitimacy, the block chain management node of New Account nullify former account and legitimacy, the client of binding New Account operation are initiated At least one of legitimacy of assets transfer.
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