CN109670801A - A kind of digital encryption currency transfer method for block chain - Google Patents
A kind of digital encryption currency transfer method for block chain Download PDFInfo
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- CN109670801A CN109670801A CN201811502165.3A CN201811502165A CN109670801A CN 109670801 A CN109670801 A CN 109670801A CN 201811502165 A CN201811502165 A CN 201811502165A CN 109670801 A CN109670801 A CN 109670801A
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- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/04—Payment circuits
- G06Q20/06—Private payment circuits, e.g. involving electronic currency used among participants of a common payment scheme
- G06Q20/065—Private payment circuits, e.g. involving electronic currency used among participants of a common payment scheme using e-cash
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
- G06Q20/3825—Use of electronic signatures
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- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
- G06Q20/3829—Payment protocols; Details thereof insuring higher security of transaction involving key management
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- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/40—Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
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Abstract
The invention discloses a kind of digital encryption currency transfer methods for block chain, it include: user terminal to block chain network transmission digital encryption money transfer request, request includes first time stamp, the first private key signature of one or more and source transaction address and purpose transaction address；First private key signature is the private key signature of other users terminal；Block chain network reads digital encryption currency transition strategy according to source transaction address, and verifies to digital encryption money transfer request；Digital encryption currency transition strategy includes one or more first public keys and jump condition；First public key is the public key of other users terminal；If verifying is legal, digital encryption currency is transferred to purpose transaction address from source transaction address, and record trading activity, transaction terminates；Otherwise, transaction terminates.The present invention enables to user that digital encryption currency still can be used in the case where private key is lost, and avoids user by digital asset trustship in third-party platform, to improve safety.
Description
Technical field
The invention belongs to block chain fields, more particularly, to a kind of digital encryption currency transfer side for block chain
Method.
Background technique
Digital encryption currency, which refers to, does not rely on any material object, uses the digital cash of cryptographic algorithm.Block chain goes to center
Changing characteristic and algorithm itself may insure artificially manipulate the digital encryption currency by largely manufacturing.Based on cryptography
Design can make number, and just encryption currency can only be shifted or be paid by true owner, this also ensures that digital encryption currency
The anonymity of ownership and negotiation.
Digital encryption currency is broadly divided into open mining type password currency and distribution formula password figure currency, and core is special
Property be not against legal tender authority releases, the distributed data base for using nodes numerous in entire block chain network to constitute is come
Confirm and record all trading activities, distribution is according to special algorithm, by largely calculating generation, in block chain network
Each user, which is involved in, issues the currency.
However, there is some can not ignore in present digital encryption currency: firstly, without it is a kind of effective, can
The scheme of control go reply in private key for user lose the problem of, private key for user once lose, it is meant that the digital encryption goods possessed
Coin can no longer use；Secondly, user is by digital encryption currency trustship in third-party platform, it is meant that the number of oneself is provided completely
Right to use trustship is produced in third-party platform, safety is very low.
Summary of the invention
In view of the drawbacks of the prior art and Improvement requirement, the present invention provides a kind of digital encryption currency for block chain
It is intended that making user in the case where private key is lost digital encryption currency still can be used, and effectively solve in transfer method
Certainly because of user by digital asset trustship the lower problem of safety caused by third-party platform.
To achieve the above object, the present invention provides a kind of digital encryption currency transfer methods for block chain, comprising:
(1) user terminal sends digital encryption money transfer request to block chain network；
Digital cash CIPHERING REQUEST include at the first time stamp, one or more first private key signature and source transaction address and
Purpose transaction address；First private key signature is the private key signature of other users terminal；
(2) block chain network reads digital encryption currency transition strategy according to source transaction address from block chain network, and
Digital encryption money transfer request is verified；
Digital encryption currency transition strategy includes one or more first public keys, and verifying digital encryption currency transfer is asked
The no legal jump condition of Seeking Truth；First public key is the public key of other users terminal；
(3) if the verifying of digital encryption money transfer request is legal, block chain network trades digital encryption currency from source
Address is transferred to purpose transaction address, and records trading activity, is transferred to step (4)；Otherwise, step (4) are transferred to；
(4) transaction terminates.
The above-mentioned digital encryption currency transfer method for block chain, by digital encryption currency transition strategy in block
The public key that other user terminals are stored in chain network, specifies it in the digital encryption transfer request being sent in block chain network
The private key signature of its user terminal, and the verifying requested is completed using the public key of other user terminals and private key signature, both guaranteed
The safety of transaction also ensures that digital encryption currency is still available, and does not need in the case where local private key is lost
By the trustship of digital encryption currency in third-party platform, safety is further improved.
Further, in step (2), digital encryption money transfer request is verified, comprising:
The first time interval between current time and at the first time stamp is obtained, if first time interval is less than validity period threshold
Value, then decision request is not out of date；
The first private key signature is verified using the first public key, and whether decision verification result meets jump condition；
If not out of date and private key signature verification result is requested to meet jump condition, the verifying of digital encryption money transfer request
It is legal.
Further, the digital encryption currency transfer method provided by the present invention for block chain, further includes:
(S1) user terminal generates digital encryption currency transition strategy initialization requests, and is sent to block chain network；
Digital encryption currency transition strategy initialization requests include the second timestamp, local public key, local private key signature, sheet
Ground transaction address and digital encryption currency transition strategy to be stored；
(S2) block chain network verifies digital encryption currency transition strategy initialization requests, if verifying is legal,
Digital encryption currency transition strategy to be stored is stored into block chain network according to domestic transaction address, and is transferred to step
(S3)；Otherwise, it is transferred to step (S3)；
(S3) transaction terminates.
Further, step (S1) includes:
Current time is obtained as the second timestamp；
Local public key and local private key are generated according to digital cash agreement, domestic transaction address is generated according to local public key,
And local private key signature is obtained according to local private key；
Digital encryption currency transition strategy to be stored is formulated according to transfer demand；
According to the second timestamp, local public key, local private key signature, domestic transaction address and digital encryption goods to be stored
Coin transition strategy generates digital encryption currency transition strategy initialization requests, and is sent to block chain network.
Further, in step (S2), block chain network carries out digital encryption currency transition strategy initialization requests
Verifying, comprising:
The second time interval between current time and the second timestamp is obtained, if the second time interval is less than validity period threshold
Value, then decision request is not out of date；
The first transaction address is generated according to digital cash agreement and local public key, if the first transaction address and domestic transaction
Location is identical, then determines that address is legal；
It is whether legal according to digital cash agreement and local public key verifications local private key signature；
If requesting, not out of date, address is legal and private key signature verifying is legal, at the beginning of determining digital encryption currency transition strategy
Beginningization requests verification is legal.
Further, the digital encryption currency transfer method provided by the present invention for block chain, further includes:
(T1) user terminal generates the modification request of digital encryption currency transition strategy, and is sent to block chain network；
The modification request of digital encryption currency transition strategy includes third timestamp, local public key, local private key signature, local
Transaction address and digital encryption currency transition strategy to be modified；
(T2) block chain network verifies the modification request of digital encryption currency transition strategy, if verifying is legal, root
Digital encryption currency in block chain network is shifted according to domestic transaction address and digital encryption currency transition strategy to be modified
Strategy is modified, and is transferred to step (T3)；Otherwise, it is transferred to step (T3)；
(T3) transaction terminates.
Further, step (T1) includes:
Current time is obtained as third timestamp；
Local public key and local private key are generated according to digital cash agreement, domestic transaction address is generated according to local public key,
And local private key signature is obtained according to local private key；
Digital encryption currency transition strategy to be modified is formulated according to transfer demand；
According to third timestamp, local public key, local private key signature, domestic transaction address and digital encryption goods to be modified
Coin transition strategy generates the modification request of digital encryption currency transition strategy, and is sent to block chain network.
Further, in step (T2), block chain network carries out digital encryption currency transition strategy initialization requests
Verifying, comprising:
The third time interval between current time and third timestamp is obtained, if third time interval is less than validity period threshold
Value, then decision request is not out of date；
The second transaction address is generated according to digital cash agreement and local public key, if the second transaction address and domestic transaction
Location is identical, then determines that address is legal；
It is whether legal according to digital cash agreement and local public key verifications local private key signature；
If requesting, not out of date, address is legal and private key signature verifying is legal, determines that digital encryption currency transition strategy is repaired
It is legal to change requests verification.
Request mechanism is modified by digital encryption currency transition strategy initialization requests and digital encryption currency transition strategy,
So that user can customize or modify according to actual needs digital encryption currency transition strategy.And pass through stringent requests verification side
The safety of digital encryption currency transfer has been effectively ensured in method.
Further, validity period threshold value was less than 1 hour, to prevent Replay Attack, guaranteed the safety of user account；Make
For it is further preferred that validity period threshold value less than 1 minute.
Further, the digital encryption currency transfer method provided by the present invention for block chain further includes, in block
When chain network starts, disposes and start digital encryption currency transfer contract；
Digital encryption currency transfer contract is for providing logic function, to realize that block chain network turns digital encryption currency
Move storage, reading and the verifying of strategy.
In general, contemplated above technical scheme through the invention, can obtain it is following the utility model has the advantages that
(1) the digital encryption currency transfer method provided by the present invention for block chain is turned by digital encryption currency
It moves in strategy and stores the public key of other user terminals in block chain network, turn in the digital encryption being sent in block chain network
It moves in request and specifies the private key signature of other user terminals, and complete request using the public key of other user terminals and private key signature
Verifying, both ensure that the safety of transaction, also ensure that local private key lose in the case where, digital encryption currency still may be used
With, and do not need digital encryption currency trustship further improving safety in third-party platform.
(2) the digital encryption currency transfer method provided by the present invention for block chain is turned by digital encryption currency
It moves tactful initialization requests and digital encryption currency transition strategy modifies request mechanism, so that user can customize according to actual needs
Or modification digital encryption currency transition strategy.
(3) the digital encryption currency transfer method provided by the present invention for block chain, the number sent for user
Encrypt money transfer request, digital encryption currency transition strategy initialization requests and the modification request of digital encryption currency transition strategy
Stringent verification method has been formulated, the verifying of verifying, validity period including private key signature information and the verifying of address information,
Thereby ensure that the safety of digital encryption currency transfer.
Detailed description of the invention
Fig. 1 is digital encryption currency transfer method flow chart provided in an embodiment of the present invention；
Fig. 2 is the process flow diagram of digital encryption currency transition strategy initialization requests provided in an embodiment of the present invention；
Fig. 3 is the process flow diagram of digital encryption currency transition strategy provided in an embodiment of the present invention modification request.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
Not constituting a conflict with each other can be combined with each other.
The present invention provides a kind of digital encryption currency transfer method for block chain, Integral Thought is: utilizing
The non-repudiation of block chain and retrospective characteristic allow user to pass through intelligent contract (i.e. digital encryption currency shifts contract)
Define digital encryption currency transition strategy；After private key for user loss, according to transition strategy defined in contract, such as
There is the private key signature of certain two other users simultaneously, separately verifies the two private key signatures with the public key in transition strategy, thus
The digital encryption currency of user is transferred out, and this transaction is recorded in block chain network.
Digital encryption currency transfer method provided by the present invention for block chain, as shown in Figure 1, comprising:
(1) user terminal sends digital encryption money transfer request to block chain network；
Digital cash CIPHERING REQUEST include at the first time stamp, one or more first private key signature and source transaction address and
Purpose transaction address；First private key signature is the private key signature of other users terminal；
(2) block chain network reads digital encryption currency transition strategy according to source transaction address from block chain network, and
Digital encryption money transfer request is verified；
Digital encryption currency transition strategy includes one or more first public keys, and verifying digital encryption currency transfer is asked
The no legal jump condition of Seeking Truth；First public key is the public key of other users terminal；
In an optional embodiment, in step (2), digital encryption money transfer request is verified, comprising:
The first time interval between current time and at the first time stamp is obtained, if first time interval is less than validity period threshold
Value, then decision request is not out of date；
The first private key is verified using the first public key, and whether decision verification result meets jump condition；Wherein one
In kind of transition strategy, storage is there are three the first public key, and correspondingly jump condition is wherein the first public key while to be proved to be successful, then permits
Perhaps digital encryption currency is shifted；For this transition strategy, private key signature is successively verified with two public keys, to verify private key signature
Legitimacy；
If not out of date and private key verification result is requested to meet jump condition, the verifying of digital encryption money transfer request is closed
Method；
(3) if the verifying of digital encryption money transfer request is legal, block chain network trades digital encryption currency from source
Address is transferred to purpose transaction address, and records trading activity, is transferred to step (4)；Otherwise, step (4) are transferred to；
(4) transaction terminates.
The above-mentioned digital encryption currency transfer method for block chain, by digital encryption currency transition strategy in block
The public key that other user terminals are stored in chain network, specifies it in the digital encryption transfer request being sent in block chain network
The private key signature of its user terminal, and the verifying requested is completed using the public key of other user terminals and private key signature, both guaranteed
The safety of transaction also ensures that digital encryption currency is still available, and does not need in the case where local private key is lost
By the trustship of digital encryption currency in third-party platform, safety is further improved.
In order to enable user can customize digital encryption currency transition strategy according to actual needs, as shown in Fig. 2, institute of the present invention
The digital encryption currency transfer method for block chain provided, further includes:
(S1) user terminal generates digital encryption currency transition strategy initialization requests, and is sent to block chain network；
Digital encryption currency transition strategy initialization requests include the second timestamp, local public key, local private key signature, sheet
Ground transaction address and digital encryption currency transition strategy to be stored；
In an optional embodiment, step (S1) is specifically included:
Current time is obtained as the second timestamp；
Local public key and local private key are generated according to digital cash agreement, domestic transaction address is generated according to local public key,
And local private key signature is obtained according to local private key；
Digital encryption currency transition strategy to be stored is formulated according to transfer demand；
According to the second timestamp, local public key, local private key signature, domestic transaction address and digital encryption goods to be stored
Coin transition strategy generates digital encryption currency transition strategy initialization requests, and is sent to block chain network；
(S2) block chain network verifies digital encryption currency transition strategy initialization requests, if verifying is legal,
Digital encryption currency transition strategy to be stored is stored into block chain network according to domestic transaction address, and is transferred to step
(S3)；Otherwise, it is transferred to step (S3)；
In an optional embodiment, in step (S2), block chain network is at the beginning of digital encryption currency transition strategy
Beginningization request is verified, and is specifically included:
The second time interval between current time and the second timestamp is obtained, if the second time interval is less than validity period threshold
Value, then decision request is not out of date；
The first transaction address is generated according to digital cash agreement and local public key, if the first transaction address and domestic transaction
Location is identical, then determines that address is legal；
It is whether legal according to digital cash agreement and local public key verifications local private key signature；
If requesting, not out of date, address is legal and private key signature verifying is legal, at the beginning of determining digital encryption currency transition strategy
Beginningization requests verification is legal；
In order to enable user can modify digital encryption currency transition strategy according to actual needs, as shown in figure 3, institute of the present invention
The digital encryption currency transfer method for block chain provided, further includes:
(T1) user terminal generates the modification request of digital encryption currency transition strategy, and is sent to block chain network；
The modification request of digital encryption currency transition strategy includes third timestamp, local public key, local private key signature, local
Transaction address and digital encryption currency transition strategy to be modified；
In an optional embodiment, step (T1) is specifically included:
Current time is obtained as third timestamp；
Local public key and local private key are generated according to digital cash agreement, domestic transaction address is generated according to local public key,
And local private key signature is obtained according to local private key；
Digital encryption currency transition strategy to be modified is formulated according to transfer demand；
According to third timestamp, local public key, local private key signature, domestic transaction address and digital encryption goods to be modified
Coin transition strategy generates the modification request of digital encryption currency transition strategy, and is sent to block chain network；
(T2) block chain network verifies the modification request of digital encryption currency transition strategy, if verifying is legal, root
Digital encryption currency in block chain network is shifted according to domestic transaction address and digital encryption currency transition strategy to be modified
Strategy is modified, and is transferred to step (T3)；Otherwise, it is transferred to step (T3)；
In an optional embodiment, in step (T2), block chain network is at the beginning of digital encryption currency transition strategy
Beginningization request is verified, and is specifically included:
The third time interval between current time and third timestamp is obtained, if third time interval is less than validity period threshold
Value, then decision request is not out of date；
The second transaction address is generated according to digital cash agreement and local public key, if the second transaction address and domestic transaction
Location is identical, then determines that address is legal；
It is whether legal according to digital cash agreement and local public key verifications local private key signature；
If requesting, not out of date, address is legal and private key signature verifying is legal, determines that digital encryption currency transition strategy is repaired
It is legal to change requests verification；
(T3) transaction terminates.
In above method embodiment, validity period threshold value, to prevent Replay Attack, guaranteed user account less than 1 hour
Safety；Further to place Replay Attack, validity period threshold value be may be alternatively provided as less than 1 minute；It should be understood that validity period
Threshold value may be alternatively provided as other values.
Request mechanism is modified by digital encryption currency transition strategy initialization requests and digital encryption currency transition strategy,
So that user can customize or modify according to actual needs digital encryption currency transition strategy.And pass through stringent requests verification side
The safety of digital encryption currency transfer has been effectively ensured in method.
In the above-described embodiments, the digital encryption currency transfer method provided by the present invention for block chain further includes,
When block chain network starts, disposes and start digital encryption currency transfer contract；
Digital encryption currency transfer contract is for providing logic function, to realize that block chain network turns digital encryption currency
Move storage, reading and the verifying of strategy.
In the above-described embodiments, it generates the algorithm of public key and private key, generate the algorithm and benefit of transaction address using public key
It is specified by digital cash agreement with the algorithm of public key verifications private key signature, guarantee that public key can verify private key, private key can push away
Export public key, public key can derive address, on the contrary then not all right；Digital cash agreement can be bit coin agreement or other numbers
Currency agreement；The algorithm for generating public key and private key can be elliptic curve encryption algorithm or other Encryption Algorithm；It is generated according to public key
The method of transaction address, which can be public key and carry out the modes such as certain hash operation and base64 coding, generates an address,
It can be other methods.
In an optional embodiment, digital encryption currency transition strategy initialization requests and digital encryption currency turn
It is a new class of request that it is also combinable, which to move strategy modification request, but needs to add a mark in new request, is asked with distinguishing
The purpose asked is initialization digital encryption currency transition strategy or modification digital encryption currency transition strategy.
In general, reply is gone the invention proposes a kind of effective, controllable digital encryption currency transfer method and use
The problem of family private key is lost has ensured that user can use the scheme customized after private key loss and replace a new private
Key, and original digital asset is shifted；Propose a kind of transition strategy for needing not rely on third-party platform, ensure that user with
The mode of decentralization shifts digital asset, and safety obtains certain guarantee.The present invention is suitable for block catenary system user's
Private key protection can shift the digital asset of user in the case where private key is lost and intervenes without third-party platform.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of digital encryption currency transfer method for block chain characterized by comprising
(1) user terminal sends digital encryption money transfer request to block chain network；
The digital cash CIPHERING REQUEST include at the first time stamp, one or more first private key signature and source transaction address and
Purpose transaction address；First private key signature is the private key signature of other users terminal；
(2) the block chain network reads the transfer of digital encryption currency according to the source transaction address from the block chain network
Strategy, and the digital encryption money transfer request is verified；
The digital encryption currency transition strategy includes one or more first public keys, and the verifying digital encryption currency turns
Move request whether legal jump condition；First public key is the public key of other users terminal；
(3) if digital encryption money transfer request verifying is legal, the block chain network is by digital encryption currency from institute
The source transaction address of stating is transferred to the purpose transaction address, and records trading activity, is transferred to step (4)；Otherwise, it is transferred to step
(4)；
(4) transaction terminates.
2. being directed to the digital encryption currency transfer method of block chain as described in claim 1, which is characterized in that the step
(2) in, the digital encryption money transfer request is verified, comprising:
The first time interval between current time and first time stamp is obtained, if the first time interval is less than effectively
Phase threshold value, then decision request is not out of date；
First private key signature is verified using first public key, and whether decision verification result meets the transfer
Condition；
If not out of date and private key signature verification result is requested to meet the jump condition, the digital encryption money transfer request
It is legal to verify.
3. being directed to the digital encryption currency transfer method of block chain as described in claim 1, which is characterized in that further include:
(S1) user terminal generates digital encryption currency transition strategy initialization requests, and is sent to the block link network
Network；
The digital encryption currency transition strategy initialization requests include the second timestamp, local public key, local private key signature, sheet
Ground transaction address and digital encryption currency transition strategy to be stored；
(S2) the block chain network verifies the digital encryption currency transition strategy initialization requests, if verifying is closed
Method then stores digital encryption currency transition strategy to be stored to the block chain network according to the domestic transaction address
In, and it is transferred to step (S3)；Otherwise, it is transferred to step (S3)；
(S3) transaction terminates.
4. being directed to the digital encryption currency transfer method of block chain as claimed in claim 3, which is characterized in that the step
(S1) include:
Current time is obtained as second timestamp；
The local public key and local private key are generated according to digital cash agreement, the local friendship is generated according to the local public key
Easy address, and the local private key signature is obtained according to the local private key；
The digital encryption currency transition strategy to be stored is formulated according to transfer demand；
According to second timestamp, the local public key, the local private key signature, the domestic transaction address and it is described to
The digital encryption currency transition strategy of storage generates the digital encryption currency transition strategy initialization requests, and is sent to described
Block chain network.
5. being directed to the digital encryption currency transfer method of block chain as claimed in claim 3, which is characterized in that the step
(S2) in, the block chain network verifies the digital encryption currency transition strategy initialization requests, comprising:
The second time interval between current time and second timestamp is obtained, if second time interval is less than effectively
Phase threshold value, then decision request is not out of date；
The first transaction address is generated according to the digital cash agreement and the local public key, if first transaction address and institute
It is identical to state domestic transaction address, then determines that address is legal；
It is whether legal according to local private key signature described in the digital cash agreement and the local public key verifications；
If requesting, not out of date, address is legal and private key signature verifying is legal, at the beginning of determining the digital encryption currency transition strategy
Beginningization requests verification is legal.
6. being directed to the digital encryption currency transfer method of block chain as described in claim 1, which is characterized in that further include:
(T1) user terminal generates the modification request of digital encryption currency transition strategy, and is sent to the block chain network；
The digital encryption currency transition strategy modification request includes third timestamp, local public key, local private key signature, local
Transaction address and digital encryption currency transition strategy to be modified；
(T2) the block chain network verifies digital encryption currency transition strategy modification request, if verifying is legal,
Then according to the domestic transaction address and the digital encryption currency transition strategy to be modified in the block chain network
Digital encryption currency transition strategy is modified, and is transferred to step (T3)；Otherwise, it is transferred to step (T3)；
(T3) transaction terminates.
7. being directed to the digital encryption currency transfer method of block chain as claimed in claim 6, which is characterized in that the step
(T1) include:
Current time is obtained as the third timestamp；
The local public key and local private key are generated according to digital cash agreement, the local friendship is generated according to the local public key
Easy address, and the local private key signature is obtained according to the local private key；
The digital encryption currency transition strategy to be modified is formulated according to transfer demand；
According to the third timestamp, the local public key, the local private key signature, the domestic transaction address and it is described to
The digital encryption currency transition strategy of modification generates the digital encryption currency transition strategy modification request, and is sent to the area
Block chain network.
8. being directed to the digital encryption currency transfer method of block chain as claimed in claim 6, which is characterized in that the step
(T2) in, the block chain network verifies the digital encryption currency transition strategy initialization requests, comprising:
The third time interval between current time and the third timestamp is obtained, if the third time interval is less than effectively
Phase threshold value, then decision request is not out of date；
The second transaction address is generated according to the digital cash agreement and the local public key, if second transaction address and institute
It is identical to state domestic transaction address, then determines that address is legal；
It is whether legal according to local private key signature described in the digital cash agreement and the local public key verifications；
If requesting, not out of date, address is legal and private key signature verifying is legal, determines that the digital encryption currency transition strategy is repaired
It is legal to change requests verification.
9. as claim 2,5 or 8 described in any item digital encryption currency transfer methods for block chain, feature exist
In the validity period threshold value was less than 1 hour.
10. being directed to the digital encryption currency transfer method of block chain as described in claim 1, which is characterized in that further include,
When the block chain network starts, disposes and start digital encryption currency transfer contract；
The digital encryption currency transfer contract is for providing logic function, to realize that the block chain network adds the number
Storage, reading and the verifying of close currency transition strategy.
Priority Applications (1)
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| CN110351081A (en) * | 2019-07-12 | 2019-10-18 | 上海翎阳网络科技有限公司 | Monetary assets management method and system |
| CN110414981A (en) * | 2019-07-04 | 2019-11-05 | 华中科技大学 | A kind of homomorphic cryptography method that supporting ZKPs and block chain transaction amount encryption method |
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| CN113506104B (en) * | 2021-05-07 | 2024-03-01 | 杭州宇链科技有限公司 | Signature generation and verification modes and system combining software and hardware |
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