CN113469690A - Transaction settlement method based on block chain - Google Patents
Transaction settlement method based on block chain Download PDFInfo
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- CN113469690A CN113469690A CN202110837494.9A CN202110837494A CN113469690A CN 113469690 A CN113469690 A CN 113469690A CN 202110837494 A CN202110837494 A CN 202110837494A CN 113469690 A CN113469690 A CN 113469690A
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000012795 verification Methods 0.000 claims abstract description 35
- 239000003999 initiator Substances 0.000 claims abstract description 30
- 238000012790 confirmation Methods 0.000 claims abstract description 6
- 230000000977 initiatory effect Effects 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- 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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—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
- G06Q20/401—Transaction verification
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
- G06Q40/04—Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange
Abstract
The invention discloses a transaction settlement method based on a block chain, which comprises the following steps: the transaction initiator generates a transaction order to the transaction receiver through the transaction third party and uploads the transaction order to a block chain of a preset intelligent contract; the transaction receiver pays the commodity guarantee amount and carries out a first digital signature; the transaction initiator pays the amount of the commodity and carries out a second digital signature; the transaction third-party agent checks the transaction order of the first digital signature, the transaction order of the second digital signature, the commodity amount and the commodity guarantee amount for the first time; the first verification is passed, the transaction receiver sends the commodity on the transaction order, the transaction initiator signs and checks the commodity, a third digital signature is carried out after the checking and the confirmation, and the transaction third party carries out a second verification on the transaction order with the third digital signature and the transaction order with the second digital signature; and if the second verification is passed, the transaction third party transfers the commodity amount to the transaction receiver. The invention improves the safety of transaction settlement through two times of verification.
Description
Technical Field
The invention relates to the technical field of block chains, in particular to a transaction settlement method based on a block chain.
Background
The blockchain is widely applied to a financial system as a bottom layer technology at present as a distributed account book technology. In the financial business system, the safety of the block chain-based settlement business is still a big problem in the current technology.
Disclosure of Invention
The invention aims to provide a transaction settlement method based on a block chain, which improves the security of transaction settlement through two times of verification.
In order to achieve the purpose, the invention provides the following scheme:
a blockchain based transaction settlement method, comprising:
a transaction initiator initiates a transaction intention to a transaction receiver through a transaction third party to generate a transaction order and uploads the transaction order to a block chain, wherein an intelligent contract is preset on the block chain;
the transaction receiver pays the commodity guarantee amount on the transaction order and carries out a first digital signature on the transaction order; meanwhile, the transaction initiator pays the amount of the commodity on the transaction order and carries out a second digital signature on the transaction order; the transaction third party manages the commodity amount and the commodity guarantee amount and performs first verification on the transaction order of the first digital signature, the transaction order of the second digital signature, the commodity amount and the commodity guarantee amount;
if the transaction order is verified for the first time, the transaction receiving party sends the commodity on the transaction order to the transaction initiating party, the transaction initiating party signs and checks the commodity on the transaction order, a third digital signature is carried out on the transaction order after checking and confirmation, and the transaction third party carries out a second verification on the transaction order with the third digital signature and the transaction order with the second digital signature;
and if the transaction order is verified for the second time, the transaction third party transfers the commodity amount paid by the transaction initiator to the transaction receiver.
Optionally, the transaction third party is a banking department.
Optionally, the first verification of the trade order with the first digital signature, the trade order with the second digital signature, the commodity amount, and the commodity guarantee amount specifically includes:
the amount of the commodity on the transaction order for the first digital signature matches the amount of the commodity paid by the transaction initiator;
the commodity transaction amount of the transaction order with the second digital signature is matched with the commodity guarantee amount of the transaction order paid by the transaction receiver, wherein the commodity transaction amount is specified in the intelligent contract;
the first digital signature on the transaction order matches an authentication signature of the transaction recipient on a blockchain;
the second digital signature on the transaction order matches an authentication signature of the transaction initiator on a blockchain.
Optionally, the second verification of the third digitally signed order and the second digitally signed order by the transaction third party specifically includes:
the third digital signature on the trade order matches the second digital signature on the trade order.
Optionally, the transaction third party performs a second verification on the transaction order with the third digital signature and the transaction order with the second digital signature, and further includes:
if the third digital signature on the transaction order is not matched with the second digital signature on the transaction order, the transaction third party verifies whether the third digital signature is authorized by the transaction initiator;
if the transaction initiator authorizes the transaction, the second verification is passed, otherwise, the verification fails.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects: the invention provides a transaction settlement method based on a block chain, which comprises the following steps: the transaction initiator generates a transaction order to the transaction receiver through the transaction third party and uploads the transaction order to a block chain of a preset intelligent contract; the transaction receiver pays the commodity guarantee amount and carries out a first digital signature; the transaction initiator pays the amount of the commodity and carries out a second digital signature; the transaction third-party agent checks the transaction order of the first digital signature, the transaction order of the second digital signature, the commodity amount and the commodity guarantee amount for the first time; the first verification is passed, the transaction receiver sends the commodity on the transaction order, the transaction initiator signs and checks the commodity, a third digital signature is carried out after the checking and the confirmation, and the transaction third party carries out a second verification on the transaction order with the third digital signature and the transaction order with the second digital signature; and if the second verification is passed, the transaction third party transfers the commodity amount to the transaction receiver. The invention improves the safety of transaction settlement through two times of verification.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
Fig. 1 is a flowchart of a transaction settlement method based on a blockchain according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a transaction settlement method based on a block chain, which improves the security of transaction settlement through two times of verification.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Fig. 1 is a flowchart of a transaction settlement method based on a block chain according to an embodiment of the present invention, and as shown in fig. 1, the transaction settlement method based on a block chain according to an embodiment of the present invention includes:
a transaction initiator initiates a transaction intention to a transaction receiver through a transaction third party to generate a transaction order and uploads the transaction order to a block chain, wherein an intelligent contract is preset on the block chain;
the transaction receiver pays the commodity guarantee amount on the transaction order and carries out a first digital signature on the transaction order; meanwhile, the transaction initiator pays the amount of the commodity on the transaction order and carries out a second digital signature on the transaction order; the transaction third party manages the commodity amount and the commodity guarantee amount and performs first verification on the transaction order of the first digital signature, the transaction order of the second digital signature, the commodity amount and the commodity guarantee amount;
if the transaction order is verified for the first time, the transaction receiving party sends the commodity on the transaction order to the transaction initiating party, the transaction initiating party signs and checks the commodity on the transaction order, a third digital signature is carried out on the transaction order after checking and confirmation, and the transaction third party carries out a second verification on the transaction order with the third digital signature and the transaction order with the second digital signature;
and if the transaction order is verified for the second time, the transaction third party transfers the commodity amount paid by the transaction initiator to the transaction receiver.
The transaction third party is a banking department.
The first verification of the trade order with the first digital signature, the trade order with the second digital signature, the commodity amount, and the commodity guarantee amount specifically includes:
the amount of the commodity on the transaction order for the first digital signature matches the amount of the commodity paid by the transaction initiator;
the commodity transaction amount of the transaction order with the second digital signature is matched with the commodity guarantee amount of the transaction order paid by the transaction receiver, wherein the commodity transaction amount is specified in the intelligent contract;
the first digital signature on the transaction order matches an authentication signature of the transaction recipient on a blockchain;
the second digital signature on the transaction order matches an authentication signature of the transaction initiator on a blockchain.
The second verification of the third digitally signed order and the second digitally signed order by the transaction third party specifically comprises:
the third digital signature on the trade order matches the second digital signature on the trade order.
The transaction third party performing a second verification of the third digitally signed transaction order and the second digitally signed transaction order, further comprising:
if the third digital signature on the transaction order is not matched with the second digital signature on the transaction order, the transaction third party verifies whether the third digital signature is authorized by the transaction initiator;
if the transaction initiator authorizes the transaction, the second verification is passed, otherwise, the verification fails.
The invention provides a transaction settlement method based on a block chain, which comprises the following steps: the transaction initiator generates a transaction order to the transaction receiver through the transaction third party and uploads the transaction order to a block chain of a preset intelligent contract; the transaction receiver pays the commodity guarantee amount and carries out a first digital signature; the transaction initiator pays the amount of the commodity and carries out a second digital signature; the transaction third-party agent checks the transaction order of the first digital signature, the transaction order of the second digital signature, the commodity amount and the commodity guarantee amount for the first time; the first verification is passed, the transaction receiver sends the commodity on the transaction order, the transaction initiator signs and checks the commodity, a third digital signature is carried out after the checking and the confirmation, and the transaction third party carries out a second verification on the transaction order with the third digital signature and the transaction order with the second digital signature; and if the second verification is passed, the transaction third party transfers the commodity amount to the transaction receiver. The invention improves the safety of transaction settlement through two times of verification.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (5)
1. A blockchain based transaction settlement method, comprising:
a transaction initiator initiates a transaction intention to a transaction receiver through a transaction third party to generate a transaction order and uploads the transaction order to a block chain, wherein an intelligent contract is preset on the block chain;
the transaction receiver pays the commodity guarantee amount on the transaction order and carries out a first digital signature on the transaction order; meanwhile, the transaction initiator pays the amount of the commodity on the transaction order and carries out a second digital signature on the transaction order; the transaction third party manages the commodity amount and the commodity guarantee amount and performs first verification on the transaction order of the first digital signature, the transaction order of the second digital signature, the commodity amount and the commodity guarantee amount;
if the transaction order is verified for the first time, the transaction receiving party sends the commodity on the transaction order to the transaction initiating party, the transaction initiating party signs and checks the commodity on the transaction order, a third digital signature is carried out on the transaction order after checking and confirmation, and the transaction third party carries out a second verification on the transaction order with the third digital signature and the transaction order with the second digital signature;
and if the transaction order is verified for the second time, the transaction third party transfers the commodity amount paid by the transaction initiator to the transaction receiver.
2. The blockchain-based transaction settlement method of claim 1, wherein the transaction third party is a banking department.
3. The blockchain-based transaction settlement method according to claim 1, wherein the first verification of the transaction order with the first digital signature, the transaction order with the second digital signature, the amount of the commodity, and the amount of the commodity guarantee includes:
the amount of the commodity on the transaction order for the first digital signature matches the amount of the commodity paid by the transaction initiator;
the commodity transaction amount of the transaction order with the second digital signature is matched with the commodity guarantee amount of the transaction order paid by the transaction receiver, wherein the commodity transaction amount is specified in the intelligent contract;
the first digital signature on the transaction order matches an authentication signature of the transaction recipient on a blockchain;
the second digital signature on the transaction order matches an authentication signature of the transaction initiator on a blockchain.
4. The blockchain-based transaction settlement method according to claim 1, wherein the transaction third party performs a second verification of the third digitally signed order and the second digitally signed order, and specifically comprises:
the third digital signature on the trade order matches the second digital signature on the trade order.
5. The blockchain-based transaction settlement method of claim 4, wherein the third party to the transaction performs a second verification of the third digitally signed transaction order and the second digitally signed transaction order, further comprising:
if the third digital signature on the transaction order is not matched with the second digital signature on the transaction order, the transaction third party verifies whether the third digital signature is authorized by the transaction initiator;
if the transaction initiator authorizes the transaction, the second verification is passed, otherwise, the verification fails.
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