CN112819629A - Digital currency transaction method and system based on intelligent contract - Google Patents
Digital currency transaction method and system based on intelligent contract Download PDFInfo
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- G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
- G06Q40/04—Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange
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- 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
- G06Q20/40—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
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Abstract
The invention provides a digital currency transaction method and a system based on an intelligent contract, wherein the method comprises the following steps: the payer wallet acquires digital currency to be paid and acquires intelligent contract data; sending transaction data to a payee wallet; the purse of the payee receives the transaction data and acquires the verification data generated by the signature party; the payee wallet sends a transaction record to the server, wherein the transaction record comprises: the method comprises the steps of paying digital currency, intelligent contract data, a first intelligent contract signature, a second intelligent contract signature and verification data; the server verifies the transaction record, generates issuing digital currency after the transaction record passes the verification, and sends the issuing digital currency to the payee wallet, wherein the verifying the transaction record comprises the following steps: verifying the second intelligent contract signature by using the verification data and the intelligent contract data, verifying the first intelligent contract signature and verifying the digital currency to be paid; the payee wallet receives the issued digital currency and stores the issued digital currency.
Description
Technical Field
The invention relates to the technical field of electronics, in particular to a digital currency transaction method and a digital currency transaction system based on an intelligent contract.
Background
In the transaction process, the conventional contract mode is adopted, both parties are required to seal the contract signing, the contract signing is not convenient and fast under the paperless condition, and meanwhile, when a certain money is paid, the money paid for the contract cannot be guaranteed.
However, today that smart contracts and digital currencies are more and more popular, how to ensure that payment of digital currencies is payment for specific contracts becomes a problem to be solved urgently.
Disclosure of Invention
The present invention is directed to solving the above problems.
The invention mainly aims to provide a digital currency transaction method based on intelligent contracts;
it is another object of the present invention to provide a digital currency transaction system based on smart contracts.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
one aspect of the present invention provides a digital currency transaction method based on an intelligent contract, including: the payer wallet acquires digital currency to be paid and acquires intelligent contract data; the payer wallet sends transaction data to the payee wallet, wherein the transaction data includes: the method comprises the steps that digital currency to be paid, intelligent contract data, a first intelligent contract signature obtained by signing the intelligent contract data by a payer purse and a second intelligent contract signature obtained by signing the intelligent contract data by a signing party are obtained; the purse of the payee receives the transaction data and acquires the verification data generated by the signature party; the payee wallet sends a transaction record to the server, wherein the transaction record comprises: the method comprises the steps of paying digital currency, intelligent contract data, a first intelligent contract signature, a second intelligent contract signature and verification data; the server verifies the transaction record, generates issuing digital currency after the transaction record passes the verification, and sends the issuing digital currency to the payee wallet, wherein the verifying the transaction record comprises the following steps: verifying the second intelligent contract signature by using the verification data and the intelligent contract data, verifying the first intelligent contract signature and verifying the digital currency to be paid; the payee wallet receives the issued digital currency and stores the issued digital currency.
Wherein the transaction record further comprises: the payee wallet is used for signing the digital currency to be paid, the intelligent contract data, the first intelligent contract signature, the second intelligent contract signature and the verification data to obtain a transaction signature; validating the transaction record further comprises: the transaction signature is verified.
In another aspect, the present invention provides a digital currency transaction method based on an intelligent contract, including: the payer wallet acquires digital currency to be paid and acquires intelligent contract data; the payer wallet sends transaction data to the payee wallet, wherein the transaction data includes: the intelligent contract payment system comprises digital currency to be paid, intelligent contract data, an intelligent contract signature obtained by signing the intelligent contract data by a payer purse, and a verification signature obtained by signing the digital currency to be paid, the intelligent contract data and the intelligent contract signature by an intelligent contract platform; the purse of the payee receives the transaction data and acquires the verification data generated by the intelligent contract platform; the payee wallet sends a transaction record to the server, wherein the transaction record comprises: the method comprises the steps of paying digital currency, intelligent contract data, an intelligent contract signature, a verification signature and verification data; the server verifies the signature by using the verification data, verifies the signature of the intelligent contract, verifies the digital currency to be paid, generates issuing digital currency after the verification of the signature of the intelligent contract is passed, and sends the issuing digital currency to the wallet of the payee; the payee wallet receives the issued digital currency and stores the issued digital currency.
Wherein the transaction record further comprises: the purse of the payee signs the digital currency to be paid, the intelligent contract data, the intelligent contract signature, the verification signature and the verification data to obtain a transaction signature; validating the transaction record further comprises: the transaction signature is verified.
Yet another aspect of the present invention provides a smart contract-based digital currency transaction system, comprising: a payer wallet for acquiring digital money to be paid and acquiring smart contract data; sending transaction data to a payee wallet, wherein the transaction data comprises: the method comprises the steps that digital currency to be paid, intelligent contract data, a first intelligent contract signature obtained by signing the intelligent contract data by a payer purse and a second intelligent contract signature obtained by signing the intelligent contract data by a signing party are obtained; the payee wallet is used for receiving transaction data and acquiring verification data generated by the signature party; sending a transaction record to a server, wherein the transaction record comprises: the method comprises the steps of paying digital currency, intelligent contract data, a first intelligent contract signature, a second intelligent contract signature and verification data; the server is used for verifying the transaction record, generating issuing digital currency after the transaction record passes the verification, and sending the issuing digital currency to the payee wallet, wherein the transaction record verification comprises the following steps: verifying the second intelligent contract signature by using the verification data and the intelligent contract data, verifying the first intelligent contract signature and verifying the digital currency to be paid; the payee wallet is also used for receiving and storing the issued digital currency.
Wherein the transaction record further comprises: the payee wallet is used for signing the digital currency to be paid, the intelligent contract data, the first intelligent contract signature, the second intelligent contract signature and the verification data to obtain a transaction signature; validating the transaction record further comprises: the transaction signature is verified.
In still another aspect, the present invention provides a digital currency transaction system based on smart contracts, including: a payer wallet for acquiring digital money to be paid and acquiring smart contract data; sending transaction data to a payee wallet, wherein the transaction data comprises: the intelligent contract payment system comprises digital currency to be paid, intelligent contract data, an intelligent contract signature obtained by signing the intelligent contract data by a payer purse, and a verification signature obtained by signing the digital currency to be paid, the intelligent contract data and the intelligent contract signature by an intelligent contract platform; the payee wallet is used for receiving the transaction data and acquiring verification data generated by the intelligent contract platform; sending a transaction record to a server, wherein the transaction record comprises: the method comprises the steps of paying digital currency, intelligent contract data, an intelligent contract signature, a verification signature and verification data; the server is used for verifying the signature by using the verification data, verifying the intelligent contract signature, verifying the digital currency to be paid, generating issuing digital currency after the verification passes, and sending the issuing digital currency to the purse of the payee; the payee wallet is also used for receiving and storing the issued digital currency.
Wherein the transaction record further comprises: the purse of the payee signs the digital currency to be paid, the intelligent contract data, the intelligent contract signature, the verification signature and the verification data to obtain a transaction signature; validating the transaction record further comprises: the transaction signature is verified.
According to the technical scheme provided by the invention, the invention provides the digital currency transaction method and the system based on the intelligent contract, the paying party pays for the specific intelligent contract data, and the server sends the digital currency corresponding to the intelligent contract data to the receiving party after passing the verification, so that the intelligent contract data is ensured to correspond to the digital currency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced 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 based on the drawings without creative efforts.
Fig. 1 is a flowchart of a digital money transaction method based on smart contracts provided in embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a digital currency transaction system based on smart contracts according to embodiment 1 of the present invention;
fig. 3 is a flowchart of a digital money transaction method based on smart contracts provided in embodiment 2 of the present invention;
fig. 4 is a schematic structural diagram of a digital currency transaction system based on smart contracts according to embodiment 2 of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are 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 embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or quantity or location.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Example 1
Fig. 1 is a flowchart showing a method for smart contract-based digital currency transaction according to embodiment 1 of the present invention, and referring to fig. 1, the method for smart contract-based digital currency transaction according to embodiment 1 of the present invention includes:
s1, the payer wallet acquires the digital money to be paid, and acquires smart contract data.
Specifically, the holder of the payer wallet and the holder of the payee wallet agree on smart contract data in advance on a smart contract platform or other contract platforms. The intelligent contract data may be stored on the intelligent contract platform or other contract platforms, or may be stored in the payer wallet, which is not particularly limited in the present invention.
The payer wallet holder obtains the digital money to be paid and the smart contract data when the payee wallet holder needs to pay the smart contract data, and the digital money to be paid can be obtained from the bank or the payer wallet, which is not limited in the present invention.
S2, the payer wallet transmitting transaction data to the payee wallet, wherein the transaction data includes: the method comprises the steps of paying digital currency, intelligent contract data, a first intelligent contract signature obtained by signing the intelligent contract data by a payer purse and a second intelligent contract signature obtained by signing the intelligent contract data by a signer.
Specifically, the payer wallet generates transaction data according to the digital currency to be paid and the intelligent contract data, wherein the transaction data comprises the digital currency to be paid, the intelligent contract data, a first intelligent contract signature obtained by signing the intelligent contract data by the payer wallet, and a second intelligent contract signature obtained by signing the intelligent contract data by the signing party. The second intelligent contract signature may be generated by the intelligent contract platform or by other contract participants, such as the payee. Any signature party meeting the requirement is within the protection scope of the invention.
And S3, the purse of the payee receives the transaction data and acquires the verification data generated by the signer.
Specifically, the payee wallet may obtain the verification data from the smart contract platform after receiving the transaction data, and may also obtain the verification data from other contract participants, for example, obtain the verification data from the payee wallet, which is not limited in the present invention.
S4, the payee wallet sending a transaction record to the server, wherein the transaction record includes: the method comprises the steps of paying digital currency, intelligent contract data, a first intelligent contract signature, a second intelligent contract signature and verification data;
s5, the server verifies the transaction record, generates issuing digital currency after the transaction record passes the verification, and sends the issuing digital currency to the payee wallet, wherein the verification of the transaction record comprises the following steps: and verifying the second intelligent contract signature by using the verification data and the intelligent contract data, verifying the first intelligent contract signature and verifying the digital currency to be paid.
In particular, the payee wallet sends the verification data and the transaction data to the server so that the server can verify the first smart contract signature and the second smart contract signature, respectively. And after the verification is passed, the issuing digital currency can be generated and sent to the payee wallet.
As an optional implementation of the embodiment of the present invention, the transaction record further includes: the payee wallet is used for signing the digital currency to be paid, the intelligent contract data, the first intelligent contract signature, the second intelligent contract signature and the verification data to obtain a transaction signature; validating the transaction record further comprises: the transaction signature is verified. In particular, the payee wallet may also sign the data sent to the server, ensuring authenticity of the payee wallet identity.
And S6, the purse of the payee receives the issued digital currency and stores the issued digital currency.
Specifically, after the payee wallet receives the issued digital money, the digital money corresponding to the intelligent contract data is obtained.
Therefore, by using the digital currency transaction method based on the intelligent contract provided by the embodiment of the invention, the paying party pays for the specific intelligent contract data, and the server sends the digital currency corresponding to the intelligent contract data to the receiving party after the server verifies the specific intelligent contract data, so that the intelligent contract data is ensured to correspond to the digital currency.
Fig. 2 is a schematic structural diagram of a digital currency transaction system based on a smart contract according to an embodiment of the present invention, which is applied to the method described above, and only the structure and function of the digital currency transaction system based on a smart contract are briefly described below, and other things are not considered to be due, please refer to the related description in the digital currency transaction method based on a smart contract described above, referring to fig. 2, a digital currency transaction system based on a smart contract according to an embodiment 1 of the present invention includes:
a payer wallet for acquiring digital money to be paid and acquiring smart contract data; sending transaction data to a payee wallet, wherein the transaction data comprises: the method comprises the steps that digital currency to be paid, intelligent contract data, a first intelligent contract signature obtained by signing the intelligent contract data by a payer purse and a second intelligent contract signature obtained by signing the intelligent contract data by a signing party are obtained;
the payee wallet is used for receiving transaction data and acquiring verification data generated by the signature party; sending a transaction record to a server, wherein the transaction record comprises: the method comprises the steps of paying digital currency, intelligent contract data, a first intelligent contract signature, a second intelligent contract signature and verification data;
the server is used for verifying the transaction record, generating issuing digital currency after the transaction record passes the verification, and sending the issuing digital currency to the payee wallet, wherein the transaction record verification comprises the following steps: verifying the second intelligent contract signature by using the verification data and the intelligent contract data, verifying the first intelligent contract signature and verifying the digital currency to be paid;
the payee wallet is also used for receiving and storing the issued digital currency.
As an optional implementation of the embodiment of the present invention, the transaction record further includes: the payee wallet is used for signing the digital currency to be paid, the intelligent contract data, the first intelligent contract signature, the second intelligent contract signature and the verification data to obtain a transaction signature; validating the transaction record further comprises: the transaction signature is verified.
Therefore, by using the digital currency transaction system based on the intelligent contract provided by the embodiment of the invention, the paying party pays for the specific intelligent contract data, and the server sends the digital currency corresponding to the intelligent contract data to the receiving party after the server verifies the specific intelligent contract data, so that the intelligent contract data is ensured to correspond to the digital currency.
Example 2
Fig. 3 is a flowchart showing a method for smart contract-based digital currency transaction according to embodiment 2 of the present invention, and referring to fig. 3, the method for smart contract-based digital currency transaction according to embodiment 2 of the present invention includes:
s1, the payer wallet acquires the digital money to be paid, and acquires smart contract data.
Specifically, the holder of the payer wallet and the holder of the payee wallet agree on smart contract data in advance on a smart contract platform or other contract platforms. The intelligent contract data may be stored on the intelligent contract platform or other contract platforms, or may be stored in the payer wallet, which is not particularly limited in the present invention.
The payer wallet holder obtains the digital money to be paid and the smart contract data when the payee wallet holder needs to pay the smart contract data, and the digital money to be paid can be obtained from the bank or the payer wallet, which is not limited in the present invention.
S2, the payer wallet transmitting transaction data to the payee wallet, wherein the transaction data includes: the intelligent contract payment system comprises digital currency to be paid, intelligent contract data, an intelligent contract signature obtained by signing the intelligent contract data by a payer purse, and a verification signature obtained by signing the digital currency to be paid, the intelligent contract data and the intelligent contract signature by an intelligent contract platform.
Specifically, the payer wallet generates transaction data according to the digital currency to be paid and the intelligent contract data, wherein the transaction data comprises the digital currency to be paid, the intelligent contract data, an intelligent contract signature obtained by signing the intelligent contract data by the payer wallet, and a verification signature obtained by signing the digital currency to be paid, the intelligent contract data and the intelligent contract signature by the intelligent contract platform.
And S3, the purse of the payee receives the transaction data and acquires the verification data generated by the intelligent contract platform.
In particular, the payee wallet, upon receiving the transaction data, may obtain verification data from the smart contract platform.
S4, the payee wallet sending a transaction record to the server, wherein the transaction record includes: the method comprises the steps of paying digital currency, intelligent contract data, an intelligent contract signature, a verification signature and verification data;
and S5, the server verifies the signature by using the verification data, verifies the intelligent contract signature, verifies the digital currency to be paid, generates issuing digital currency after the verification is passed, and sends the issuing digital currency to the purse of the payee.
In particular, the payee wallet sends the verification data and the transaction data to the server so that the server can verify the smart contract signature, the verification signature, respectively. And after the verification is passed, the issuing digital currency can be generated and sent to the payee wallet.
As an optional implementation of the embodiment of the present invention, the transaction record further includes: the purse of the payee signs the digital currency to be paid, the intelligent contract data, the intelligent contract signature, the verification signature and the verification data to obtain a transaction signature; validating the transaction record further comprises: the transaction signature is verified. In particular, the payee wallet may also sign the data sent to the server, ensuring authenticity of the payee wallet identity.
And S6, the purse of the payee receives the issued digital currency and stores the issued digital currency.
Specifically, after the payee wallet receives the issued digital money, the digital money corresponding to the intelligent contract data is obtained.
Therefore, by using the digital currency transaction method based on the intelligent contract provided by the embodiment of the invention, the paying party pays for the specific intelligent contract data, and the server sends the digital currency corresponding to the intelligent contract data to the receiving party after the server verifies the specific intelligent contract data, so that the intelligent contract data is ensured to correspond to the digital currency.
Fig. 4 is a schematic structural diagram of a digital currency transaction system based on a smart contract according to an embodiment of the present invention, which is applied to the method described above, and only the structure and function of the digital currency transaction system based on a smart contract are briefly described below, and other matters are not considered to be due, please refer to the related description in the digital currency transaction method based on a smart contract described above, referring to fig. 4, a digital currency transaction system based on a smart contract according to an embodiment 2 of the present invention includes:
a payer wallet for acquiring digital money to be paid and acquiring smart contract data; sending transaction data to a payee wallet, wherein the transaction data comprises: the intelligent contract payment system comprises digital currency to be paid, intelligent contract data, an intelligent contract signature obtained by signing the intelligent contract data by a payer purse, and a verification signature obtained by signing the digital currency to be paid, the intelligent contract data and the intelligent contract signature by an intelligent contract platform;
the payee wallet is used for receiving the transaction data and acquiring verification data generated by the intelligent contract platform; sending a transaction record to a server, wherein the transaction record comprises: the method comprises the steps of paying digital currency, intelligent contract data, an intelligent contract signature, a verification signature and verification data;
the server is used for verifying the signature by using the verification data, verifying the intelligent contract signature, verifying the digital currency to be paid, generating issuing digital currency after the verification passes, and sending the issuing digital currency to the purse of the payee;
the payee wallet is also used for receiving and storing the issued digital currency.
As an optional implementation of the embodiment of the present invention, the transaction record further includes: the purse of the payee signs the digital currency to be paid, the intelligent contract data, the intelligent contract signature, the verification signature and the verification data to obtain a transaction signature; validating the transaction record further comprises: the transaction signature is verified.
Therefore, by using the digital currency transaction system based on the intelligent contract provided by the embodiment of the invention, the paying party pays for the specific intelligent contract data, and the server sends the digital currency corresponding to the intelligent contract data to the receiving party after the server verifies the specific intelligent contract data, so that the intelligent contract data is ensured to correspond to the digital currency.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A method of digital currency trading based on smart contracts, comprising:
the payer wallet acquires digital currency to be paid and acquires intelligent contract data;
the payer wallet to send transaction data to a payee wallet, wherein the transaction data includes: the digital currency to be paid, the intelligent contract data, a first intelligent contract signature obtained by the payer purse signing the intelligent contract data, and a second intelligent contract signature obtained by the signer signing the intelligent contract data;
the payee wallet receives the transaction data and acquires verification data generated by the signer;
the payee wallet sends a transaction record to a server, wherein the transaction record comprises: the digital currency to be paid, the smart contract data, the first smart contract signature, the second smart contract signature, and the verification data;
the server verifies the transaction record, generates issuing digital currency after the transaction record passes the verification, and sends the issuing digital currency to the payee wallet, wherein the verifying the transaction record comprises the following steps: verifying the second smart contract signature, the first smart contract signature, and the digital currency to be paid using the verification data and the smart contract data;
the payee wallet receives the issued digital currency and stores the issued digital currency.
2. The method of claim 1, wherein the transaction record further comprises: the payee wallet is a transaction signature obtained by signing the digital currency to be paid, the smart contract data, the first smart contract signature, the second smart contract signature and the verification data;
said validating said transaction record further comprises: and verifying the transaction signature.
3. A method of digital currency trading based on smart contracts, comprising:
the payer wallet acquires digital currency to be paid and acquires intelligent contract data;
the payer wallet to send transaction data to a payee wallet, wherein the transaction data includes: the digital currency to be paid, the intelligent contract data, an intelligent contract signature obtained by the payer purse signing the intelligent contract data, and a verification signature obtained by the intelligent contract platform signing the digital currency to be paid, the intelligent contract data and the intelligent contract signature;
the payee wallet receives the transaction data and acquires verification data generated by the intelligent contract platform;
the payee wallet sends a transaction record to a server, wherein the transaction record comprises: the digital currency to be paid, the smart contract data, the smart contract signature, a verification signature, and the verification data;
the server verifies the signature by using the verification data, verifies the intelligent contract signature, verifies the digital currency to be paid, generates issuing digital currency after the verification of the digital currency to be paid is passed, and sends the issuing digital currency to the wallet of the payee;
the payee wallet receives the issued digital currency and stores the issued digital currency.
4. The method of claim 3, wherein the transaction record further comprises: the payee wallet is a transaction signature obtained by signing the digital currency to be paid, the intelligent contract data, the intelligent contract signature, the verification signature and the verification data;
said validating said transaction record further comprises: and verifying the transaction signature.
5. A digital currency transaction system based on smart contracts, comprising:
a payer wallet for acquiring digital money to be paid and acquiring smart contract data; sending transaction data to a payee wallet, wherein the transaction data comprises: the digital currency to be paid, the intelligent contract data, a first intelligent contract signature obtained by the payer purse signing the intelligent contract data, and a second intelligent contract signature obtained by the signer signing the intelligent contract data;
the payee wallet is used for receiving the transaction data and acquiring verification data generated by the signature party; sending a transaction record to a server, wherein the transaction record comprises: the digital currency to be paid, the smart contract data, the first smart contract signature, the second smart contract signature, and the verification data;
the server is used for verifying the transaction record, generating issuing digital currency after the transaction record passes the verification, and sending the issuing digital currency to the payee wallet, wherein the verification of the transaction record comprises the following steps: verifying the second smart contract signature, the first smart contract signature, and the digital currency to be paid using the verification data and the smart contract data;
the payee wallet is also used for receiving the issued digital currency and storing the issued digital currency.
6. The system of claim 5, wherein the transaction record further comprises: the payee wallet is a transaction signature obtained by signing the digital currency to be paid, the smart contract data, the first smart contract signature, the second smart contract signature and the verification data;
said validating said transaction record further comprises: and verifying the transaction signature.
7. A digital currency transaction system based on smart contracts, comprising:
a payer wallet for acquiring digital money to be paid and acquiring smart contract data; sending transaction data to a payee wallet, wherein the transaction data comprises: the digital currency to be paid, the intelligent contract data, an intelligent contract signature obtained by the payer purse signing the intelligent contract data, and a verification signature obtained by the intelligent contract platform signing the digital currency to be paid, the intelligent contract data and the intelligent contract signature;
the payee wallet is used for receiving the transaction data and acquiring verification data generated by the intelligent contract platform; sending a transaction record to a server, wherein the transaction record comprises: the digital currency to be paid, the smart contract data, the smart contract signature, a verification signature, and the verification data;
the server is used for verifying the signature by using the verification data, verifying the intelligent contract signature, verifying the digital currency to be paid, generating issuing digital currency after the verification of the digital currency to be paid is passed, and sending the issuing digital currency to the purse of the payee;
the payee wallet is also used for receiving the issued digital currency and storing the issued digital currency.
8. The system of claim 7, wherein the transaction record further comprises: the payee wallet is a transaction signature obtained by signing the digital currency to be paid, the intelligent contract data, the intelligent contract signature, the verification signature and the verification data;
said validating said transaction record further comprises: and verifying the transaction signature.
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| CN202110180868.4A CN112819629B (en) | 2021-02-08 | 2021-02-08 | Digital currency transaction method and system based on intelligent contract |
| PCT/CN2022/072487 WO2022166574A1 (en) | 2021-02-08 | 2022-01-18 | Digital currency transaction method and system based on smart contract |
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| CN202110180868.4A CN112819629B (en) | 2021-02-08 | 2021-02-08 | Digital currency transaction method and system based on intelligent contract |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113362059A (en) * | 2021-06-09 | 2021-09-07 | 北京极智数仓科技有限公司 | Digital currency management and control method, system, storage medium and digital currency wallet terminal |
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| WO2022166574A1 (en) * | 2021-02-08 | 2022-08-11 | 天地融科技股份有限公司 | Digital currency transaction method and system based on smart contract |
| CN113362059A (en) * | 2021-06-09 | 2021-09-07 | 北京极智数仓科技有限公司 | Digital currency management and control method, system, storage medium and digital currency wallet terminal |
| CN113537957A (en) * | 2021-07-01 | 2021-10-22 | 北京极智数仓科技有限公司 | Digital asset transaction method, system, storage medium, and digital currency system |
| CN113450093A (en) * | 2021-07-06 | 2021-09-28 | 山西特信环宇信息技术有限公司 | Real-time consensus authentication method and system for digital change wallet based on cone block chain |
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| CN113537958A (en) * | 2021-07-12 | 2021-10-22 | 北京极智数仓科技有限公司 | Transaction method, system, medium and transaction system based on digital currency |
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| Publication number | Publication date |
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| WO2022166574A1 (en) | 2022-08-11 |
| CN112819629B (en) | 2023-06-13 |
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