CN113554439A - NFT transaction control method, device, terminal and computer-readable storage medium - Google Patents
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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 NFT transaction control method, a device, a terminal and a computer readable storage medium. The method comprises the following steps: receiving an NFT uploading instruction sent by a first account, storing a target NFT into a target block chain according to the NFT uploading instruction, and setting the use right of the target NFT as the first account; receiving the transaction information of the target NFT, storing the transaction information of the target NFT into the target block chain, and transferring the use right of the target NFT from the first account to a second account according to the transaction information of the target NFT, so that a terminal corresponding to the second account calls the target NFT. By the NFT transaction control method provided by the invention, the NFT product can be authorized to other users for use, and the secondary utilization of the NFT product is realized.
Description
Technical Field
The present invention relates to the field of digital product technologies, and in particular, to a method, an apparatus, a terminal, and a computer-readable storage medium for controlling NFT transactions.
Background
NFT (non-homogenous token) is a digital product such as an electronic photograph, an electronic version of a picture of an artist, a piece of equipment exploded inside a game, etc. Each NFT has unique absolute value, NFT products are issued by some organizations in the market at present, but effective application and management of the NFT products are not performed at present, and consumers can only collect the NFT products after purchasing the NFT products and cannot perform secondary utilization.
Thus, there is a need for improvements and enhancements in the art.
Disclosure of Invention
The invention provides an NFT transaction control method, device, terminal and computer readable storage medium, aiming at solving the problem that in the prior art, a consumer cannot be used again after purchasing an NFT product.
In a first aspect of the present invention, a NFT transaction control method is provided, including:
receiving an NFT uploading instruction sent by a first account, storing a target NFT into a target block chain according to the NFT uploading instruction, and setting the use right of the target NFT as the first account;
receiving the transaction information of the target NFT, storing the transaction information of the target NFT into the target block chain, and transferring the use right of the target NFT from the first account to a second account according to the transaction information of the target NFT, so that a terminal corresponding to the second account calls the target NFT.
The NFT transaction control method, wherein the storing the target NFT into the target block chain according to the NFT upload instruction includes:
after the NFT uploading instruction is received, generating a hash certificate corresponding to the target NFT;
storing the target NFT and the hash credential corresponding to the target NFT into the target block chain.
The NFT transaction control method, wherein after storing the target NFT into the target block chain according to the NFT upload instruction, the method includes:
distributing the information of the target NFT to terminals of a plurality of accounts on the target blockchain, so that the terminals of the plurality of accounts display the information of the target NFT.
The NFT transaction control method, wherein the transaction information of the target NFT includes a transaction account and an authorization duration; the storing the transaction information of the target NFT into the target block chain includes:
encrypting the transaction information of the target NFT to generate a first target hash value;
storing the first target hash value into the target blockchain.
The NFT transaction control method, wherein generating a first target hash value according to encrypting the transaction information of the target NFT, includes:
generating a first target text according to the transaction information of the target NFT;
and encrypting the first target text to generate the first target hash value.
The NFT transaction control method, wherein after the transferring the usage right of the target NFT from the first account to a second account according to the transaction information of the target NFT, includes:
determining an authorization time limit according to the transaction information of the target NFT;
and when the duration of the second account maintaining the use authority of the target NFT reaches the authorization time limit, transferring the use authority of the target NFT to the first account, and storing the use authority transfer information into the target block chain.
The NFT transaction control method, wherein the storing the usage right transfer information into the target block chain includes:
generating a second target text according to the permission transfer information;
encrypting the second target text to generate a second target hash value;
storing the second target hash value into the target blockchain.
In a second aspect of the present invention, there is provided an NFT transaction control apparatus including:
the uploading module is used for receiving an NFT uploading instruction sent by a first account, storing a target NFT into a target block chain according to the NFT uploading instruction, and setting the use right of the target NFT as the first account;
a transaction module, configured to receive transaction information of the target NFT, store the transaction information of the target NFT in the target block chain, and transfer the usage right of the target NFT from the first account to a second account according to the transaction information of the target NFT, so that a terminal corresponding to the second account invokes the target NFT.
In a third aspect of the present invention, a terminal is provided, which includes: the NFT transaction control system comprises a processor and a storage medium communicatively connected with the processor, wherein the storage medium is suitable for storing a plurality of signals, and the processor is suitable for calling the signals in the storage medium to execute the steps of implementing the NFT transaction control method.
A fourth aspect of the present invention provides a computer-readable storage medium, wherein the computer storage medium stores one or more programs, which are executable by one or more processors to implement the steps of the NFT transaction control method of any of the above.
Has the advantages that: compared with the prior art, the invention provides an NFT transaction control method, an NFT transaction control device, a terminal and a storage medium, in the NFT transaction control method, a target NFT is stored in a target block chain according to an NFT uploading instruction issued by a first account, the use authority of the target NFT is set to be the first account, the use authority of the target NFT is transferred from the first account to a second account according to transaction information of the target NFT, the terminal corresponding to the second account can call the target NFT, and after a consumer purchases an NFT product, the NFT product can be authorized to other users for use through the NFT transaction control method provided by the invention, so that the secondary utilization of the NFT product is realized.
Drawings
Fig. 1 is a flowchart of an embodiment of an NFT transaction control method provided by the present invention;
fig. 2 is a schematic diagram of an NFT management interface in an embodiment of an NFT transaction control method provided in the present invention;
fig. 3 is a schematic diagram of a target block chain in an embodiment of the NFT transaction control method provided in the present invention;
fig. 4 is a schematic diagram of an NFT information display page in an embodiment of the NFT transaction control method provided in the present invention;
fig. 5 is a schematic flowchart illustrating a transaction of an account in an NFT transaction system in an embodiment of an NFT transaction control method provided in the present invention;
fig. 6 is a schematic diagram of an NFT authorization process in an embodiment of the NFT transaction control method provided in the present invention;
fig. 7 is a schematic structural diagram of an embodiment of an NFT transaction control apparatus provided in the present invention;
fig. 8 is a schematic structural diagram of an embodiment of a terminal provided in the present invention.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one
As shown in fig. 1, the NFT transaction control method provided in this embodiment includes the steps of:
s100, receiving an NFT uploading instruction sent by a first account, storing a target NFT into a target block chain according to the NFT uploading instruction, and setting the use right of the target NFT as the first account.
The NFT transaction control method provided in this embodiment may be applied to an NFT transaction system, and the NFT transaction control method provided in this embodiment may be executed by a terminal in the NFT transaction system, where the terminal may be a server of the NFT transaction system, in addition, the NFT transaction system may include a plurality of accounts, a user may establish an account by registering in the NFT transaction system, and each terminal in the account that logs in the NFT transaction system is a terminal corresponding to an account in the NFT transaction system. For example, the NFT transaction system may have a plurality of users, each of which may be an individual, an enterprise, or the like, each of which may register one or more accounts, and the user may issue an operation instruction to the NFT transaction system through a terminal logged in to an account.
The first account may be any account registered in the NFT transaction system, and a user may upload an NFT product owned by the user through a terminal that logs in the account, that is, issue the NFT upload instruction. Specifically, as shown in fig. 2, an NFT transaction application may be installed on the terminal, an NFT operation menu is provided on an NFT management interface of the NFT transaction application, and a user may send an NFT upload instruction through an "upload" menu to upload an NFT product. And after receiving an NFT uploading instruction sent by the first account, the server of the NFT transaction system stores a target NFT into a target block chain according to the NFT uploading instruction, wherein the target NFT is the NFT uploaded through the first account. The block chain belongs to the technical field of information, and essentially is a shared database, and data or information stored in the shared database has the characteristics of being incapable of being forged, having trace in the whole process, being traceable, being public and transparent, being maintained in a collective mode and the like. In this embodiment, the target block chain is a private block chain, that is, the NFT transaction system uses the private block chain to store the NFT product and the related transaction information of the NFT product, as shown in fig. 3, data of the target block chain is stored in a cloud, and members of the target block chain, that is, members of the NFT transaction system, may read the data in the target block chain or calculate a corresponding hash value for a transaction and store the hash value in the target block chain.
When storing the target NFT into the target block chain, further generating a unique hash credential for the target NFT, that is, storing the target NFT into the target block chain according to the NFT upload instruction includes:
after the NFT uploading instruction is received, generating a hash certificate corresponding to the target NFT;
storing the target NFT and the hash credential corresponding to the target NFT into the target block chain.
The hash credential of the NFT is equivalent to an identifier of the NFT, and the hash credential corresponding to each NFT is unique, that is, the hash credentials corresponding to different NFTs are different, and in the target block chain, the NFT and the hash credential are in one-to-one correspondence.
When the server of the NFT transaction system stores the target NFT in a target block chain, the usage right of the target NFT is set as the first account, that is, the first account may call the target NFT, for example, the target NFT may be downloaded to a terminal and set as a screen saver of the terminal, and specifically, the first account may be logged in a terminal (for example, a terminal such as a television, a mobile terminal, or a computer), and then the target NFT is read from the target block chain according to the usage right of the first account and set as the screen saver, a home page background, and the like.
When the user uploads the target NFT to the NFT transaction system through the first account, the transaction price of the target NFT may be set at the same time, that is, the NFT upload instruction may include price information of the target NFT, and other users using the NFT transaction system may check information of the target NFT through a used terminal to determine whether to purchase a right to use the target NFT. Specifically, after the target NFT is stored in the target block chain according to the NFT upload instruction, the NFT transaction control method provided in this embodiment further includes the steps of:
distributing the information of the target NFT to terminals of a plurality of accounts on the target blockchain, so that the terminals of the plurality of accounts display the information of the target NFT.
After the target NFT is uploaded to one account, the server of the NFT transaction system may distribute the information of the target NFT to terminals of a plurality of accounts on the target blockchain, specifically, as shown in fig. 4, the server of the NFT transaction system may display the information of the target NFT on a specific page, and a user may access the page to view the information of the target NFT through the terminal logged in to the account of the NFT transaction system. The information of the target NFT may include an image, a hash credential, an owner, a price, etc. of the target NFT.
As shown in fig. 5, after the user registers the account of the NFT transaction system, the NFT may be uploaded, and the NFT transaction, such as purchase/sale, may also be performed. Specifically, as shown in fig. 1, the NFT transaction control method provided in this embodiment further includes the steps of:
s200, receiving the transaction information of the target NFT, storing the transaction information of the target NFT into the target block chain, and transferring the use authority of the target NFT from the first account to a second account according to the transaction information of the target NFT, so that a terminal corresponding to the second account calls the target NFT.
The information of the target NFT is displayed on a specific page of the NFT transaction system, a user can make a purchase on the specific page, and after the purchase is completed, transaction information of the target NFT is generated, wherein the transaction information of the target NFT at least includes a transaction account and an authorization year. The trade account refers to a purchase account and a selling account of trade, and the owner of the target NFT can choose to temporarily authorize the target NFT to be used by others, namely, to sell the right to use, or to sell the target NFT to others completely, namely, to sell the ownership.
After the usage right of the target NFT is transferred to the second account, the terminal corresponding to the second account may invoke the target NFT, the terminal corresponding to the second account may be a terminal that logs in the second account, and may be a television, a mobile terminal, a computer, and the like, an interface as shown in fig. 2 may be displayed on the terminal, and a user may invoke the target NFT through the interface, for example, set the target NFT as a screen saver, a startup screen, a homepage pendant, a homepage background, and the like.
The storing the transaction information of the target NFT into the target block chain includes:
encrypting the transaction information of the target NFT to generate a first target hash value;
storing the first target hash value into the target blockchain.
Encrypting the transaction information of the target NFT may be generating a first target text according to the transaction information of the target NFT, and encrypting the first target text to generate the first target hash value, for example, if a seller is a, a buyer is B, an authorization deadline of the transaction is 1 year in the transaction information of the target NFT, a text "a authorizes the target NFT for B year" may be encrypted to generate the first target hash value.
In this embodiment, the hash value generation may be implemented by using an SHA256 encryption algorithm, specifically, the SHA256 is a hash function algorithm, a message with any length is calculated by the SHA256 to obtain a character string with a length of 256 bytes, and as long as one character of the two character strings is different, the hash values processed by calculation are different. The SHA256 encryption algorithm includes the following processes:
initialization of constants
The first 32 bits of the decimal part of the square root of the first 64 prime numbers (2,3,5,7,11,13,17,19) in the natural number are taken to obtain 64 constant initial values H64, and similarly, 8 constant initial values C8 are obtained.
2. Information preprocessing
2.1 filling bit number, if the text length is modulo 512, the remainder is less than 448, the first bit data is complemented by 1, and the rest is complemented by 0 until 448 bits are complemented.
2.2 add initial values, 64 initial values H64 obtained from the first step are added to 448 bit data to obtain 512 bit data.
2.3 split the message into 512-bit blocks, where the initial value in C8 is C0, get C1 through the first data block, get C2 through the second data block by C1, and so on, get Cn, and record these as:
A＝0x6A09E667,B＝0xBB67AE85,C＝0x3C6EF372,D＝0xA54FF53A,E＝0x510E527F,F＝0x9B05688C,G＝0x1F83D9AB,H＝0x5BE0CD19。
the mapping function: $ Map (H _ { i-1}) ═ C _ { i } $
2.4 process 512 byte packet sequences. The algorithm uses six basic logic functions and consists of 64 steps of iterative operations. Each step takes a256 byte buffer value ABCDEFGH as input and then updates the buffer contents. Each step uses a 32-byte constant value Kt and a 32-byte Wt.
The calculation is performed by using a 32-bit number, Wt is the packet after the packet, 512-bit is 32-bit 16, that is, Wt, t is 1,2, 3. The recurrence formula is as follows:
Wt＝σ1(Wt-2)+Wt-7+σ0(Wt-15)+Wt-16
2.5 after all 512-bit packets are processed, a hash of length bits 256 on the output edge is generated for the last packet of the SHA256 algorithm.
Of course, it is to be understood that there are a variety of encryption algorithms for generating hash values, and the present invention is not limited to the SHA256 encryption algorithm for generating hash values in the NFT transaction system.
When the authorization deadline is reached, the usage right of the target NFT needs to be modified, and specifically, after the usage right of the target NFT is transferred from the first account to a second account according to the transaction information of the target NFT, the method further includes the steps of:
determining an authorization time limit according to the transaction information of the target NFT;
and when the duration of the second account maintaining the use authority of the target NFT reaches the authorization time limit, transferring the use authority of the target NFT to the first account, and storing the use authority transfer information into the target block chain.
As shown in fig. 6, after the first account transfers the usage right of the target NFT to the second account for a duration determined at the time of the transaction, the transferring the usage right of the target NFT back to the first account and storing the right transfer information, specifically, the storing the usage right transfer information into the target block chain includes:
generating a second target text according to the permission transfer information;
encrypting the second target text to generate a second target hash value;
storing the second target hash value into the target blockchain.
For example, when the transaction information of the target NFT is authorized by a to B for one year, and after the authorization expires, the usage right of the target NFT is transferred from B to a, a text "the usage right of the target NFT is transferred from B to a" may be generated, and the text is encrypted to generate a second target hash value and stored in the target block chain, so that the ownership transfer process of the target NFT can be traced.
In summary, the present embodiment provides an NFT transaction control method, where a target NFT is stored in a target block chain according to an NFT upload instruction issued by a first account, an authority of use of the target NFT is set as the first account, and the authority of use of the target NFT is transferred from the first account to a second account according to transaction information of the target NFT, a terminal corresponding to the second account may invoke the target NFT, and after a consumer purchases an NFT product, the NFT product may be authorized to be used by other users through the NFT transaction control method provided in the present invention, so that secondary utilization of the NFT product is achieved.
It should be understood that, although the steps in the flowcharts shown in the figures of the present specification are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps of the present invention are not limited to being performed in the exact order disclosed, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least a portion of the steps of the present invention may include multiple sub-steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, and the order of performing the sub-steps or stages is not necessarily sequential, but may be performed alternately or alternately with other steps or at least a portion of the sub-steps or stages of other steps.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware related to a computer program, which can be stored in a non-volatile computer readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, databases, or other media used in embodiments provided herein may include non-volatile and/or volatile memory. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
Example two
Based on the above embodiment, the present invention further provides an NFT transaction control apparatus, as shown in fig. 7, the NFT transaction control apparatus includes:
an upload module, configured to receive an NFT upload instruction issued by a first account, store a target NFT into a target block chain according to the NFT upload instruction, and set a usage right of the target NFT as the first account, as described in embodiment one;
a transaction module, configured to receive transaction information of the target NFT, store the transaction information of the target NFT in the target block chain, and transfer the usage right of the target NFT from the first account to a second account according to the transaction information of the target NFT, so that a terminal corresponding to the second account invokes the target NFT, which is specifically described in embodiment one.
EXAMPLE III
Based on the above embodiments, the present invention further provides a terminal, and a schematic block diagram thereof may be as shown in fig. 8. The terminal comprises a processor 10 and a memory 20, wherein the memory 20 stores a computer program, and the processor 10 executes the computer program to realize at least the following steps:
receiving an NFT uploading instruction sent by a first account, storing a target NFT into a target block chain according to the NFT uploading instruction, and setting the use right of the target NFT as the first account;
receiving the transaction information of the target NFT, storing the transaction information of the target NFT into the target block chain, and transferring the use right of the target NFT from the first account to a second account according to the transaction information of the target NFT, so that a terminal corresponding to the second account calls the target NFT.
Wherein the storing the target NFT into the target block chain according to the NFT upload instruction includes:
after the NFT uploading instruction is received, generating a hash certificate corresponding to the target NFT;
storing the target NFT and the hash credential corresponding to the target NFT into the target block chain.
Wherein, after storing the target NFT into the target block chain according to the NFT upload instruction, the method includes:
distributing the information of the target NFT to terminals of a plurality of accounts on the target blockchain, so that the terminals of the plurality of accounts display the information of the target NFT.
The transaction information of the target NFT comprises a transaction account and an authorization duration; the storing the transaction information of the target NFT into the target block chain includes:
encrypting the transaction information of the target NFT to generate a first target hash value;
storing the first target hash value into the target blockchain.
Generating a first target hash value according to encrypting the transaction information of the target NFT, including:
generating a first target text according to the transaction information of the target NFT;
and encrypting the first target text to generate the first target hash value.
Wherein the transferring the usage right of the target NFT from the first account to a second account according to the transaction information of the target NFT comprises:
determining an authorization time limit according to the transaction information of the target NFT;
and when the duration of the second account maintaining the use authority of the target NFT reaches the authorization time limit, transferring the use authority of the target NFT to the first account, and storing the use authority transfer information into the target block chain.
Wherein the storing the usage right transfer information into the target block chain comprises:
generating a second target text according to the permission transfer information;
encrypting the second target text to generate a second target hash value;
storing the second target hash value into the target blockchain.
Example four
The present invention also provides a computer readable storage medium having one or more programs stored thereon, the one or more programs being executable by one or more processors to implement the steps of the NFT transaction control method described in the above embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A NFT transaction control method, the method comprising:
receiving an NFT uploading instruction sent by a first account, storing a target NFT into a target block chain according to the NFT uploading instruction, and setting the use right of the target NFT as the first account;
receiving the transaction information of the target NFT, storing the transaction information of the target NFT into the target block chain, and transferring the use right of the target NFT from the first account to a second account according to the transaction information of the target NFT, so that a terminal corresponding to the second account calls the target NFT.
2. The NFT transaction control method of claim 1, wherein the storing the target NFT into a target block chain according to the NFT upload instruction comprises:
after the NFT uploading instruction is received, generating a hash certificate corresponding to the target NFT;
storing the target NFT and the hash credential corresponding to the target NFT into the target block chain.
3. The NFT transaction control method of claim 1, wherein after storing the target NFT into the target block chain according to the NFT upload instruction, the method comprises:
distributing the information of the target NFT to terminals of a plurality of accounts on the target blockchain, so that the terminals of the plurality of accounts display the information of the target NFT.
4. The NFT transaction control method of claim 1, wherein the transaction information of the target NFT includes a transaction account and an authorization duration; the storing the transaction information of the target NFT into the target block chain includes:
encrypting the transaction information of the target NFT to generate a first target hash value;
storing the first target hash value into the target blockchain.
5. The NFT transaction control method of claim 4, wherein generating a first target hash value according to encrypting the transaction information of the target NFT comprises:
generating a first target text according to the transaction information of the target NFT;
and encrypting the first target text to generate the first target hash value.
6. The NFT transaction control method of claim 3, wherein the transferring the usage right of the target NFT from the first account to a second account according to the transaction information of the target NFT comprises:
determining an authorization time limit according to the transaction information of the target NFT;
and when the duration of the second account maintaining the use authority of the target NFT reaches the authorization time limit, transferring the use authority of the target NFT to the first account, and storing the use authority transfer information into the target block chain.
7. The NFT transaction control method of claim 5, wherein the storing the usage right transfer information into the target block chain comprises:
generating a second target text according to the permission transfer information;
encrypting the second target text to generate a second target hash value;
storing the second target hash value into the target blockchain.
8. An NFT transaction control apparatus, comprising:
the uploading module is used for receiving an NFT uploading instruction sent by a first account, storing a target NFT into a target block chain according to the NFT uploading instruction, and setting the use right of the target NFT as the first account;
a transaction module, configured to receive transaction information of the target NFT, store the transaction information of the target NFT in the target block chain, and transfer the usage right of the target NFT from the first account to a second account according to the transaction information of the target NFT, so that a terminal corresponding to the second account invokes the target NFT.
9. A terminal, characterized in that the terminal comprises: a processor, a storage medium communicatively coupled to the processor, the storage medium adapted to store a plurality of signals, the processor adapted to invoke the signals in the storage medium to perform the steps of implementing the NFT transaction control method of any of claims 1-7 above.
10. A computer-readable storage medium storing one or more programs, the one or more programs being executable by one or more processors to implement the steps of the NFT transaction control method according to any one of claims 1-7.
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| CN202110852143.5A CN113554439A (en) | 2021-07-27 | 2021-07-27 | NFT transaction control method, device, terminal and computer-readable storage medium |
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| KR102162763B1 (en) * | 2019-05-31 | 2020-10-07 | 넷마블 주식회사 | Method to transfer accounts |
| TW202118257A (en) * | 2019-10-30 | 2021-05-01 | 天宿智能科技股份有限公司 | Asset rights management system based on blockchain and method thereof |
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