CN111667256B - Block chain-based digital commemorative coin generation method and system - Google Patents
Block chain-based digital commemorative coin generation method and system Download PDFInfo
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- CN111667256B CN111667256B CN202010512386.XA CN202010512386A CN111667256B CN 111667256 B CN111667256 B CN 111667256B CN 202010512386 A CN202010512386 A CN 202010512386A CN 111667256 B CN111667256 B CN 111667256B
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 4
- 239000010970 precious metal Substances 0.000 description 4
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- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
Classifications
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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
- G06Q20/04—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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/29—Geographical information databases
-
- 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
- G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
- G06Q20/36—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using electronic wallets or electronic money safes
- G06Q20/367—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using electronic wallets or electronic money safes involving electronic purses or money safes
-
- 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
- G06Q20/381—Currency conversion
-
- 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
- G06Q40/02—Banking, e.g. interest calculation or account maintenance
Abstract
The invention discloses a generation method and a generation system of digital commemorative coins based on a blockchain, wherein all participants participating in issuing the digital commemorative coins are combined to form a digital commemorative coin alliance chain; storing the digital commemorative coin generated by the digital commemorative coin alliance chain in the form of intelligent contract on the digital commemorative coin alliance chain; determining the display information of the digital commemorative coin through the information stored in the intelligent contract; and sending the digital commemorative coin comprising the display information to the client side, so that the client side obtains the display information of the digital commemorative coin. Based on the blockchain technology, the display information is fused on the digital currency, so that the display forms of the digital currency are diversified, the digital display of the digital commemorative coin is realized, and the requirements of users are met.
Description
Technical Field
The invention relates to the technical field of blockchains, in particular to a generation method and a generation system of digital commemorative coins based on blockchains.
Background
With the development of the digital economic age, digital money is expected to become the mainstream of the digital economic age and an important financial infrastructure, and thus, it is receiving increasing attention. However, existing digital currencies are generally in a relatively fixed form and cannot meet increasing user demands.
Disclosure of Invention
Aiming at the problems, the invention provides a generation method and a generation system of digital commemorative coins based on blockchain, which realize digital display of the digital commemorative coins and meet the demands of users.
In order to achieve the above object, the present invention provides the following technical solutions:
a method of generating a blockchain-based digital commemorative coin, the method comprising:
combining all the participants participating in issuing the digital commemorative coin into a digital commemorative coin alliance chain;
storing the digital commemorative coins generated by the digital commemorative coin alliance chain in the form of intelligent contracts on the digital commemorative coin alliance chain;
determining the display information of the digital commemorative coin through the information stored in the intelligent contract;
and sending the digital commemorative coin comprising the display information to a client side, so that the client side obtains the display information of the digital commemorative coin.
Optionally, the smart contract includes: account information, digital commemorative coin name, digital commemorative coin denomination, digital commemorative coin issuance time, digital commemorative coin hash value, digital commemorative coin historical event information, and signed-endorsement account.
Optionally, the storing the digital commemorative coin generated by the digital commemorative coin alliance chain in the form of intelligent contract includes:
receiving a digital commemorative coin generation request through the digital commemorative coin alliance link, wherein the digital commemorative coin generation request comprises digital commemorative coin generation amount and digital commemorative coin display requirement information;
generating a digital commemorative coin matched with the digital commemorative coin generation request according to the intelligent contract and the digital commemorative coin generation request;
and issuing the digital commemorative coin through the digital commemorative coin alliance chain.
Optionally, the method further comprises:
and storing the related information and the circulation information of the digital commemorative coin to the digital commemorative coin alliance chain through the intelligent contract.
Optionally, the method further comprises:
and displaying the digital commemorative coin in a target display form, wherein the target form comprises a text mode, a picture mode and/or a video mode.
A blockchain-based digital commemorative coin generation system, said system comprising:
the building unit is used for jointly building the participants participating in issuing the digital commemorative coins into a digital commemorative coin alliance chain;
the storage unit is used for storing the digital commemorative coins generated by the digital commemorative coin alliance chain in the form of intelligent contracts on the digital commemorative coin alliance chain;
a determining unit, configured to determine, according to the information stored in the smart contract, presentation information of the digital commemorative coin;
and the sending unit is used for sending the digital commemorative coin comprising the display information to a client side, so that the client side obtains the display information of the digital commemorative coin.
Optionally, the smart contract includes: account information, digital commemorative coin name, digital commemorative coin denomination, digital commemorative coin issuance time, digital commemorative coin hash value, digital commemorative coin historical event information, and signed-endorsement account.
Optionally, the storage unit includes:
a receiving subunit, configured to receive a digital commemorative coin generation request through the digital commemorative coin alliance link, where the digital commemorative coin generation request includes a digital commemorative coin generation amount and digital commemorative coin display requirement information;
a generation subunit, configured to generate a digital commemorative coin matched with the digital commemorative coin generation request according to the intelligent contract and the digital commemorative coin generation request;
and the issuing subunit is used for issuing the digital commemorative coins through the digital commemorative coin alliance chain.
Optionally, the system further comprises:
the storage unit is further used for storing the related information and the circulation information of the digital commemorative coin to the digital commemorative coin alliance chain through the intelligent contract.
Optionally, the system further comprises:
and the display unit is used for displaying the digital commemorative coin in a target display form, wherein the target form comprises a text mode, a picture mode and/or a video mode.
Compared with the prior art, the invention provides a generation method and a generation system of digital commemorative coins based on blockchains, which combine all participants participating in issuing the digital commemorative coins into a digital commemorative coin alliance chain; storing the digital commemorative coin generated by the digital commemorative coin alliance chain in the form of intelligent contract on the digital commemorative coin alliance chain; determining the display information of the digital commemorative coin through the information stored in the intelligent contract; and sending the digital commemorative coin comprising the display information to the client side, so that the client side obtains the display information of the digital commemorative coin. Based on the blockchain technology, the display information is fused on the digital currency, so that the display forms of the digital currency are diversified, the digital display of the digital commemorative coin is realized, and the requirements of users are met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a method for generating a blockchain-based digital commemorative coin according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a block chain-based digital commemorative coin issuing platform according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a generating system of a digital commemorative coin based on blockchain according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The terms first and second and the like in the description and in the claims and in the above-described figures are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to the listed steps or elements but may include steps or elements not expressly listed.
For the purposes of facilitating the description of the embodiments of the invention, the terminology used in the description of the invention will now be presented.
Blockchain: the distributed shared database based on the peer-to-peer network propagation has the characteristics of 'non-falsification', 'decentralization', 'automatic execution', and the like. Based on the characteristics, the blockchain technology has a trust basis, a reliable cooperation mechanism is created, and the blockchain technology has a wide application prospect.
Commemorative coin: commemorative coins are classified into common commemorative coins and precious metal commemorative coins, wherein the common commemorative coins are the legal coins issued for commemorating important histories, cultures and other aspects or outstanding characters, points of interest, rare and the like, have circulation, and the precious metal commemorative coins are commemorative coins cast by precious metals or alloys thereof have commemorative values and do not have circulation.
Digital commemorative coin: the digital commemorative coin in the embodiment of the invention is a novel digital commemorative coin which is based on a blockchain, is issued by a national financial institution and has commemorative value, is commonly signed and endorsed by a certain issuing institution or an issuing institution organization to ensure the authenticity of the digital commemorative coin, and stores the commemorative time in the digital commemorative coin.
Intelligent contract: it is a block chain execution program that can be accurately and automatically executed. The intelligent contract based on the block chain technology not only can play the advantage of the intelligent contract in the aspect of cost efficiency, but also can avoid the interference of malicious behaviors on the normal execution of the contract. The intelligent contracts are written into the blockchain in a mode of reduction and coding, and the transparent trackable and tamper-proof processes of storage, reading and execution of the whole processes can be guaranteed by the blockchain technology.
Referring to fig. 1, a flow chart of a generating method of a digital commemorative coin based on a blockchain according to an embodiment of the present invention is shown, and the method may include the following steps:
s101, combining all the participants participating in the digital commemorative coin to form a digital commemorative coin alliance chain.
Taking national issuing digital commemorative coins as an example, a digital commemorative coin alliance chain can be formed by combining a Renminbi bank and each participant bank, and the digital commemorative coin alliance chain is used as a platform for issuing digital commemorative coins. Referring to fig. 2, a schematic diagram of a digital commemorative coin issuing platform is shown, wherein bank a is used as an issuer of the digital commemorative coin, and forms a blockchain network with each accepting commercial bank, such as bank B, bank C, bank D and bank E, so that the functions of issuing the digital commemorative coin, distributing the amount and exchanging customer information among branches are mainly realized. Therefore, the pressure of the bank A facing the customer directly can be avoided, the bank A facing the commercial bank (B, C, D, E bank) directly, and the commercial bank exchanges the digital commemorative coins to the customer through the amount digital wallet in the respective terminal bank.
S102, storing the digital commemorative coin generated by the digital commemorative coin alliance chain in the form of intelligent contract on the digital commemorative coin alliance chain.
Each digital commemorative coin is stored in the form of intelligent contracts on the blockchain, each intelligent contract stores all information and circulation information of one digital commemorative coin, including signature endorsements of an issuer and a redeemer, authenticity of the digital commemorative coin is ensured to a certain extent, and the information cannot be tampered by digitally storing and circulating the intelligent contracts on the blockchain.
S103, determining the display information of the digital commemorative coin through the information stored in the intelligent contract;
s104, sending the digital commemorative coin comprising the display information to the client side, so that the client side obtains the display information of the digital commemorative coin.
For the commemorative demands of different digital commemorative coins, such as the commemorative of a certain meeting, a certain sport event, etc., different commemorative demands have different commemorative information. Recording this information in the smart contract photo can enable the process of automated validation of the information.
Each digital commemorative coin can be displayed in the electronic wallet of the client mobile banking through information stored in the intelligent contract, a client browses the digital content of the commemorative coin through a specific electronic wallet, and meanwhile, the video and audio data of the commemorative event or the character can be watched through the connection mapped in each digital commemorative coin, so that the display form of the commemorative coin is further enriched, and the commemorative value is improved.
For example, when a person is taken as the display information of the digital commemorative coin, the client can obtain the display information of the digital commemorative coin and can obtain the associated information of the display information, such as the related trace of the person in the digital commemorative coin.
The intelligent contract of the digital commemorative coin in the embodiment of the invention comprises one or more of account information, digital commemorative coin names, digital commemorative coin denominations, digital commemorative coin issuing time, digital commemorative coin hash values, digital commemorative coin historical event information and signature endorsement accounts.
Correspondingly, in the implementation of the invention, the digital commemorative coin generated by the digital commemorative coin alliance chain is stored in the form of intelligent contract on the digital commemorative coin alliance chain, and the method comprises the following steps:
receiving a digital commemorative coin generation request through the digital commemorative coin alliance link, wherein the digital commemorative coin generation request comprises digital commemorative coin generation amount and digital commemorative coin display requirement information;
generating a digital commemorative coin matched with the digital commemorative coin generation request according to the intelligent contract and the digital commemorative coin generation request;
and issuing the digital commemorative coin through the digital commemorative coin alliance chain.
The embodiment of the invention can be used for generating a digital commemorative coin generation request by a digital currency issuing bank, wherein the request at least comprises digital commemorative coin generation gold river, display demand information, issuing quantity, application information and the like. Then the digital commemorative coin alliance chain generates corresponding digital commemorative coins according to the generation request and issues the corresponding digital commemorative coins.
In the embodiment of the invention, the method can further comprise the following steps:
and storing the related information and the circulation information of the digital commemorative coin to a digital commemorative coin alliance chain through an intelligent contract. The related information of the digital commemorative coin refers to information related to commemorative information in the digital commemorative coin, such as character events corresponding to characters included in the digital commemorative coin, scene feature information corresponding to scenes included in the digital commemorative coin, and the like.
The display forms of the digital commemorative coin in the embodiment of the invention comprise a plurality of target display forms which can be selected by a client, such as a text display form, a picture display form, a video display form and the like. So as to facilitate diversified display of information.
The embodiment of the invention can generate the digital commemorative coin based on the blockchain technology, can be used as the supplement of the current common commemorative coin and precious metal commemorative coin, simultaneously constructs a alliance chain through a central row and commercial banks bearing the release to release the commemorative coin, further ensures the credibility and reliability of the digital commemorative coin, and further improves the flow of the digital commemorative coin through the intelligent contract digital storage form on the chain. The digital commemorative coin also enriches the display form of the commemorative event, and customer experience and commemorative value are improved.
Referring to fig. 3, a schematic structural diagram of a generating system of a digital commemorative coin based on a blockchain according to an embodiment of the present invention is shown, the system includes:
a construction unit 10 for constructing a digital commemorative coin alliance chain by combining the respective participants participating in the issuance of the digital commemorative coin;
a storage unit 20 for storing the digital commemorative coin generated by the digital commemorative coin alliance chain in the form of an intelligent contract on the digital commemorative coin alliance chain;
a determining unit 30 for determining presentation information of the digital commemorative coin through information stored in the smart contract;
and a transmitting unit 40 for transmitting the digital commemorative coin including the presentation information to a client so that the client obtains the presentation information of the digital commemorative coin.
On the basis of the above embodiment, the smart contract includes: account information, digital commemorative coin name, digital commemorative coin denomination, digital commemorative coin issuance time, digital commemorative coin hash value, digital commemorative coin historical event information, and signed-endorsement account.
On the basis of the above embodiment, the storage unit includes:
a receiving subunit, configured to receive a digital commemorative coin generation request through the digital commemorative coin alliance link, where the digital commemorative coin generation request includes a digital commemorative coin generation amount and digital commemorative coin display requirement information;
a generation subunit, configured to generate a digital commemorative coin matched with the digital commemorative coin generation request according to the intelligent contract and the digital commemorative coin generation request;
and the issuing subunit is used for issuing the digital commemorative coins through the digital commemorative coin alliance chain.
On the basis of the above embodiment, the system further includes:
the storage unit is further used for storing the related information and the circulation information of the digital commemorative coin to the digital commemorative coin alliance chain through the intelligent contract.
On the basis of the above embodiment, the system further includes:
and the display unit is used for displaying the digital commemorative coin in a target display form, wherein the target form comprises a text mode, a picture mode and/or a video mode.
The invention provides a generation system of digital commemorative coins based on a blockchain, which comprises a component unit, wherein all participants participating in issuing the digital commemorative coins are combined to form a digital commemorative coin alliance chain; the storage unit stores the digital commemorative coin generated by the digital commemorative coin alliance chain on the digital commemorative coin alliance chain in the form of intelligent contracts; the determining unit determines the display information of the digital commemorative coin through the information stored in the intelligent contract; the transmitting unit transmits the digital commemorative coin including the presentation information to the client side, so that the client side obtains the presentation information of the digital commemorative coin. Based on the blockchain technology, the display information is fused on the digital currency, so that the display forms of the digital currency are diversified, the digital display of the digital commemorative coin is realized, and the requirements of users are met.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A method for generating a blockchain-based digital commemorative coin, the method comprising:
combining all the participants participating in issuing the digital commemorative coin into a digital commemorative coin alliance chain;
storing the digital commemorative coins generated by the digital commemorative coin alliance chain in the form of intelligent contracts on the digital commemorative coin alliance chain; the intelligent contracts on the block chain are used for digital storage and circulation, so that the non-falsification of information is ensured;
determining the display information of the digital commemorative coin through the information stored in the intelligent contract;
sending the digital commemorative coin comprising the display information to a client side, so that the client side obtains the display information of the digital commemorative coin;
the method for storing the digital commemorative coin generated by the digital commemorative coin alliance chain in the form of intelligent contract comprises the following steps:
receiving a digital commemorative coin generation request through the digital commemorative coin alliance link, wherein the digital commemorative coin generation request comprises digital commemorative coin generation amount and digital commemorative coin display requirement information;
generating a digital commemorative coin matched with the digital commemorative coin generation request according to the intelligent contract and the digital commemorative coin generation request;
and issuing the digital commemorative coin through the digital commemorative coin alliance chain.
2. The method of claim 1, wherein the smart contract comprises: account information, digital commemorative coin name, digital commemorative coin denomination, digital commemorative coin issuance time, digital commemorative coin hash value, digital commemorative coin historical event information, and signed-endorsement account.
3. The method according to claim 1, wherein the method further comprises:
and storing the related information and the circulation information of the digital commemorative coin to the digital commemorative coin alliance chain through the intelligent contract.
4. The method according to claim 1, wherein the method further comprises:
and displaying the digital commemorative coin in a target display form, wherein the target form comprises a text mode, a picture mode and/or a video mode.
5. A blockchain-based digital commemorative coin generation system, said system comprising:
the building unit is used for jointly building the participants participating in issuing the digital commemorative coins into a digital commemorative coin alliance chain;
the storage unit is used for storing the digital commemorative coins generated by the digital commemorative coin alliance chain in the form of intelligent contracts on the digital commemorative coin alliance chain; the intelligent contracts on the block chain are used for digital storage and circulation, so that the non-falsification of information is ensured;
a determining unit, configured to determine, according to the information stored in the smart contract, presentation information of the digital commemorative coin;
the sending unit is used for sending the digital commemorative coin comprising the display information to a client side, so that the client side obtains the display information of the digital commemorative coin;
the memory cell includes:
a receiving subunit, configured to receive a digital commemorative coin generation request through the digital commemorative coin alliance link, where the digital commemorative coin generation request includes a digital commemorative coin generation amount and digital commemorative coin display requirement information;
a generation subunit, configured to generate a digital commemorative coin matched with the digital commemorative coin generation request according to the intelligent contract and the digital commemorative coin generation request;
and the issuing subunit is used for issuing the digital commemorative coins through the digital commemorative coin alliance chain.
6. The system of claim 5, wherein the smart contract comprises: account information, digital commemorative coin name, digital commemorative coin denomination, digital commemorative coin issuance time, digital commemorative coin hash value, digital commemorative coin historical event information, and signed-endorsement account.
7. The system of claim 5, wherein the system further comprises:
the storage unit is further used for storing the related information and the circulation information of the digital commemorative coin to the digital commemorative coin alliance chain through the intelligent contract.
8. The system of claim 5, wherein the system further comprises:
and the display unit is used for displaying the digital commemorative coin in a target display form, wherein the target form comprises a text mode, a picture mode and/or a video mode.
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| WO2019152381A1 (en) * | 2018-01-31 | 2019-08-08 | Walmart Apollo, Llc | System and method for digital currency via blockchain |
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| CN107067241A (en) * | 2017-02-06 | 2017-08-18 | 吕文华 | A kind of runtime of binary system digital currency |
| CN111198888A (en) * | 2020-02-15 | 2020-05-26 | 苏州区盟链数字科技有限公司 | Method and system for dynamically generating and monitoring digital currency crown number |
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