CN112200566B - Artwork transaction method and system based on block chain - Google Patents
Artwork transaction method and system based on block chain Download PDFInfo
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- CN112200566B CN112200566B CN202010936940.7A CN202010936940A CN112200566B CN 112200566 B CN112200566 B CN 112200566B CN 202010936940 A CN202010936940 A CN 202010936940A CN 112200566 B CN112200566 B CN 112200566B
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- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
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Abstract
The invention discloses a block chain-based artwork transaction method and system, wherein the transaction system comprises the following steps: the system comprises a trading center node, an appreciation expert node and a user node, wherein the appreciation expert node sends appreciation words and evaluation values of artworks to be traded to the trading center node, the trading center node selects recommended appreciation words from the appreciation words, sends the recommended appreciation words and basic information of the artworks to be traded to a first potential user node, carries out qualification review screening on the first potential user after receiving a trading interest participation direction of the first potential user node to obtain a second potential user, and allocates a temporary account number for the second potential user for trading, wherein the first potential user is a user with artwork trading history.
Description
Technical Field
The invention relates to the technical field of artwork transaction, in particular to an artwork transaction method and system based on a block chain.
Background
Artwork is a crystal of an artist's intellectual labor achievement. It circulates in the art market as a special commodity, and like other commodities, it also has the basic attributes of common commodities: use value and value; in contrast, the value of the artwork is embodied at a mental level rather than a physical level, which is aimed at meeting certain aesthetic and mental needs of people. Therefore, the use value of the artwork is greatly influenced by subjective factors. In the existing work of art transaction, the market is disordered, the fishes and the dragons are mixed, and the transaction safety is low.
Disclosure of Invention
The present invention is directed to a method and system for trading artwork based on block chain, so as to solve the problems mentioned in the background art.
In order to solve the technical problems, the invention provides the following technical scheme: an artwork transaction system based on a block chain,
the transaction system includes: the system comprises a trading center node, an appreciation expert node and a user node, wherein the appreciation expert node sends appreciation words and evaluation values of artworks to be traded to the trading center node, the trading center node selects recommended appreciation words from the appreciation words, sends the recommended appreciation words and basic information of the artworks to be traded to a first potential user node, carries out qualification review screening on the first potential user after receiving a trading interest participation direction of the first potential user node to obtain a second potential user, and allocates a temporary account number for the second potential user for trading, wherein the first potential user is a user with artwork trading history.
Further, the trading center node comprises a appreciation assessment module, an qualification review module and an account number distribution module, the appreciation assessment module comprises an appreciation history acquisition module, a appreciation assessment parameter calculation module and an assessment parameter ordering module, the appreciation history acquisition module is used for acquiring the times that appreciation experts corresponding to each appreciation term have intention to participate in artwork trading in the last month, the times that appreciation terms are selected as recommended appreciation terms in the last month, the time difference between the selection time of the appreciation term and the time that appreciation terms are selected as recommended appreciation terms by appreciation experts in the last time, the appreciation assessment parameter calculation module calculates appreciation assessment parameters of each appreciation term according to the information acquired by the appreciation history acquisition module, the assessment parameter ordering module orders the appreciation assessment parameters in a small-to-large order, selecting appreciation words of the first five appreciation words in the appreciation word evaluation parameter sequence as recommended appreciation words; the system comprises an qualification examination module, an account number distribution module and a first temporary account number distribution module, wherein the qualification examination module collects identity marks of all first potential users after receiving the participation transaction intention of a first potential user node, selects the first potential user as a second potential user when the identity marks of the first potential users are integrity marks, and the account number distribution module is used for comparing the magnitude relation between the highest value of the historical transaction price of the second potential user and the comprehensive evaluation value of the artwork to be transacted; and when the highest value of the historical transaction price of the second potential user is more than or equal to the comprehensive evaluation value of the artwork to be transacted, allocating a second temporary account number and a corresponding second binding code to the second potential user, wherein the comprehensive evaluation value of the artwork to be transacted is the average value of the evaluation values sent by the appreciation expert node.
The user node further comprises an account binding and unbinding module and an account detection and control module, wherein the account binding and unbinding module is used for temporarily binding a node account of a second potential user with a temporary account through a binding code after the temporary account is allocated to the second potential user, and when the second potential user detects that the artwork transaction to be traded is finished, the temporary account is unbound with the node account of the second potential user, and the binding code is invalid, the account detection and control module comprises an account type judgment module, an offer comparison module, a balance comparison module and an offer transmission module, when the account type judgment module offers the artwork to be traded at the second potential user node, whether the temporary account of the second potential user is a second temporary account is judged, and if the temporary account of the second potential user is a first temporary account, the offer transmission module directly transmits the offer of the second potential user to the trading center through the first temporary account And if the temporary account number of the second potential user is the second temporary account number, the quotation comparison module compares the relation between the quotation of the second potential user and a quotation threshold value, when the quotation is less than the quotation threshold value, the quotation transmission module directly transmits the quotation of the second potential user to the trading center node through the second temporary account number, when the quotation is more than or equal to the quotation threshold value, the balance comparison module compares the account balance of the second potential user and the relation between the balance threshold value and the balance, when the balance is more than or equal to the balance threshold value, the quotation transmission module directly transmits the quotation of the second potential user to the trading center node through the second temporary account number, and when the balance is less than the balance threshold value, the quotation is refused to be transmitted to the trading center node.
Further, the user node further comprises an identification investigation module, the identification investigation module comprises a violation condition acquisition module, an identity acquisition module, an investigation period transaction record acquisition module, a violation condition setting module and an integrity flag setting module, the violation condition setting module is used for setting the identity of the current investigation period amount of the user node as a violation flag, the integrity flag setting module is used for setting the identity of the current investigation period amount of the user node as an integrity flag, the violation condition acquisition module is used for acquiring the violation condition of the last investigation period of the user node, when the user has violation in the last investigation period, the violation condition setting module is made to work, when the user has no violation in the last investigation period, the identity acquisition module is made to acquire the identity of the last investigation period of the user node, if the identity mark of the last investigation period of the user node is an integrity mark, the integrity mark setting module works, if the identity mark of the last investigation period of the user node is a violation mark, the investigation period transaction record acquisition module acquires an artwork transaction record existing in the last investigation period of the user, and the integrity mark setting module works when the transaction price maximum value in the transaction record is larger than or equal to the price threshold value, otherwise, the violation mark setting module works.
A blockchain-based artwork trading method, the trading method comprising the following:
the method comprises the steps that an appreciation expert node sends appreciation words and evaluation values of artworks to be traded to a trading center node, the trading center node selects recommended appreciation words from the appreciation words, sends the recommended appreciation words and basic information of the artworks to be traded to a first potential user node, carries out qualification review screening on a first potential user after receiving a trading interest participation direction of the first potential user node to obtain a second potential user, and distributes a temporary account number for trading to the second potential user, wherein the first potential user is a user with artwork trading history.
Further, the trade center node selects the recommended appreciation from the trade center node comprises the following steps:
acquiring the number J1 of times that the appreciation expert corresponding to each appreciation word has intention to participate in the artwork trading in the last month, the number X1 of times that the appreciation word in the last month is selected as the recommended appreciation word, and the time difference T1 between the selection time of the appreciation word and the selection time of the appreciation expert which has the last appreciation word as the recommended appreciation word;
calculating each appreciation evaluation parameter P ═ a1 × J1/Jz + a2 × 1/Jz + a3 (T1-Tmin)/(Tmax-Tmin), wherein the number of times that the Jz trading center node has conducted art trades in the last month, Tmin is the minimum value of the time difference between the selection time of the appreciation and the time when the appreciation expert has selected the recommended appreciation last time, Tmax is the maximum value of the time difference between the selection time of the appreciation and the time when the appreciation expert has selected the recommended appreciation last time, and wherein a1, a2, a3 are weights;
and sorting the appreciation assessment parameters in the order from small to large, and selecting appreciation words in the top five sorted appreciation assessment parameters as recommended appreciation words.
Further, the screening the first potential user for qualification screening to obtain the second potential user includes the following:
collecting identity of each first potential user, wherein the identity comprises integrity identity and violation identity,
if the identity of the first potential user is a honest identity, selecting the first potential user as a second potential user;
acquiring the highest value of the historical transaction price in the artwork transaction record of each second potential user, and if the highest value of the historical transaction price of the second potential user is greater than or equal to the comprehensive evaluation value of the artwork to be transacted, allocating a first temporary account number and a corresponding first binding code to the second potential user;
if the highest value of the historical transaction price of the second potential user is larger than or equal to the comprehensive evaluation value of the artwork to be transacted, a second temporary account number and a corresponding second binding code are allocated to the second potential user;
wherein, the comprehensive evaluation value of the artwork to be traded is the average value of the evaluation values sent by the appreciation expert node.
Further, the transaction method further comprises:
after the temporary account is allocated to the second potential user, the second potential user temporarily binds the node account of the second potential user with the temporary account through the binding code,
and when the artwork to be traded is detected to be traded, the temporary account number and the second potential user node account number are unbound, and the binding code is invalid.
Further, the transaction method further comprises:
when a second potential user node carries out quotation on the artwork to be traded, if the temporary account number of the second potential user is a second temporary account number, when the quotation is smaller than a quotation threshold value, the quotation is directly transmitted to the trading center node through the second temporary account number; when the quotation is greater than or equal to the quotation threshold value, the account balance of a second potential user is obtained, if the balance is greater than or equal to the balance threshold value, the quotation is directly transmitted to the trading center node through a second temporary account number, and if the balance is less than the balance threshold value, the quotation is refused to be transmitted to the trading center node;
and if the temporary account number of the second potential user node is the first temporary account number, directly transmitting the quotation to the trading center node through the first temporary account number.
Further, the transaction method further comprises:
acquiring the identity of the last investigation period of the user node and the illegal communication condition of the last investigation period, if the user has the illegal credit in the last investigation period, setting the identity of the current investigation period of the user node as the illegal credit identity, if the user has no defaulting condition in the last investigation period, when the identity of the last investigation period of the user node is a honest identity, setting the identity of the current investigation period of the user node as a credibility identity, when the identity of the last investigation period of the user node is a violation identity, and if the user has an artwork transaction record in the last investigation period and the transaction price maximum value in the transaction record is greater than or equal to the price threshold value, setting the identity of the current investigation period amount of the user node as an integrity identity, and otherwise, setting the identity of the current investigation period amount of the user node as a violation identity.
Compared with the prior art, the invention has the following beneficial effects: the invention screens according to the historical artwork transaction records of the user, and simultaneously sets anonymous transaction in the artwork transaction process, thereby reducing cheating and stir-frying behaviors in the artwork transaction process, maintaining the order in the artwork transaction market and improving the safety performance in the artwork transaction process.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a block diagram of a block chain based work of art transaction system according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a blockchain-based artwork transaction system, the transaction system comprising: the system comprises a trading center node, an appreciation expert node and a user node, wherein the appreciation expert node sends appreciation words and evaluation values of artworks to be traded to the trading center node, the trading center node selects recommended appreciation words from the appreciation words, sends the recommended appreciation words and basic information of the artworks to be traded to a first potential user node, carries out qualification review screening on the first potential user after receiving a trading interest participation direction of the first potential user node to obtain a second potential user, and allocates a temporary account number for the second potential user for trading, wherein the first potential user is a user with artwork trading history.
The transaction center node comprises an appreciation word selecting module, a qualification examining module and an account number distributing module, the appreciation word selecting module comprises an appreciation history obtaining module, an appreciation word evaluation parameter calculating module and an evaluation parameter sequencing module, the appreciation history acquisition module is used for acquiring the times that appreciation experts corresponding to each appreciation word have intention to participate in artwork trading in the last month, the times that appreciation words in the last month are selected as recommended appreciation words, the time difference between the selection time of the appreciation words and the time that appreciation experts have the latest appreciation words as the recommended appreciation words, the appreciation assessment parameter calculation module calculates appreciation assessment parameters of each appreciation according to the information acquired by the appreciation history acquisition module, the evaluation parameter sorting module sorts the appreciation assessment parameters in a sequence from small to large, and selects appreciation words in the first five times of the appreciation assessment parameter sorting as recommended appreciation words; the system comprises an qualification examination module, an account number distribution module and a first temporary account number distribution module, wherein the qualification examination module collects identity marks of all first potential users after receiving the participation transaction intention of a first potential user node, selects the first potential user as a second potential user when the identity marks of the first potential users are integrity marks, and the account number distribution module is used for comparing the magnitude relation between the highest value of the historical transaction price of the second potential user and the comprehensive evaluation value of the artwork to be transacted; and when the highest value of the historical transaction price of the second potential user is more than or equal to the comprehensive evaluation value of the artwork to be transacted, allocating a second temporary account number and a corresponding second binding code to the second potential user, wherein the comprehensive evaluation value of the artwork to be transacted is the average value of the evaluation values sent by the appreciation expert node.
The user node also comprises an account binding and unbinding module and an account detecting and controlling module, wherein the account binding and unbinding module is used for temporarily binding a node account of a second potential user with a temporary account through a binding code after the temporary account is allocated to the second potential user, and unbinding the temporary account with a node account of the second potential user when the transaction of the artwork to be traded is detected to be finished, and the binding code is invalid, the account detecting and controlling module comprises an account type judging module, an offer comparing module, a balance comparing module and an offer transmitting module, the account type judging module judges whether the temporary account of the second potential user is a second temporary account when the offer of the artwork to be traded is carried out at the node of the second potential user, and if the temporary account of the second potential user is a first temporary account, the offer transmitting module directly transmits the offer of the second potential user to the trading center node through the first temporary account, if the temporary account number of the second potential user is the second temporary account number, the quotation comparison module compares the relation between the quotation of the second potential user and a quotation threshold value, when the quotation is less than the quotation threshold value, the quotation transmission module directly transmits the quotation of the second potential user to the trading center node through the second temporary account number, when the quotation is more than or equal to the quotation threshold value, the balance comparison module compares the account balance of the second potential user and the relation between the account balance and the balance threshold value, when the balance is more than or equal to the balance threshold value, the quotation transmission module directly transmits the quotation of the second potential user to the trading center node through the second temporary account number, and when the balance is less than the balance threshold value, the quotation is refused to be transmitted to the trading center node.
The user node also comprises an identification investigation module, the identification investigation module comprises a violation condition acquisition module, an identity identification acquisition module, an investigation period transaction record acquisition module, a violation identification setting module and an integrity identification setting module, the violation identification setting module is used for setting the identity of the current investigation period amount of the user node as a violation identification, the integrity identification setting module is used for setting the identity of the current investigation period amount of the user node as an integrity identification, the violation condition acquisition module is used for acquiring the violation condition of the previous investigation period of the user node and instructing the violation identification setting module to work when the user has violation in the previous investigation period, the identity acquisition module is used for acquiring the identity of the previous investigation period of the user node when the user does not have violation in the previous investigation period, and if the identity of the previous investigation period of the user node is an integrity identification, and the integrity identification setting module works, if the identity identification of the last investigation period of the user node is a violation identification, the investigation period transaction record acquisition module acquires that the user has an artwork transaction record in the last investigation period, and the integrity identification setting module works when the transaction price maximum value in the transaction record is greater than or equal to the price threshold value, otherwise, the violation identification setting module works.
A blockchain-based artwork trading method, the trading method comprising the following:
the method comprises the steps that an appreciation expert node sends appreciation words and evaluation values of artworks to be traded to a trading center node, the trading center node selects recommended appreciation words from the appreciation words, when the trading center node is about to sell a piece of artworks, each appreciation expert is invited to enjoy, and after appreciation, the appreciation experts send appreciation words and evaluation marks of the piece of artworks to the trading center node;
the trade center node selects the recommended appreciation words from the trade center node and comprises the following steps:
acquiring the number J1 of times that the appreciation expert corresponding to each appreciation word has intention to participate in the artwork trading in the last month, the number X1 of times that the appreciation word in the last month is selected as the recommended appreciation word, and the time difference T1 between the selection time of the appreciation word and the selection time of the appreciation expert which has the last appreciation word as the recommended appreciation word;
calculating each appreciation evaluation parameter P ═ a1 × J1/Jz + a2 × 1/Jz + a3 (T1-Tmin)/(Tmax-Tmin), wherein the number of times that the Jz trading center node has conducted art trades in the last month, Tmin is the minimum value of the time difference between the selection time of the appreciation and the time when the appreciation expert has selected the recommended appreciation last time, Tmax is the maximum value of the time difference between the selection time of the appreciation and the time when the appreciation expert has selected the recommended appreciation last time, and wherein a1, a2, a3 are weights; the number of times of taking part in the transaction intention of the artwork is the number of times of taking part in the transaction intention when the appreciation expert is taken as the first potential user; the time difference between the selection time of the appreciation language and the time when the appreciation expert selects the appreciation language as the recommended appreciation language last time is the time when the trading center starts to select the recommended appreciation language of the artwork and the time when the appreciation expert corresponding to each appreciation language selects the appreciation language as the recommended appreciation language in the last month; a1, a2 and a3 are numbers between 0 and 1, and are set according to actual requirements, a1, a2 and a3 can be respectively 0.3, 0.3 and 0.4, so that the appreciation term evaluation parameter P is 0.3 × J1/Jz +0.3 × 1/Jz +0.4 (T1-Tmin)/(Tmax-Tmin);
sorting the appreciation assessment parameters in a descending order, and selecting appreciation words in the first five times of the ranking of the appreciation assessment parameters as recommended appreciation words; when the recommended appreciation is selected, the appreciation experts are selected to participate in the transaction for a smaller number of times and the appreciation experts are selected to have a smaller number of times, so that the recommended appreciation is more fair, the evaluation of the product to be traded is more fair, the trade cheating is prevented, and the base selling or high selling of the artwork is prevented.
The trading center node sends the recommended appreciation words and the basic information of the artworks to be traded to the first potential user node, after receiving the trading participation direction of the first potential user node, carries out qualification screening on the first potential user to obtain a second potential user, and allocates a temporary account number for the second potential user to be traded, wherein the first potential user is a user with an artwork trading history.
The screening of the first potential user for qualification screening to obtain the second potential user comprises the following steps:
collecting identity of each first potential user, wherein the identity comprises integrity identity and violation identity,
if the identity of the first potential user is a honest identity, selecting the first potential user as a second potential user;
acquiring the highest value of the historical transaction price in the artwork transaction record of each second potential user, and if the highest value of the historical transaction price of the second potential user is greater than or equal to the comprehensive evaluation value of the artwork to be transacted, allocating a first temporary account number and a corresponding first binding code to the second potential user;
if the highest value of the historical transaction price of the second potential user is larger than or equal to the comprehensive evaluation value of the artwork to be transacted, a second temporary account number and a corresponding second binding code are allocated to the second potential user;
wherein, the comprehensive evaluation value of the artwork to be traded is the average value of the evaluation values sent by the appreciation expert node.
After the temporary account is allocated to the second potential user, the second potential user temporarily binds the node account with the temporary account through the binding code,
and when the artwork to be traded is detected to be traded, the temporary account number and the second potential user node account number are unbound, and the binding code is invalid. The first temporary account number and the second temporary account number are preset, and when an artwork to be traded starts, the corresponding temporary account number generates a corresponding binding code for binding the user node account number and the temporary account number, and when the artwork trading success is detected, the temporary account number and the user node account number are automatically unbound; when a user carries out quotation transaction, the user carries out quotation by using the allocated temporary account number, so that the privacy safety performance of the user can be guaranteed, and the frying action in the artwork transaction process can be reduced;
when a second potential user node carries out quotation on the artwork to be traded, if the temporary account number of the second potential user is a second temporary account number, when the quotation is smaller than a quotation threshold value, the quotation is directly transmitted to the trading center node through the second temporary account number; when the quotation is greater than or equal to the quotation threshold value, the account balance of a second potential user is obtained, if the balance is greater than or equal to the balance threshold value, the quotation is directly transmitted to the trading center node through a second temporary account number, and if the balance is less than the balance threshold value, the quotation is refused to be transmitted to the trading center node; different quotation processing is carried out on different types of temporary account numbers, so that successful transaction of artworks is further guaranteed;
and if the temporary account number of the second potential user node is the first temporary account number, directly transmitting the quotation to the trading center node through the first temporary account number.
Acquiring the identity of the last investigation period of the user node and the illegal communication condition of the last investigation period, if the user has the illegal credit in the last investigation period, setting the identity of the current investigation period of the user node as the illegal credit identity, if the user has no defaulting condition in the last investigation period, when the identity of the last investigation period of the user node is a honest identity, setting the identity of the current investigation period of the user node as a credibility identity, when the identity of the last investigation period of the user node is a violation identity, and if the user has an artwork transaction record in the last investigation period and the transaction price maximum value in the transaction record is greater than or equal to the price threshold value, setting the identity of the current investigation period amount of the user node as a truthful identity, or setting the identity of the current investigation period amount of the user node as a defaulting identity. The identity mark is used for helping to identify the credit condition of the user, an investigation period is set, for example, three months of examinations are carried out on the artwork transaction condition of the user once, and accordingly, the identity mark of the user is judged to be set, so that the identity mark of the user is not changed all the time, and the transaction flexibility is improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A blockchain-based artwork transaction system, comprising: the system comprises a trading center node, an appreciation expert node and a user node, wherein the appreciation expert node sends appreciation words and evaluation values of artworks to be traded to the trading center node, the trading center node selects recommended appreciation words from the appreciation words, sends the recommended appreciation words and basic information of the artworks to be traded to a first potential user node, carries out qualification review screening on a first potential user after receiving a trading interest participation direction of the first potential user node to obtain a second potential user, and allocates a temporary account number to the second potential user for trading, wherein the first potential user is a user with artwork trading history;
the transaction center node comprises an appreciation word selecting module, a qualification examining module and an account number distributing module, the appreciation selecting module comprises an appreciation history obtaining module, an appreciation evaluation parameter calculating module and an evaluation parameter sequencing module, the appreciation history acquisition module is used for acquiring the times that appreciation experts corresponding to each appreciation word have intention to participate in artwork trading in the last month, the times that appreciation words in the last month are selected as recommended appreciation words, the time difference between the selection time of the appreciation words and the time that appreciation experts have the latest appreciation words as the recommended appreciation words, the appreciation assessment parameter calculation module calculates appreciation assessment parameters of each appreciation according to the information acquired by the appreciation history acquisition module, the evaluation parameter sorting module sorts the appreciation assessment parameters in a sequence from small to large, and selects appreciation words in the first five times of the appreciation assessment parameter sorting as recommended appreciation words; the system comprises an qualification examination module, an account number distribution module and a first temporary account number distribution module, wherein the qualification examination module collects identity marks of all first potential users after receiving the participation transaction intention of a first potential user node, selects the first potential user as a second potential user when the identity marks of the first potential users are integrity marks, and the account number distribution module is used for comparing the magnitude relation between the highest value of the historical transaction price of the second potential user and the comprehensive evaluation value of the artwork to be transacted; when the highest value of the historical trading price of a second potential user is smaller than the comprehensive evaluation value of the artwork to be traded, a second temporary account and a corresponding second binding code are allocated to the second potential user, wherein the comprehensive evaluation value of the artwork to be traded is the average value of the evaluation values sent by the appreciation expert node;
the user node also comprises an account binding and unbinding module and an account detecting and controlling module, wherein the account binding and unbinding module is used for temporarily binding a node account of a second potential user with a temporary account through a binding code after the temporary account is allocated to the second potential user, and unbinding the temporary account with a node account of the second potential user when the transaction of the artwork to be traded is detected to be finished, and the binding code is invalid, the account detecting and controlling module comprises an account type judging module, an offer comparing module, a balance comparing module and an offer transmitting module, the account type judging module judges whether the temporary account of the second potential user is a second temporary account when the offer of the artwork to be traded is carried out at the node of the second potential user, and if the temporary account of the second potential user is a first temporary account, the offer transmitting module directly transmits the offer of the second potential user to the trading center node through the first temporary account, if the temporary account number of the second potential user is the second temporary account number, the quotation comparison module compares the relation between the quotation of the second potential user and a quotation threshold value, when the quotation is less than the quotation threshold value, the quotation transmission module directly transmits the quotation of the second potential user to the trading center node through the second temporary account number, when the quotation is more than or equal to the quotation threshold value, the balance comparison module compares the account balance of the second potential user and the relation between the balance of the second potential user and the balance threshold value, when the balance is more than or equal to the balance threshold value, the quotation transmission module directly transmits the quotation of the second potential user to the trading center node through the second temporary account number, and when the balance is less than the balance threshold value, the quotation is refused to be transmitted to the trading center node;
the user node also comprises an identification investigation module, the identification investigation module comprises a violation condition acquisition module, an identity identification acquisition module, an investigation period transaction record acquisition module, a violation identification setting module and an integrity identification setting module, the violation identification setting module is used for setting the identity of the current investigation period amount of the user node as a violation identification, the integrity identification setting module is used for setting the identity of the current investigation period amount of the user node as an integrity identification, the violation condition acquisition module is used for acquiring the violation condition of the previous investigation period of the user node and instructing the violation identification setting module to work when the user has violation in the previous investigation period, the identity acquisition module is used for acquiring the identity of the previous investigation period of the user node when the user does not have violation in the previous investigation period, and if the identity of the previous investigation period of the user node is an integrity identification, the integrity mark setting module works, if the identity mark of the last investigation period of the user node is a violation mark, the investigation period transaction record acquisition module acquires that an artwork transaction record exists in the last investigation period of the user, and the integrity mark setting module works when the transaction price maximum value in the transaction record is greater than or equal to a price threshold value, otherwise, the violation mark setting module works;
the trading method of the trading system comprises the following steps:
the method comprises the steps that an appreciation expert node sends appreciation words and evaluation values of artworks to be traded to a trading center node, the trading center node selects recommended appreciation words from the appreciation words, sends the recommended appreciation words and basic information of the artworks to be traded to a first potential user node, carries out qualification review screening on a first potential user after receiving a trading interest participation direction of the first potential user node to obtain a second potential user, and distributes a temporary account number for trading to the second potential user, wherein the first potential user is a user with artwork trading history.
2. The blockchain-based artwork transaction method of claim 1, wherein: the trade center node selects the recommended appreciation words from the trade center node and comprises the following steps:
acquiring the number of times J1 that the appreciation expert corresponding to each appreciation word has intention to participate in the artwork trading in the last month, the number of times X1 that the appreciation word in the last month is selected as the recommended appreciation word, and the time difference T1 between the selection time of the appreciation word and the time that the appreciation expert has the latest appreciation word as the recommended appreciation word;
calculating each appreciation assessment parameter P = a 1J 1/Jz + a 2X 1/Jz + a3 (T1-Tmin)/(Tmax-Tmin), wherein the number of times that the Jz trading center node has conducted art trades for the latest month, Tmin is the minimum value of the time difference between the selection time of the appreciation and the time when the appreciation expert has last selected a recommended appreciation, Tmax is the maximum value of the time difference between the selection time of the appreciation and the time when the appreciation expert has last selected a recommended appreciation, and a1, a2 and a3 are weights;
and sorting the appreciation evaluation parameters in the order from small to large, and selecting appreciation of the first five sorted appreciation evaluation parameters as recommended appreciation.
3. The blockchain-based artwork transaction method of claim 2, wherein: the screening of the first potential user for qualification screening to obtain the second potential user comprises the following steps:
collecting identity of each first potential user, wherein the identity comprises integrity identity and violation identity,
if the identity of the first potential user is a honest identity, selecting the first potential user as a second potential user;
acquiring a historical transaction price maximum value in an artwork transaction record of each second potential user, and if the historical transaction price maximum value of the second potential user is larger than or equal to the comprehensive evaluation value of the artwork to be transacted, allocating a first temporary account number and a corresponding first binding code to the second potential user;
if the highest value of the historical transaction price of the second potential user is smaller than the comprehensive evaluation value of the artwork to be transacted, a second temporary account number and a corresponding second binding code are allocated to the second potential user;
wherein, the comprehensive evaluation value of the artwork to be traded is the average value of the evaluation values sent by the appreciation expert node.
4. The blockchain-based artwork transaction method of claim 3, wherein: the transaction method further comprises:
after the temporary account is allocated to the second potential user, the second potential user temporarily binds the node account of the second potential user with the temporary account through the binding code,
and when the artwork to be traded is detected to be traded, the temporary account number and the second potential user node account number are unbound, and the binding code is invalid.
5. The blockchain-based artwork transaction method of claim 4, wherein: the transaction method further comprises:
when a second potential user node carries out quotation on the artwork to be traded, if the temporary account number of the second potential user is a second temporary account number, when the quotation is smaller than a quotation threshold value, the quotation is directly transmitted to the trading center node through the second temporary account number; when the quotation is greater than or equal to the quotation threshold value, the account balance of a second potential user is obtained, if the balance is greater than or equal to the balance threshold value, the quotation is directly transmitted to the trading center node through a second temporary account number, and if the balance is less than the balance threshold value, the quotation is refused to be transmitted to the trading center node;
and if the temporary account number of the second potential user node is the first temporary account number, directly transmitting the quotation to the trading center node through the first temporary account number.
6. The blockchain-based artwork transaction method of claim 5, wherein: the transaction method further comprises:
acquiring the identity of the last investigation period of the user node and the illegal communication condition of the last investigation period, if the user has the illegal credit in the last investigation period, setting the identity of the current investigation period of the user node as the illegal credit identity, if the user has no defaulting condition in the last investigation period, when the identity of the last investigation period of the user node is a honest identity, setting the identity of the current investigation period of the user node as a credibility identity, when the identity of the last investigation period of the user node is a violation identity, and if the user has an artwork transaction record in the last investigation period and the transaction price maximum value in the transaction record is greater than or equal to the price threshold value, setting the identity of the current investigation period amount of the user node as an integrity identity, and otherwise, setting the identity of the current investigation period amount of the user node as a violation identity.
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