CN109961294A - Commodity based on block chain are really weighed and ownership transfer method and system - Google Patents
Commodity based on block chain are really weighed and ownership transfer method and system Download PDFInfo
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Abstract
It is really weighed the present invention relates to the commodity based on block chain and ownership transfer method and system, this method includes registration block chain identity；It is endowed to commodity progress, the NFC label for being attached to commodity is obtained, and initialize to NFC label；It is activated using NFC label of the block chain identity to commodity；Commodity ownership transfer is carried out using the NFC label after block chain identity and activation.The present invention is by establishing the block chain identity with business account relating, by block chain be introduced into commodity weigh really and ownership transfer during, and utilize random challenge value Validation Mode, a possibility that having prevented physical copy from source, ensure the credible of data source, fake products and the falsifying for preventing logistics links prevent from illegally authorizing and what ownership transfer recorded distort, and the fidelity convenient for the identification of commodities true and false, commodity is traced to the source and the Real-time inventory management of commodity.
Description
Technical field
The present invention relates to the technical fields of block chain, more specifically refer to that the commodity based on block chain are really weighed and ownership
Transfer method and system.
Background technique
It is one yard of an object that brand protection at present, commodity, which are traced to the source with the most common technology of stock control, as the term suggests it is exactly every
Part commodity possess an identity code of uniqueness, and merchandise circulation process can scan identity code and by synchronizing information
The sales information in each stage is grasped convenient for client into production company database, it is ensured that commodity disappear from producing to distributing until flowing into
This whole process can accomplish active seek in expense person's hand.
Currently, for it is this accomplish it is active can target-seeking common technology means include endowed means and laser anti fake label skill
Art, still, both means there is a problem of following: endowed means such as planar bar code technology is since generating mode is simple and replicates
It is low in cost, it is easy duplication, the two-dimensional code scanning of counterfeit comes out and is still certified products, causes brand protection to fail, although can be with
Using additional antifalsification label such as laser anti fake label technology, but due to needing user by naked eyes or in microscopy apparatus checks
The mechanical feature in portion is discerned the false from the genuine, and is not easy to consumer's use, and can not prevent label manufacturer and play tricks；Data are stored in center
Change database, not transparent enough to be easy to distort, accountability mechanism is difficult to land implementation, leads to system to depending on unduly for centralization service
Lack open and scalability, also lacks public credibility for supply chain satellite factory and consumer.
It is really weighed and ownership transfer method therefore, it is necessary to design a kind of commodity based on block chain, realizes that data source can
It leans on, prevents to replicate, prevent from illegally authorizing and what ownership transfer recorded distorts, the fidelity convenient for the identification of commodities true and false, commodity traces back
The Real-time inventory management of source and commodity.
Summary of the invention
It is an object of the invention to overcome the deficiencies of existing technologies, provide the commodity based on block chain really weigh and ownership turn
Shifting method and system.
To achieve the above object, the invention adopts the following technical scheme: the commodity based on block chain are really weighed and ownership turns
Shifting method, which comprises
Register block chain identity；
Commodity are carried out with endowed, acquisition NFC label, and NFC label is initialized；
It is activated using NFC label of the block chain identity to commodity；
Commodity ownership transfer is carried out using the NFC label after block chain identity and activation.
Its further technical solution are as follows: the step of registering block chain identity, comprising the following specific steps
Registration business account；
Block chain account is created, block chain identity is obtained and obtains the corresponding private key of block chain account；
Using block chain account call block chain in block chain identity factory's contract generate block chain Identity Proxy contract,
Block chain Identity Proxy contract controller and block chain identity restore contract；
It is associated with block chain identity and business account.
Its further technical solution are as follows: the step of being associated with block chain identity and business account, comprising the following specific steps
Send association request；
The random challenge value of return business account；
Block chain Identity Proxy contract controller, corresponding setting block chain Identity Proxy contract are called using block chain account
Parameter in controller；
Execute the block chain proof of identification contract in block chain；
Capture and send the block chain event of triggering；
Random challenge value in block chain event is associated with the random challenge value of business account.
Its further technical solution are as follows: commodity are carried out with endowed, acquisition NFC label, and NFC label is initialized
Step, comprising the following specific steps
Creation production authorization is single, specifies merchandise related information, Mass production codeword value, and obtain NFC label；
Surely main code key is set up according to authorization, calculates the derivative code key of codeword value, it is derivative by codeword value storage to NFC label
Code key is stored to the unclonable memory block of physics of NFC label.
Its further technical solution are as follows: commodity are carried out with endowed, acquisition NFC label, and NFC label is initialized
After step, further includes:
NFC label is verified.
Its further technical solution are as follows: the step of NFC label is verified, comprising the following specific steps
The single main code key of codeword value association authorization is stored to certificate server；
Codeword value is stored to NFC label, and records derivative code key in the unclonable memory block of physics, and will derivative code key mark
It is denoted as the derivative code key of standard；
Obtain NFC label codeword value read requests；
Codeword value is returned according to read requests, and is sent to certificate server；
The derivative code key to be measured of codeword value is calculated by codeword value and main code key；
The random challenge value of certificate server is obtained, and is sent to NFC label；
Cryptographic Hash is calculated based on random challenge value and the derivative code key of standard, forms the cryptographic Hash of NFC label；
Cryptographic Hash is calculated based on random challenge value and derivative code key to be measured, forms the cryptographic Hash of certificate server；
Judge whether the cryptographic Hash of certificate server is equal with the cryptographic Hash of NFC label；
If so, being proved to be successful；
If it is not, then authentication failed.
Its further technical solution are as follows: the step of being activated using NFC label of the block chain identity to commodity, including with
Lower specific steps:
It is traced to the source using block chain identity calling using contract, creates commodity registration table contract；
Verify the validity of NFC label；
Commodity registration table contract is called using block chain identity, Unique Product contract, capture triggering are created based on codeword value
Commodity contract event；
Parse commodity contract event parameter, obtain commodity contract address, track commodity ownership and bind codeword value with
Commodity contract address.
Its further technical solution are as follows: commodity ownership is carried out using the NFC label after block chain identity and activation and is turned
The step of shifting, comprising the following specific steps
Assignor reads the codeword value stored in commodity attachment NFC label and codeword value associated commodity contract address；
Assignor calls commodity contract using block chain identity, captures the event of the transfer commodity contract of triggering；
Recipient reads the codeword value stored in commodity attachment NFC label, verifies the validity of NFC label；
It obtains and codeword value associated commodity contract address；
Recipient calls commodity contract to obtain the block chain identity for authorizing brand quotient；
It calls to trace to the source and is associated with contract using the codeword value that contract obtains the storage of block chain, and combine current commodity contract
Brand quotient's authorization conditions of contract address validation commodity；
Recipient calls the confirmation of commodity contract to receive commodity ownership；
The commodity of capture triggering really weigh event；
Parsing commodity really weigh the parameter of event, track commodity ownership.
It is really weighed the present invention also provides the commodity based on block chain and ownership transfer system, including registering unit, label
Initialization unit, activation unit and ownership transfer unit；
The registering unit, for registering block chain identity；
The label initialization unit, it is endowed for being carried out to commodity, NFC label is obtained, and carry out to NFC label initial
Change；
The activation unit, for being activated using block chain identity to the NFC label of commodity；
The ownership transfer unit, it is all for carrying out commodity using the NFC label after block chain identity and activation
Power transfer.
Its further technical solution are as follows: the registering unit includes business account registration module, block chain account creation mould
Block, contract generation module and Identity Association module；
The business account registration module, for registering business account；
The block chain account creation module, for creating block chain account, obtaining block chain identity and obtaining block
The corresponding private key of chain account；
The contract generation module, for calling block chain identity factory's contract in block chain raw using block chain account
Restore contract at block chain Identity Proxy contract, block chain Identity Proxy contract controller and block chain identity；
The Identity Association module, for being associated with block chain identity and business account.
Compared with the prior art, the invention has the advantages that: the commodity of the invention based on block chain are really weighed and ownership
Transfer method, by establish with the block chain identity of business account relating, block chain is introduced into commodity and is weighed really and ownership
In transfer process, and utilize random challenge value Validation Mode, a possibility that having prevented physical copy from source, it is ensured that data
Source it is credible, prevent fake products and the falsifying of logistics links, prevent illegally authorize and ownership transfer record distort, convenient for certification
Commodity true and false, commodity fidelity trace to the source and the Real-time inventory management of commodity.
The invention will be further described in the following with reference to the drawings and specific embodiments.
Detailed description of the invention
Fig. 1 really weighs for the commodity based on block chain that the specific embodiment of the invention provides and the process of ownership transfer method
Figure；
Fig. 2 really weighs for the commodity based on block chain that the specific embodiment of the invention provides and the process of ownership transfer method
Figure；
Fig. 3 is the flow chart for the registration block chain identity that the specific embodiment of the invention provides；
Fig. 4 is the stream activated using NFC label of the block chain identity to commodity that the specific embodiment of the invention provides
Cheng Tu；
Fig. 5 is that the NFC label using block chain identity and after activating that the specific embodiment of the invention provides is shifted
The flow chart of commodity ownership；
Fig. 6 really weighs for the commodity based on block chain that the specific embodiment of the invention provides and the structure of ownership transfer system
Block diagram.
Specific embodiment
In order to more fully understand technology contents of the invention, combined with specific embodiments below to technical solution of the present invention into
One step introduction and explanation, but not limited to this.
Specific embodiment as shown in figs. 1 to 6, the commodity provided in this embodiment based on block chain are really weighed and ownership turns
Shifting method, can be used in brand protection, commodity are traced to the source and the application scenarios such as stock control, realize that data source is reliable, prevent multiple
System prevents from illegally authorizing and what ownership transfer recorded distorts, and the fidelity convenient for the identification of commodities true and false, commodity is traced to the source and commodity
Real-time inventory management.
It is really weighed and ownership transfer method as shown in Figure 1, present embodiments providing the commodity based on block chain, this method packet
It includes:
S1, registration block chain identity；
S2, commodity are carried out with endowed, acquisition NFC label, and NFC label is initialized；
S3, NFC label is verified；
S4, it is activated using NFC label of the block chain identity to commodity；
S5, commodity ownership transfer is carried out using the NFC label after block chain identity and activation.
Further, in certain embodiments, the step of above-mentioned S1 step, registration block chain identity, including it is following
Specific steps:
S11, registration business account；
S12, creation block chain account obtain block chain identity and obtain the corresponding private key of block chain account；
S13, block chain identity factory's contract in block chain is called to generate block chain Identity Proxy using block chain account
Contract, block chain Identity Proxy contract controller and block chain identity restore contract；
S14, association block chain identity and business account.
Above-mentioned S11 step to S14 step, the process create block chain identity and with corresponding business account relating.Product
Board quotient, manufacturer, distributor, retailer, consumer generate block chain account by mobile intelligent terminal, and are initiated with the account
Block chain identity intelligence contract request to create, intelligent contract address after deployment as user block chain identity and with business account
Number association, subsequent all users weigh really and ownership transfer class block chain transaction all by the intelligence contract routing, due to
The private key of block chain account by user's autonomous control, possesses completely even if software service providers can not all palm off block chain identity
The behavior of person, to avoid user from losing control account private key, the built-in control account reset logic of block chain identity, it is only necessary to pre-
The resetting acted on behalf of list and agree to can be completed block chain identity control account first set.
Above-mentioned S11 step completes block chain identity, in block to S14 step specifically in block chain identification system
In chain identification system, block chain identity control account corresponds to ether mill external account, and can using local wallet, (user's storage adds
Code key is decrypted in Mi Miyaoku and code key library), webpage wallet (encryption code key library is stored in server-side, decrypts code key by user's control)
Or the modes such as hardware wallet (account private key is stored in credible physical module, be can be carried out trading signature but cannot be read) are deposited
Storage.
In above-mentioned block chain identification system, block chain identity is all user's autonomous control, and can be known by zero
Knowing proves oneself identity, can act on behalf of list by preset when control account is lost and resets, these agents can select
Government organs or employer's organization etc. are selected, recovery policy can be owner agrees to, majority agree to and most weights are agreed to etc.
Mechanism.
Above-mentioned block chain identity factory's contract is for providing creation block chain identity correlation contract method；Block chain identity
Correspondent contract is as block chain identity, for routing all application contract requests；Block chain Identity Proxy contract controller
Ownership owner as block chain identity factory contract；Block chain identity restores contract for resetting block chain Identity Proxy
The control account of contract controller；Block chain proof of identification contract is used for proving identity when the interaction of third party's operation system.
For above-mentioned S11 step, specifically registered by user (including brand quotient, distributor, retailer, consumer etc.)
Business account.
For above-mentioned S12 step, user creates block chain account by mobile intelligent terminal, and private key is used for signature area
The transaction of block chain.
Further, for above-mentioned S14 step, the step of being associated with block chain identity and business account, including with
Lower specific steps:
S141, association request is sent；
S142, the random challenge value for returning to business account；
S143, block chain Identity Proxy contract controller, corresponding setting block chain identity generation are called using block chain account
Manage the parameter in contract controller；
Block chain proof of identification contract in S144, execution block chain；
S145, capture and the block chain event for sending triggering；
S146, the random challenge value in block chain event is associated with the random challenge value of business account.
Specifically, above-mentioned S141 step to S146 step, user is sent out by mobile intelligent terminal to account working system
Play association block chain identity application；The record application request of account working system, while random challenge value nonce is returned to mobile intelligence
It can terminal；User calls the forward method of block chain Identity Proxy contract controller using block chain account, by block chain body
Parameter destination in part correspondent contract controller is appointed as target contract, and parameter data designation method calling is
proveIdentity(nonce)；After proveIdentity (nonce) method for executing block chain proof of identification contract, block
The block chain event of chain event monitoring system acquisition triggering simultaneously sends it to account working system；Since block chain event is specified
The address of block chain Identity Proxy contract and the incidence relation of random challenge value nonce, and business account system stores industry
Be engaged in account and random challenge value nonce incidence relation, therefore can be established according to random challenge value nonce business account and
Association between block chain identity.
All block chain identity are all autonomous controls, that is to say, that only block chain identity possesses possesses control account just now
Family private key could initiate the transaction of block chain, therefore only brand quotient just has permission and authorizes to its commodity, thus from the root
Protect brand.
Further, in certain embodiments, above-mentioned S2 step carries out endowed, acquisition NFC label to commodity, and
The step of NFC label is initialized, comprising the following specific steps
S21, creation production authorization are single, specify merchandise related information, Mass production codeword value, and obtain NFC label；
S22, surely main code key is set up according to authorization, calculates the derivative code key of codeword value, codeword value is stored to NFC label,
Derivative code key is stored to the unclonable memory block of physics of NFC label.
For above-mentioned S21 step to S22 step, the process is using built-in cryptographic algorithm and encrypts the anti-clone stored
NFC encrypted electronic label realize can verification one yard of an object, specifically carry out commodity endowed operation, brand quotient create production awards
Quan Dan, after specifying the information such as product name, description and authorized quantity, Mass production codeword value；Brand quotient is the single specified master of authorization
Codeword value is written NFC label general memory area, and derives private key obtained by being derived as main code key and codeword value by code key KeyM
KeyT=SHA (KeyM | | #PID), derivative private key is encoded into the unclonable memory block of physics into NFC label.
Anti- clone NFC encryption label increases random challenge Validation Mode, has prevented the possibility of physical copy from source
Property, it is ensured that data source it is credible, prevent fake products and the falsifying of logistics links.
Above-mentioned S21 step and S22 step, it is specifically complete in NFC encrypted electronic label and matched Verification System
At, it is not limited in the system using symmetrical password authentication, can also be using public key cryptography, codeword value can with the mapping relations of public key
In storage to block chain, it is possible to reduce the dependence to centring system and technology, it is ensured that higher public credibility.
Further, in certain embodiments, above-mentioned S3 step, the step of verifying to NFC label, including with
Lower specific steps:
S31, storage codeword value association authorize single main code key to certificate server；
S32, storage codeword value to NFC label, and derivative code key is recorded in the unclonable memory block of physics, and will be derivative secret
Key is labeled as the derivative code key of standard；
S33, NFC label codeword value read requests are obtained；
S34, codeword value is returned to according to read requests, and is sent to certificate server；
S35, the derivative code key to be measured that codeword value is calculated by codeword value and main code key；
S36, the random challenge value for obtaining certificate server, and it is sent to NFC label；
S37, cryptographic Hash is calculated based on random challenge value and the derivative code key of standard, forms the cryptographic Hash of NFC label；
S38, cryptographic Hash is calculated based on random challenge value and derivative code key to be measured, forms the cryptographic Hash of certificate server；
Whether S39, the cryptographic Hash for judging certificate server are equal with the cryptographic Hash of NFC label；
S391, if so, being proved to be successful；
S392, if it is not, then authentication failed.
After NFC label initialization is completed and verifies validity, these NFC labels are sent to manufacturer by brand quotient.
Above-mentioned S3 step, NFC encrypt label and support random challenge Validation Mode, can prevent physical copy from source
A possibility that.It in addition, being transmitted for the data between certificate server and NFC label, is carried out by mobile terminal.
Certificate server stores the single main code key KeyM of codeword value association authorization；NFC label storage codeword value #PID, and
The unclonable derivative code key KeyT=SHA of memory block record of physics (KeyM | | #PID), labeled as the derivative code key eKeyT of standard；
NFC label codeword value read requests are initiated by mobile intelligent terminal；NFC label returns to codeword value #PID, and passes through mobile intelligence
Energy terminal is sent to certificate server；Certificate server calculates derivative code key KeyT=SHA (KeyM to be measured by #PID and KeyM
||#PID)；The random challenge value nonce that mobile intelligent terminal obtains certificate server is sent to NFC label；NFC label is based on
Random challenge value and the derivative code key eKeyT of standard calculate SHA2 cryptographic Hash, and send responses to certificate server；Authentication service
Device is based on random challenge value nonce and derivative code key KeyT to be measured calculates cryptographic Hash, forms the cryptographic Hash SHA2 of certificate server
(KeyT||nonce)；Compare two cryptographic Hash, it is equal, it is proved to be successful, otherwise authentication failed.
Further, in certain embodiments, above-mentioned S4 step, using block chain identity to the NFC label of commodity
The step of being activated, comprising the following specific steps
S41, it is traced to the source using block chain identity calling using contract, creates commodity registration table contract；
S42, the validity for verifying NFC label；
S43, commodity registration table contract is called using block chain identity, Unique Product contract, capture is created based on codeword value
The commodity contract event of triggering；
S44, the parameter for parsing commodity contract event obtain commodity contract address, track commodity ownership and bind commodity
Code and commodity contract address.
Above-mentioned S41 step to S44 step, process is associated with intelligent contract using block chain identity deployment codeword value come real
The brand authorization of existing commodity, manufacturer are that every commodity enclose NFC label to realize one yard of an object, and commodity are then sent to product
Board quotient；After checking and accepting commercial quality qualification, brand quotient passes through the validity that mobile intelligent terminal verifies NFC label, it is ensured that codeword value
For the code of non-physical clone；Brand commercialization block chain identity controls account and initiates a contract creation friendship to block chain traceability system
Easily, codeword value is established and completes with the association of corresponding intelligent contract the brand authorization of commodity.
For above-mentioned S41 step, specifically the block chain identity calling of brand commercialization autonomous control is traced to the source using conjunction
CreateRegistry method about creates commodity registration table contract.
For above-mentioned S42 step, specifically in order to ensure codeword value realizes one yard of an object without physical copy.
For above-mentioned S43 step, the block chain identity of brand commercialization autonomous control calls commodity registration table contract
CreateProduct method creates Unique Product contract for codeword value, realizes one yard of one contract.
For above-mentioned S44 step, specifically completed by block chain event monitoring system, specifically, the creation of commodity contract
When, the commodity contract event of triggering is by block chain event monitoring system acquisition；Block chain event monitoring system analysis commodity contract
Event argument, and commodity ownership tracking system is called to carry out the tracking of commodity ownership, complete codeword value with commodity contract
The binding of location.
The key message for tracking and caching in above-mentioned commodity ownership tracking system includes that ownership is really weighed and shifted, quotient
The information such as product contract address can be checked whether by block chain by distorting, can also be by block chain information come extensive
It is multiple.
Further, in certain embodiments, above-mentioned S5 step, using the NFC after block chain identity and activation
Label carries out the step of commodity ownership transfer, comprising the following specific steps
S51, assignor are with reading the codeword value stored in commodity attachment NFC label and the associated commodity contract of codeword value
Location；
S52, assignor call commodity contract using block chain identity, capture the event of the transfer commodity contract of triggering；
S53, recipient read the codeword value stored in commodity attachment NFC label, verify the validity of NFC label；
S54, acquisition and codeword value associated commodity contract address；
S55, recipient call commodity contract to obtain the block chain identity for authorizing brand quotient；
S56, calling, which are traced to the source, is associated with contract using the codeword value that contract obtains the storage of block chain, and current commodity is combined to close
Brand quotient's authorization conditions of contract address validation commodity about；
S57, recipient call the confirmation of commodity contract to receive commodity ownership；
The commodity that S58, capture trigger really weigh event；
S59, parsing commodity really weigh the parameter of event, track commodity ownership.
For above-mentioned S51 step to S59 step, the logistics or bargain link of commodity, such as from brand quotient to distributor, from
Distributor to retailer, from retailer to consumer, be equivalent to commodity ownership from a side and be transferred to another party, be mapped as block
The ownership that chain codeword value is associated with intelligent contract shifts between two block chain identity, this transfer is sold all including assignor
Power, recipient's identification of commodities code and recipient, which confirm, receives three steps of ownership.Assignor is scanned by mobile intelligent terminal
The NFC label of commodity attachment obtains codeword value, and initiates codeword value using block chain identity control account and be associated with intelligent contract
Transfer the ownership method call；Recipient verifies having for NFC label with NFC label certificate server by mobile intelligent terminal
Effect property and uniqueness, it is ensured that information source it is reliable；Recipient obtains codeword value by mobile intelligent terminal and initiates association intelligence
The confirmation ownership method call of contract completes transfer of the commodity ownership from assignor to recipient.While commodity transfer
Commodity contract ownership transfer is packaged into transaction to be sent on block chain, realizes that the trace to the source decentralization fidelity of information of commodity is deposited
Storage.
For above-mentioned S52 step, commodity contract is specifically called by the block chain identity of autonomous control by assignor
TransferOwnership method, and by block chain event monitoring system acquisition trigger ProductTransfered thing
Part.
For above-mentioned S57 step, specifically, the claimOwnership method of commodity contract is called by recipient, really
Recognize and receives commodity ownership.
For above-mentioned S59 step, the event argument that block chain event monitoring system analysis receives calls commodity all
The tracking that tracking system carries out commodity ownership is weighed, realizes the transfer of commodity ownership.
To S59 step, commodity physical distribution trading link is modeled as commodity ownership and is transferred to from assignor above-mentioned S51 step
Recipient, need assignor and recipient respectively with the block chain identity of its autonomous control control account initiate ownership sell and
Identification of the ownership transaction, prevented either party include service provider forgery ownership transaction request, be conducive to accountability machine
The landing of system is implemented.
It is true that commodity ownership transfer process is not limited only to that assignor relinquishes ownership, recipient verifies codeword value, recipient
Recognize reception ownership, is also possible to recipient and verifies codeword value, recipient applies for ownership, and assignor's confirmation relinquishes ownership
Other modes；Specifically, during commodity ownership transfer, be not limited only to record and have the right transferable information, further include GPS location,
Other satellite informations such as transfer time.
By the way of block chain combination business, enable the accurate commodity ownership of each link real-time tracking of supply chain
Information can preferably realize more efficiently more intelligent inventory management system according to Market Feedback, and terminal user only needs
Item authentication can be completed by mobile intelligent terminal, be not necessarily to third party professional person or additional evaluation apparatus, use door
The low user experience of sill is good.
By the way of block chain combination business, the data for solving each node of physical distribution trading link, which are trusted and shared, is asked
Topic, has trackability, does not depend on single-point, and data the whole network is reached common understanding and openly be can verify that, transparency is high and can not distort,
And relevant government agencies can be introduced and employer's organization coalizes chain as credit and endorses mechanism to enhance public credibility.
Above-mentioned NFC label is anti-clone NFC Electronic Coding label, certainly, in other embodiments, above-mentioned NFC label
Other types physical support, such as RFID chip, electronic lock, above-mentioned intelligent movable can be selected according to different application scenarios
Read-write terminal is the intelligent movable read-write terminal with NFC read-write capability, including but not limited to smart phone, tablet computer, POS
Machine etc..
This method realizes one yard of an object, the mode of one yard of one contract, and every commodity pass through the anti-clone of attachment when leaving the factory
NFC encrypts label to distribute Unique Product code, and the map procedures for carrying out brand authorization to commodity are with brand quotient's block chain identity
It disposes codeword value to be associated on intelligent contract to block chain, commodity physical distribution trading map procedures are that the intelligent contract of codeword value association is turning
It is shifted between the side's of allowing block chain identity and recipient's block chain identity；It is specifically completed by following system: block chain identification system, area
Block chain traceability system, block chain event monitoring system, account working system, commodity ownership tracking system, intelligent movable read-write
Terminal, anti-clone's NFC label and NFC label Verification System etc..
This method using commodity ownership as life cycle, based on NFC label storage codeword value and anti-clonal expansion code key,
Server-side corresponds to code key and random challenge value, by comparing the output of NFC label cryptographic algorithm operation result and certificate server
Value come verify NFC label storage codeword value validity and uniqueness, and due to block chain data can not tamper and quotient
Product code is mapped as on block chain unique intelligent contract in merchandise authorization Shi Douhui, is associated with awarding for intelligent contract by inquiry codeword value
Logistics or the transactions history track for weighing information and the i.e. traceable commodity of ownership transfer record, realize it is more efficient, more transparent,
More credible, more intelligent brand protection, commodity are traced to the source and stock control etc. is applied.Traced to the source based on brand protection, commodity and
The common requirement of stock control is carried using block chain as System core technology using NFC encrypted electronic label as anti-physical copy
Body, using mobile platform as verifying terminal, by modern supply chain logistics trade etc. each link (brand quotient, manufacturer, distributor,
Retailer, consumer) be used as application field, realize more efficient, more transparent, more credible, more intelligent brand protection,
Commodity are traced to the source and stock control etc. is applied, and data source is reliable, and physical distribution trading information can not distort.
The above-mentioned commodity based on block chain are really weighed and ownership transfer method, by establishing the area with business account relating
Block chain identity, by block chain be introduced into commodity weigh really and ownership transfer during, and utilize random challenge value Validation Mode,
A possibility that having prevented physical copy from source, it is ensured that data source it is credible, prevent fake products and the falsifying of logistics links, prevent
What only illegal authorization and ownership transfer recorded distorts, and the fidelity convenient for the identification of commodities true and false, commodity is traced to the source and the reality of commodity
When stock control.
It is really weighed and ownership transfer system as shown in fig. 6, the present embodiment additionally provides the commodity based on block chain comprising
Registering unit 1, label initialization unit 2, activation unit 4 and ownership transfer unit 5.
Registering unit 1, for registering block chain identity.
Label initialization unit 2, it is endowed for being carried out to commodity, NFC label is obtained, and initialize to NFC label.
Unit 4 is activated, for activating using block chain identity to the NFC label of commodity.
Ownership transfer unit 5 turns for carrying out commodity ownership using the NFC label after block chain identity and activation
It moves.
In addition, above-mentioned system further includes authentication unit 3, authentication unit 3 is for verifying NFC label.
Further, in certain embodiments, above-mentioned registering unit 1 includes business account registration module, block chain
Account creation module, contract generation module and Identity Association module.
Business account registration module, for registering business account.
Block chain account creation module, for creating block chain account, obtaining block chain identity and obtaining block chain account
Number corresponding private key.
Contract generation module, for calling the block chain identity factory contract generation area in block chain using block chain account
Block chain Identity Proxy contract, block chain Identity Proxy contract controller and block chain identity restore contract.
Identity Association module, for being associated with block chain identity and business account.
The process create block chain identity and with corresponding business account relating.Brand quotient, manufacturer, distributor, retail
Quotient, consumer generate block chain account by mobile intelligent terminal, and initiate the creation of block chain identity intelligence contract with the account
Request, intelligent contract address after deployment as user block chain identity and with business account relating, subsequent all users
Really power and ownership transfer class block chain transaction all by the intelligence contract routing, due to block chain account private key completely by
User's autonomous control, even if software service providers can not all palm off the behavior of block chain identity owner, to avoid user from losing
Account private key processed out of control, the built-in control account reset logic of block chain identity, it is only necessary to which preset to act on behalf of list same
Imply that the resetting of achievable block chain identity control account.
Above-mentioned registering unit 1 is specifically that block chain identity is completed in block chain identification system, in block chain identity system
In system, block chain identity control account corresponds to ether mill external account, can be using local wallet (user's storage encryption code key library
Decrypt code key with code key library), webpage wallet (encryption code key library is stored in server-side, decrypts code key by user's control) or hardware
The modes such as wallet (account private key is stored in credible physical module, be can be carried out trading signature but cannot be read) store.
In above-mentioned block chain identification system, block chain identity is all user's autonomous control, and can be known by zero
Knowing proves oneself identity, can act on behalf of list by preset when control account is lost and resets, these agents can select
Government organs or employer's organization etc. are selected, recovery policy can be owner agrees to, majority agree to and most weights are agreed to etc.
Mechanism.
Above-mentioned block chain identity factory's contract is for providing creation block chain identity correlation contract method；Block chain identity
Correspondent contract is as block chain identity, for routing all application contract requests；Block chain Identity Proxy contract controller
Ownership owner as block chain identity factory contract；Block chain identity restores contract for resetting block chain Identity Proxy
The control account of contract controller；Block chain proof of identification contract is used for proving identity when the interaction of third party's operation system.
For above-mentioned business account registration module, specifically by user (including brand quotient, distributor, retailer, consumption
Person etc.) registration business account.
For above-mentioned block chain account creation module, user creates block chain account by mobile intelligent terminal, private
Key is for block chain transaction of signing.
Further, in certain embodiments, above-mentioned Identity Association module includes association request submodule, random value
Return to submodule, parameter setting submodule, contract implementation sub-module, the first capture submodule and numerical associations submodule.
Association request submodule, for sending association request.
Random value returns to submodule, for returning to the random challenge value of business account.
Parameter setting submodule, for calling block chain Identity Proxy contract controller using block chain account, correspondence is set
Determine the parameter in block chain Identity Proxy contract controller.
Contract implementation sub-module, for executing the block chain proof of identification contract in block chain.
First capture submodule, for capturing and sending the block chain event of triggering.
Numerical associations submodule, for closing the random challenge value of random challenge value and business account in block chain event
Connection
User initiates association block chain identity application to account working system by mobile intelligent terminal；Account working system
Record application request, while random challenge value nonce is returned to mobile intelligent terminal；User calls block using block chain account
The forward method of chain Identity Proxy contract controller, by the parameter in block chain Identity Proxy contract controller
Destination is appointed as target contract, and it is proveIdentity (nonce) that parameter data designation method, which calls,；Execute block
After proveIdentity (nonce) method of chain proof of identification contract, the block chain of block chain event monitoring system acquisition triggering
Event simultaneously sends it to account working system；Due to block chain event specify block chain Identity Proxy contract address and with
The incidence relation of machine challenging value nonce, and business account system stores business account and the association of random challenge value nonce is closed
System, therefore the association between business account and block chain identity can be established according to random challenge value nonce.
All block chain identity are all autonomous controls, that is, say that only block chain identity possesses and possess control account private just now
Key could initiate the transaction of block chain, therefore only brand quotient just has permission and authorizes to its commodity, to protect from the root
Brand.
Further, in certain embodiments, above-mentioned label initialization unit 2 includes label acquisition module and secret
Key obtains module.
Label acquisition module, it is single for creating production authorization, merchandise related information, Mass production codeword value are specified, and obtain
Take NFC label.
Code key obtains module and calculates the derivative code key of codeword value for setting up surely main code key according to authorization, codeword value is deposited
NFC label is stored up, derivative code key is stored to the unclonable memory block of physics of NFC label.
Label initialization unit 2 is realized using the anti-clone NFC encrypted electronic label of built-in cryptographic algorithm and encryption storage
Can verification one yard of an object, specifically carry out the endowed operation of commodity, it is single that brand quotient creates production authorization, specify product name,
After the information such as description and authorized quantity, Mass production codeword value；Brand quotient is that main code key KeyM is singly specified in authorization, and codeword value is write
Enter NFC label general memory area, and will as main code key and codeword value it is derivative obtained by derivative private key KeyT=SHA (KeyM | | #
PID), derivative private key is encoded into the unclonable memory block of physics into NFC label.
Anti- clone NFC encryption label increases random challenge Validation Mode, has prevented the possibility of physical copy from source
Property, it is ensured that data source it is credible, prevent fake products and the falsifying of logistics links.
Above-mentioned label acquisition module and code key obtain module, specifically in NFC encrypted electronic label and matched recognize
It completes, is not limited in the system using symmetrical password authentication in card system, public key cryptography can also be used, codeword value is with public key
Mapping relations are possibly stored on block chain, it is possible to reduce the dependence to centring system and technology, it is ensured that higher public credibility.
Further, in certain embodiments, above-mentioned authentication unit 3 includes main code key memory module, information storage
Module, codeword value request module, codeword value obtain module, computing module, random value processing module, the first Hash calculation module,
Second Hash calculation module and judgment module.
Main code key memory module, for storing the single main code key of codeword value association authorization to certificate server.
Information storage module, for storing codeword value to NFC label, and it is secret in the unclonable memory block record derivative of physics
Key, and derivative code key is labeled as the derivative code key of standard.
Codeword value request module, for obtaining NFC label codeword value read requests.
Codeword value obtains module, for returning to codeword value according to read requests, and is sent to certificate server.
Computing module, for calculating the derivative code key to be measured of codeword value by codeword value and main code key.
Random value processing module for obtaining the random challenge value of certificate server, and is sent to NFC label.
First Hash calculation module forms NFC mark for calculating cryptographic Hash based on random challenge value and the derivative code key of standard
The cryptographic Hash of label.
Second Hash calculation module forms certification for calculating cryptographic Hash based on random challenge value and derivative code key to be measured
The cryptographic Hash of server.
Whether judgment module, the cryptographic Hash for judging certificate server are equal with the cryptographic Hash of NFC label；If so,
It is proved to be successful；If it is not, then authentication failed.
After NFC label initialization is completed and verifies validity, these NFC labels are sent to manufacturer by brand quotient.
For above-mentioned authentication unit 3, NFC encrypts label and supports random challenge Validation Mode, can be from source
A possibility that preventing physical copy.It is all to pass through movement in addition, being transmitted for the data between certificate server and NFC label
Terminal carries out.
Certificate server stores the single main code key KeyM of codeword value association authorization；NFC label storage codeword value #PID, and
The unclonable derivative code key KeyT=SHA of memory block record of physics (KeyM | | #PID), labeled as the derivative code key eKeyT of standard；
NFC label codeword value read requests are initiated by mobile intelligent terminal；NFC label returns to codeword value #PID, and passes through mobile intelligence
Energy terminal is sent to certificate server；Certificate server calculates derivative code key KeyT=SHA (KeyM to be measured by #PID and KeyM
||#PID)；The random challenge value nonce that mobile intelligent terminal obtains certificate server is sent to NFC label；NFC label is based on
Random challenge value and the derivative code key eKeyT of standard calculate SHA2 cryptographic Hash, and send responses to certificate server；
Certificate server is based on random challenge value nonce and derivative code key KeyT to be measured calculates cryptographic Hash, forms certification clothes
Be engaged in the cryptographic Hash SHA2 (KeyT | | nonce) of device；Compare two cryptographic Hash, it is equal, it is proved to be successful, otherwise authentication failed.
Further, above-mentioned activation unit 4 includes contract creation module, validation verification module, contract processing mould
Block and address acquisition module.
Contract creation module creates commodity registration table contract for tracing to the source using block chain identity calling using contract.
Validation verification module, for verifying the validity of NFC label.
Contract processing module, it is unique based on codeword value creation for calling commodity registration table contract using block chain identity
Commodity contract captures the commodity contract event of triggering.
Address acquisition module obtains commodity contract address, tracking commodity are all for parsing the parameter of commodity contract event
It weighs and binds codeword value and commodity contract address.
Activation unit 4 is associated with intelligent contract using block chain identity deployment codeword value to realize the brand authorization of commodity, life
Business men is that every commodity enclose NFC label to realize one yard of an object, and commodity are then sent to brand quotient；Commercial quality is checked and accepted to close
After lattice, brand quotient verifies the validity of NFC label by mobile intelligent terminal, it is ensured that codeword value is the code of non-physical clone；Product
Board commercialization block chain identity controls account and initiates the creation transaction of contract to block chain traceability system, establish codeword value with it is corresponding
Intelligent contract is associated with to complete the brand authorization of commodity.
For above-mentioned contract creation module, specifically the block chain identity calling of brand commercialization autonomous control, which is traced to the source, is answered
With the createRegistry method of contract, commodity registration table contract is created.
For above-mentioned validation verification module, specifically in order to ensure codeword value realizes an object one without physical copy
Code.
For above-mentioned contract processing module, the block chain identity of brand commercialization autonomous control calls commodity registration table contract
CreateProduct method, for codeword value create Unique Product contract, realize one yard of one contract.
For above-mentioned address acquisition module, specifically completed by block chain event monitoring system, specifically, commodity contract
When creation, the commodity contract event of triggering is by block chain event monitoring system acquisition；Block chain event monitoring system analysis commodity
Contract event argument, and commodity ownership tracking system is called to carry out the tracking of commodity ownership, it completes codeword value and is closed with commodity
The about binding of address.
The key message for tracking and caching in above-mentioned commodity ownership tracking system includes that ownership is really weighed and shifted, quotient
The information such as product contract address can be checked whether by block chain by distorting, can also be by block chain information come extensive
It is multiple.
Further, in certain embodiments, above-mentioned ownership transfer unit 5 includes transferring the possession of read module, second
Trapping module, the first read module, contract address acquisition module, identity calling module, authority checking module, confirmation module,
Three trapping modules and Parameter analysis of electrochemical module.
Read module is transferred the possession of, the codeword value stored in commodity attachment NFC label is read for assignor and codeword value closes
The commodity contract address of connection.
Second trapping module calls commodity contract using block chain identity for assignor, captures the transfer commodity of triggering
The event of contract.
First read module reads the codeword value stored in commodity attachment NFC label for recipient, verifies NFC label
Validity.
Contract address acquisition module, for obtaining and codeword value associated commodity contract address.
Identity calling module calls the block chain identity of commodity contract acquisition authorization brand quotient for recipient.
Authority checking module is associated with contract using the codeword value that contract obtains the storage of block chain for calling to trace to the source, and ties
Close brand quotient's authorization conditions of the contract address validation commodity of current commodity contract.
Confirmation module calls the confirmation of commodity contract to receive commodity ownership for recipient.
Third trapping module, the commodity for capturing triggering really weigh event.
Parameter analysis of electrochemical module really weighs the parameter of event for parsing commodity, tracks commodity ownership.
The logistics or bargain link of commodity, such as from brand quotient to distributor, from distributor to retailer, from retailer to disappearing
Fei Zhe is equivalent to commodity ownership from a side and is transferred to another party, is mapped as block chain codeword value and is associated with all of intelligent contract
Power shifts between two block chain identity, this transfer include assignor relinquish ownership, recipient's identification of commodities code and reception
Side's confirmation receives three steps of ownership.Assignor obtains commodity by the NFC label that mobile intelligent terminal items scanning is adhered to
Code, and the transfer the ownership method call that codeword value is associated with intelligent contract is initiated using block chain identity control account；Recipient
The validity and uniqueness of NFC label are verified by mobile intelligent terminal and NFC label certificate server, it is ensured that information source
Reliably；Recipient obtains codeword value by mobile intelligent terminal and initiates the confirmation ownership method call for being associated with intelligent contract,
Complete transfer of the commodity ownership from assignor to recipient.Commodity contract ownership transfer is packaged into while commodity transfer
Transaction be sent on block chain, realize commodity trace to the source information decentralization fidelity storage.
For the second above-mentioned trapping module, commodity are specifically called by the block chain identity of autonomous control by assignor
The transferOwnership method of contract, and by the triggering of block chain event monitoring system acquisition
ProductTransfered event.
For above-mentioned confirmation module, specifically, the claimOwnership method of commodity contract is called by recipient, really
Recognize and receives commodity ownership.
For above-mentioned Parameter analysis of electrochemical module, the event argument that block chain event monitoring system analysis receives calls quotient
Product ownership tracking system carries out the tracking of commodity ownership, realizes the transfer of commodity ownership.
Commodity physical distribution trading link is modeled as commodity ownership and is transferred to recipient from assignor, needs assignor and reception
Side, which initiates ownership with the block chain identity of its autonomous control control account respectively, to be sold and trades with identification of the ownership, has been prevented times
He Yifang includes the forgery ownership transaction request of service provider, and the landing for being conducive to accountability mechanism is implemented.
It is true that commodity ownership transfer process is not limited only to that assignor relinquishes ownership, recipient verifies codeword value, recipient
Recognize reception ownership, is also possible to recipient and verifies codeword value, recipient applies for ownership, and assignor's confirmation relinquishes ownership
Other modes；Specifically, during commodity ownership transfer, be not limited only to record and have the right transferable information, further include GPS location,
Other satellite informations such as transfer time.
By the way of block chain combination business, enable the accurate commodity ownership of each link real-time tracking of supply chain
Information can preferably realize more efficiently more intelligent inventory management system according to Market Feedback, and terminal user only needs
Item authentication can be completed by mobile intelligent terminal, be not necessarily to third party professional person or additional evaluation apparatus, use door
The low user experience of sill is good.
By the way of block chain combination business, the data for solving each node of physical distribution trading link, which are trusted and shared, is asked
Topic, has trackability, does not depend on single-point, and data the whole network is reached common understanding and openly be can verify that, transparency is high and can not distort,
And relevant government agencies can be introduced and employer's organization coalizes chain as credit and endorses mechanism to enhance public credibility.
Above-mentioned NFC label is anti-clone NFC Electronic Coding label, certainly, in other embodiments, above-mentioned NFC label
Other types physical support, such as RFID chip, electronic lock, above-mentioned intelligent movable can be selected according to different application scenarios
Read-write terminal is the intelligent movable read-write terminal with NFC read-write capability, including but not limited to smart phone, tablet computer, POS
Machine etc..
This method realizes one yard of an object, the mode of one yard of one contract, and every commodity pass through the anti-clone of attachment when leaving the factory
NFC encrypts label to distribute Unique Product code, and the map procedures for carrying out brand authorization to commodity are with brand quotient's block chain identity
It disposes codeword value to be associated on intelligent contract to block chain, commodity physical distribution trading map procedures are that the intelligent contract of codeword value association is turning
It is shifted between the side's of allowing block chain identity and recipient's block chain identity；It is specifically completed by following system: block chain identification system, area
Block chain traceability system, block chain event monitoring system, account working system, commodity ownership tracking system, intelligent movable read-write
Terminal, anti-clone's NFC label and NFC label Verification System etc..
This method using commodity ownership as life cycle, based on NFC label storage codeword value and anti-clonal expansion code key,
Server-side corresponds to code key and random challenge value, by comparing the output of NFC label cryptographic algorithm operation result and certificate server
Value come verify NFC label storage codeword value validity and uniqueness, and due to block chain data can not tamper and quotient
Product code is mapped as on block chain unique intelligent contract in merchandise authorization Shi Douhui, is associated with awarding for intelligent contract by inquiry codeword value
Logistics or the transactions history track for weighing information and the i.e. traceable commodity of ownership transfer record, realize it is more efficient, more transparent,
More credible, more intelligent brand protection, commodity are traced to the source and stock control etc. is applied.Traced to the source based on brand protection, commodity and
The common requirement of stock control is carried using block chain as System core technology using NFC encrypted electronic label as anti-physical copy
Body, using mobile platform as verifying terminal, by modern supply chain logistics trade etc. each link (brand quotient, manufacturer, distributor,
Retailer, consumer) be used as application field, realize more efficient, more transparent, more credible, more intelligent brand protection,
Commodity are traced to the source and stock control etc. is applied, and data source is reliable, and physical distribution trading information can not distort.
The above-mentioned commodity based on block chain are really weighed and ownership transfer system, by establishing the area with business account relating
Block chain identity, by block chain be introduced into commodity weigh really and ownership transfer during, and utilize random challenge value Validation Mode,
A possibility that having prevented physical copy from source, it is ensured that data source it is credible, prevent fake products and the falsifying of logistics links, prevent
What only illegal authorization and ownership transfer recorded distorts, and the fidelity convenient for the identification of commodities true and false, commodity is traced to the source and the reality of commodity
When stock control.
It is above-mentioned that technology contents of the invention are only further illustrated with embodiment, in order to which reader is easier to understand, but not
It represents embodiments of the present invention and is only limitted to this, any technology done according to the present invention extends or recreation, by of the invention
Protection.Protection scope of the present invention is subject to claims.
Claims (10)
1. the commodity based on block chain are really weighed and ownership transfer method, which is characterized in that the described method includes:
Register block chain identity；
Commodity are carried out with endowed, acquisition NFC label, and NFC label is initialized；
It is activated using NFC label of the block chain identity to commodity；
Commodity ownership transfer is carried out using the NFC label after block chain identity and activation.
2. the commodity according to claim 1 based on block chain are really weighed and ownership transfer method, which is characterized in that registration
The step of block chain identity, comprising the following specific steps
Registration business account；
Block chain account is created, block chain identity is obtained and obtains the corresponding private key of block chain account；
Block chain identity factory's contract in block chain is called to generate block chain Identity Proxy contract, block using block chain account
Chain Identity Proxy contract controller and block chain identity restore contract；
It is associated with block chain identity and business account.
3. the commodity according to claim 2 based on block chain are really weighed and ownership transfer method, which is characterized in that association
The step of block chain identity and business account, comprising the following specific steps
Send association request；
The random challenge value of return business account；
Block chain Identity Proxy contract controller, corresponding setting block chain Identity Proxy contract control are called using block chain account
Parameter in device；
Execute the block chain proof of identification contract in block chain；
Capture and send the block chain event of triggering；
Random challenge value in block chain event is associated with the random challenge value of business account.
4. the commodity according to claim 1 based on block chain are really weighed and ownership transfer method, which is characterized in that quotient
Product carry out endowed, acquisition NFC label, and the step of initializing to NFC label, comprising the following specific steps
Creation production authorization is single, specifies merchandise related information, Mass production codeword value, and obtain NFC label；
Surely main code key is set up according to authorization, calculates the derivative code key of codeword value, by codeword value storage to NFC label, derivative code key
It stores to the unclonable memory block of physics of NFC label.
5. the commodity according to any one of claims 1 to 4 based on block chain are really weighed and ownership transfer method, feature
It is, commodity is carried out with endowed, acquisition NFC label, and after the step of initializing to NFC label, further includes:
NFC label is verified.
6. the commodity according to claim 5 based on block chain are really weighed and ownership transfer method, which is characterized in that right
The step of NFC label is verified, comprising the following specific steps
The single main code key of codeword value association authorization is stored to certificate server；
Codeword value is stored to NFC label, and records derivative code key in the unclonable memory block of physics, and derivative code key is labeled as
Standard derives code key；
Obtain NFC label codeword value read requests；
Codeword value is returned according to read requests, and is sent to certificate server；
The derivative code key to be measured of codeword value is calculated by codeword value and main code key；
The random challenge value of certificate server is obtained, and is sent to NFC label；
Cryptographic Hash is calculated based on random challenge value and the derivative code key of standard, forms the cryptographic Hash of NFC label；
Cryptographic Hash is calculated based on random challenge value and derivative code key to be measured, forms the cryptographic Hash of certificate server；
Judge whether the cryptographic Hash of certificate server is equal with the cryptographic Hash of NFC label；
If so, being proved to be successful；
If it is not, then authentication failed.
7. the commodity according to claim 4 based on block chain are really weighed and ownership transfer method, which is characterized in that use
The step of block chain identity activates the NFC label of commodity, comprising the following specific steps
It is traced to the source using block chain identity calling using contract, creates commodity registration table contract；
Verify the validity of NFC label；
Commodity registration table contract is called using block chain identity, Unique Product contract is created based on codeword value, captures the quotient of triggering
Product contract event；
The parameter of commodity contract event is parsed, commodity contract address is obtained, track commodity ownership and binds codeword value and commodity
Contract address.
8. the commodity according to claim 7 based on block chain are really weighed and ownership transfer method, which is characterized in that use
The step of NFC label after block chain identity and activation carries out commodity ownership transfer, comprising the following specific steps
Assignor reads the codeword value stored in commodity attachment NFC label and codeword value associated commodity contract address；
Assignor calls commodity contract using block chain identity, captures the event of the transfer commodity contract of triggering；
Recipient reads the codeword value stored in commodity attachment NFC label, verifies the validity of NFC label；
It obtains and codeword value associated commodity contract address；
Recipient calls commodity contract to obtain the block chain identity for authorizing brand quotient；
It calls to trace to the source and is associated with contract using the codeword value that contract obtains the storage of block chain, and combine the contract of current commodity contract
Brand quotient's authorization conditions of address validation commodity；
Recipient calls the confirmation of commodity contract to receive commodity ownership；
The commodity of capture triggering really weigh event；
Parsing commodity really weigh the parameter of event, track commodity ownership.
9. the commodity based on block chain are really weighed and ownership transfer system, which is characterized in that including registering unit, label initialization
Unit, activation unit and ownership transfer unit；
The registering unit, for registering block chain identity；
The label initialization unit, it is endowed for being carried out to commodity, NFC label is obtained, and initialize to NFC label；
The activation unit, for being activated using block chain identity to the NFC label of commodity；
The ownership transfer unit turns for carrying out commodity ownership using the NFC label after block chain identity and activation
It moves.
10. the commodity according to claim 9 based on block chain are really weighed and ownership transfer system, which is characterized in that institute
Stating registering unit includes business account registration module, block chain account creation module, contract generation module and Identity Association mould
Block；
The business account registration module, for registering business account；
The block chain account creation module, for creating block chain account, obtaining block chain identity and obtaining block chain account
Number corresponding private key；
The contract generation module, for calling the block chain identity factory contract generation area in block chain using block chain account
Block chain Identity Proxy contract, block chain Identity Proxy contract controller and block chain identity restore contract；
The Identity Association module, for being associated with block chain identity and business account.
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| CN201711391822.7A CN109961294A (en) | 2017-12-21 | 2017-12-21 | Commodity based on block chain are really weighed and ownership transfer method and system |
| PCT/CN2018/071731 WO2019119541A1 (en) | 2017-12-21 | 2018-01-08 | Method and system for transferring rights and ownership of merchandise on basis of blockchain |
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| CN110866761A (en) * | 2019-11-07 | 2020-03-06 | 四川农链数科科技有限公司 | Anti-counterfeiting mark and tracing method and system for decentralized article |
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| CN112446450A (en) * | 2021-01-29 | 2021-03-05 | 支付宝(杭州)信息技术有限公司 | Entity article ownership management method and device based on block chain and electronic equipment |
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| CN112884485B (en) * | 2021-02-01 | 2024-01-26 | 合肥壹物易证科技有限公司 | Symmetrical encryption traceability transaction method, system and storage medium based on blockchain network |
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| CN112949798A (en) * | 2021-05-17 | 2021-06-11 | 北京楠昊鹏物联网科技有限公司 | Laboratory equipment management method and system based on RFID technology |
| CN113902384A (en) * | 2021-12-09 | 2022-01-07 | 广州优刻谷科技有限公司 | Tracing method and system based on RFID and intelligent contract |
| CN113902384B (en) * | 2021-12-09 | 2022-03-11 | 广州优刻谷科技有限公司 | Tracing method and system based on RFID and intelligent contract |
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