CN111476568A - Block chain-based off-chain asset chaining process - Google Patents
Block chain-based off-chain asset chaining process Download PDFInfo
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- CN111476568A CN111476568A CN202010168718.7A CN202010168718A CN111476568A CN 111476568 A CN111476568 A CN 111476568A CN 202010168718 A CN202010168718 A CN 202010168718A CN 111476568 A CN111476568 A CN 111476568A
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Abstract
The invention discloses an off-chain asset uplink process based on a block chain, which comprises identity authentication, off-chain asset identification, off-chain asset right confirmation, off-chain asset uplink application, whole-network broadcasting and co-identification accounting, and specifically comprises the following steps: s1, identity authentication; s2, identifying resources outside the chain; s3, determining the right of the assets outside the chain; s4, applying for the chain of extra-chain resources; s5, broadcasting in the whole network; and S6, performing consensus accounting. According to the off-chain asset uplink process based on the block chain, the process of identifying off-chain asset information and acquiring information is added to the whole uplink process, namely the off-chain asset is identified through identification technologies such as an RFID (radio frequency identification device) radio frequency identification technology, a sensor technology, a two-dimensional code technology, an infrared induction technology, a GPS (global positioning system) positioning technology and the like, and data conversion of the off-chain asset right determination is performed after information acquisition, so that the data information of the off-chain asset on the uplink has public credibility; after the off-chain assets are successfully linked, the off-chain assets can become encrypted digital assets which are circulated and traded all over the world.
Description
Technical Field
The invention relates to the technical field of block chains, in particular to an off-chain asset uplink process based on a block chain.
Background
The physical assets are linked on the premise that a physical sensing layer is arranged and can be sensed, for example, the Internet of things equipment and industrial 4.0 equipment have the characteristic, and the digital assets are classified according to main application Data, including various system Data, network Data and user terminal Data, such as SQ L, NO SQ L, Big Data, App and the like.
The block chain technology is based on a decentralized peer-to-peer network, and open source software is used for combining a cryptography principle, time sequence data and a consensus mechanism to ensure the consistency and the persistence of each node in a distributed database, so that information can be immediately verified and traceable, but is difficult to tamper and cannot be shielded, and a private, efficient and safe shared value system is created.
However, in the conventional uplink procedure for the off-link asset based on the block chain technology, only the data information, the asset information and the asset circulation information of the off-link asset are allocated to the block chain, and uplink registration is performed through some key data information. Therefore, the uplink off-link asset data information lacks a certain public trust.
Disclosure of Invention
The present invention is directed to solve the drawbacks of the prior art, and provides an out-of-chain resource uplink procedure based on a block chain.
An off-chain asset uplink process based on a block chain comprises identity authentication, asset identification, asset right confirmation, asset uplink application, whole network broadcasting and consensus accounting, and specifically comprises the following steps:
s1, identity authentication: the method comprises the steps of carrying out identity identification on first node equipment to obtain a Device ID, wherein the Device ID is the identity identification of the first node equipment, then registering and activating the first node equipment to generate a pair of secret keys, binding the Device ID and registration information of the first node equipment, then signing by using a private key, and simultaneously publishing a corresponding public key;
s2, identifying resources outside the chain: carrying out asset identification on the off-link assets through a physical layer, then identifying and acquiring information of the identified off-link assets through access layer sensing equipment, and storing acquired off-link asset information in a first node device in a block form;
s3, extra-chain asset right confirmation: a zero-knowledge mechanism is adopted to determine the right of the chain external asset before the chain linking, after the right determination is completed, the first node equipment is registered, and the chain external asset information which is determined to be completed and registered is stored in the first node equipment;
s4, applying for off-chain asset uplink: initiating a transaction to a blockchain system by an off-chain asset producer, verifying the private key signature by other nodes according to a public key published by first node equipment, signing the transaction after the verification is passed, adding the transaction into a local transaction pool, and broadcasting transaction data;
s5, broadcasting in the whole network: broadcasting the transaction to the adjacent N nodes to complete the whole network broadcasting;
s6, consensus accounting: and accounting is carried out on the out-of-chain asset information in the data format based on the BNP protocol according to a consensus mechanism adopted by mining software installed on the first node equipment, and after consensus is achieved, the data chaining is carried out, namely, the block nodes are confirmed by adopting a consensus algorithm, and the block entering chain is generated.
Further, in step S1, the first node device further includes a hardware chip, where the hardware chip includes a hard wallet and a private key, and the identity is encoded by using an EPC encoding system.
Further, in step S2, the access layer sensing device identifies and collects information about the off-link assets through RFID radio frequency identification technology, sensor technology, two-dimensional code technology, infrared sensing technology, GPS positioning technology, sound and visual identification technology, and biometric identification technology, the physical layer includes two-dimensional code, RFID tag, camera, GPS, sensor, M2M terminal, and biometric identification, and the access layer sensing device includes handset, reader, tablet, mobile phone, smart terminal, and detection device.
Further, in step S3, the content registered in the first node Device includes a timestamp, a content index, association information, a storage address, and a corresponding Device ID and right confirmation information of the first node Device.
Further, in step S4, a zero knowledge mechanism is used to determine the authority of the off-link asset before uplink, and when the asset performs the authority determination transaction, in the process of transferring the authority of the asset, a non-interactive zero knowledge proof is used, that is, a public reference string of a trusted third party is introduced to determine the authority transfer, complete the re-authority determination of the asset, and bind the consignee; the public random string is a third party payment, third party logistics, or insurance.
Further, in step S6, the chain outside asset information of the account includes ownership information, content index, identity ID, and storage address of the asset.
Further, in step S4, when the off-link asset is a real asset, the intelligent contract for delivering the real asset needs to be completed, and then the contract for paying the token for purchasing the real asset is completed, the transfer of the ownership of the real asset needs to re-authorize the real asset, and the re-authorization of the real asset is completed by introducing a public reference string from a trusted third party by using a non-interactive zero knowledge proof in the transfer process of the ownership of the asset.
Compared with the prior art, the invention has the following beneficial effects:
firstly, the invention is based on the block chain off-chain asset uplink process, and adds the process of identifying and information collecting the off-chain asset on the whole uplink process, namely, the off-chain asset is identified by the RFID radio frequency identification technology, the sensor technology, the two-dimensional code technology, the infrared induction technology, the GPS positioning technology, the sound and vision identification technology and the biological characteristic identification technology, and the data conversion of asset right determination after information collection, so that the uplink off-chain asset data information has public credibility; secondly, after the off-chain assets are successfully linked, the off-chain assets can become encrypted digital assets which are circulated and traded all over the world.
Drawings
Fig. 1 is a block chain-based off-link resource uplink flow chart according to the present invention.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
The invention provides an off-chain asset uplink process based on a block chain, which comprises identity authentication, asset identification, asset right confirmation, asset uplink application, whole network broadcasting and consensus accounting, and specifically comprises the following steps:
s1, identity authentication: the method comprises the steps of carrying out identity identification on first node equipment to obtain a Device ID, wherein the Device ID is the identity identification of the first node equipment, then registering and activating the first node equipment to generate a pair of secret keys, binding the Device ID and registration information of the first node equipment, then signing by using a private key, and simultaneously publishing a corresponding public key;
s2, identifying resources outside the chain: carrying out asset identification on the off-link assets through a physical layer, then identifying and acquiring information of the identified off-link assets through access layer sensing equipment, and storing acquired off-link asset information in a first node device in a block form;
s3, extra-chain asset right confirmation: a zero-knowledge mechanism is adopted to determine the right of the chain external asset before the chain linking, after the right determination is completed, the first node equipment is registered, and the chain external asset information which is determined to be completed and registered is stored in the first node equipment;
s4, applying for off-chain asset uplink: initiating a transaction to a blockchain system by an off-chain asset producer, verifying the private key signature by other nodes according to a public key published by first node equipment, signing the transaction after the verification is passed, adding the transaction into a local transaction pool, and broadcasting transaction data;
s5, broadcasting in the whole network: broadcasting the transaction to the adjacent N nodes to complete the whole network broadcasting;
s6, consensus accounting: and accounting is carried out on the out-of-chain asset information in the data format based on the BNP protocol according to a consensus mechanism adopted by mining software installed on the first node equipment, and after consensus is achieved, the data chaining is carried out, namely, the block nodes are confirmed by adopting a consensus algorithm, and the block entering chain is generated.
In the present invention, in step S1, the first node device further includes a hardware chip, where the hardware chip includes a hard wallet and a private key, and the identity is encoded using an EPC encoding system. The obtained EPC code is a group of numbers consisting of a version number and other three sections of data (domain name managers, object classifications and serial numbers), the EPC code adopts 96-bit (binary) codes and can code '2.68 hundred million companies, 1600 ten thousand types and 680 hundred million independent products', the EPC code system is enough to support future mass equipment to access, and each equipment can be endowed with a globally unique code; in step S2, the access layer sensing device identifies and acquires information about the off-link assets through RFID radio frequency identification technology, sensor technology, two-dimensional code technology, infrared sensing technology, GPS positioning technology, sound and visual identification technology, and biometric identification technology, the physical layer includes two-dimensional codes, RFID tags, cameras, GPS, sensors, M2M terminals, and biometric identification, and the access layer sensing device includes a handset, a reader, a tablet, a mobile phone, an intelligent terminal, and a detection device; in step S3, the content registered in the first node Device includes a timestamp, a content index, association information, a storage address, and a corresponding first node Device ID and right confirmation information; in step S4, a zero knowledge mechanism is adopted to determine the authority of the off-link asset before uplink, when the asset is subjected to authority determination transaction, non-interactive zero knowledge proof is adopted in the process of transferring the authority of the asset, namely, the authority transfer is determined by introducing a public reference string of a trusted third party, the re-authority of the asset is completed, and a consignee is bound; the public random string is third party payment, third party logistics or insurance; in step S6, the chain outside asset information of the account includes ownership information, content index, identity ID, and storage address of the asset; in step S4, when the off-chain asset is a real asset, the intelligent contract for delivering the real asset needs to be completed, and then the contract for paying the token for purchasing the real asset is completed, the transfer of the real asset ownership needs to re-authorize the real asset, and the re-authorization of the real asset is completed by introducing a public reference string from a trusted third party by adopting a non-interactive zero-knowledge proof in the process of transferring the asset ownership.
A driving recorder is used as an off-chain asset, and the uplink flow of the off-chain asset based on the block chain provided by the invention is introduced:
identity authentication: the airic purchases a tachograph that can be linked, first activates the tachograph (BNP, PoC enabled), generates a Device ID for the key bound tachograph, and registers the certificate on the chain.
Asset identification, asset right confirmation registration and consensus accounting: and the Ailice stores data of the automobile data recorder for a period of time on the cloud disk through a cloud storage technology. Meanwhile, the Ailice sends a chaining accounting application, after the driving recorder confirms and registers the data, the data chaining is accounted after PoC consensus is achieved, miners obtain the mine digging reward, and the probability that the Ailice becomes a block of the miners is the highest because the Ailice is a data provider.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides an off-chain asset cochain flow based on block chain, includes authentication, asset identification, asset affirmation right, asset cochain application, whole network broadcast, the book keeping of consensus, its characterized in that specifically includes:
s1, identity authentication: the method comprises the steps of carrying out identity identification on first node equipment to obtain a Device ID, wherein the Device ID is the identity identification of the first node equipment, then registering and activating the first node equipment to generate a pair of secret keys, binding the Device ID and the registration information of the first node equipment, then signing by using a private key, and simultaneously publishing a corresponding public key;
s2, identifying resources outside the chain: carrying out asset identification on the off-link assets through a physical layer, then identifying and acquiring information of the identified off-link assets through access layer sensing equipment, and storing acquired off-link asset information in a first node device in a block form;
s3, extra-chain asset right confirmation: a zero-knowledge mechanism is adopted to determine the right of the chain external asset before the chain linking, after the right determination is completed, the first node equipment is registered, and the chain external asset information which is determined to be completed and registered is stored in the first node equipment;
s4, applying for off-chain asset uplink: initiating a transaction to a blockchain system by an off-chain asset producer, verifying the private key signature by other nodes according to a public key published by first node equipment, signing the transaction after the verification is passed, adding the transaction into a local transaction pool, and broadcasting transaction data;
s5, broadcasting in the whole network: broadcasting the transaction to the adjacent N nodes to complete the whole network broadcasting;
s6, consensus accounting: and accounting is carried out on the out-of-chain asset information in the data format based on the BNP protocol according to a consensus mechanism adopted by mining software installed on the first node equipment, and after consensus is achieved, the data chaining is carried out, namely, the block nodes are confirmed by adopting a consensus algorithm, and the block entering chain is generated.
2. The blockchain-based off-chain asset chaining procedure of claim 1, wherein in step S1, the first node device further installs a hardware chip, the hardware chip includes a hard wallet and a private key, and the id is encoded by EPC encoding system.
3. The off-chain asset chaining process based on the blockchain as claimed in claim 1, wherein in step S2, the access layer sensing device identifies and acquires information about the off-chain asset through RFID radio frequency identification technology, sensor technology, two-dimensional code technology, infrared sensing technology, GPS positioning technology, sound and visual identification technology, and biometric identification technology, the physical layer includes two-dimensional code, RFID tag, camera, GPS, sensor, M2M terminal, and biometric identification, and the access layer sensing device includes handset, reader, tablet, mobile phone, smart terminal, and detection device.
4. The procedure of claim 1, wherein in step S3, the content registered in the first node Device includes a timestamp, a content index, association information, a storage address, and a corresponding Device ID and right confirmation information of the first node Device.
5. The block chain-based off-chain asset uplink process of claim 1, wherein in step S4, a zero knowledge mechanism is used to determine the right of the off-chain asset before uplink, and when the asset performs the right determination transaction, during the transfer of the right of the asset, a non-interactive zero knowledge proof is used, that is, a public reference string of a trusted third party is introduced to determine the right transfer, complete re-determination of the asset, and bind the consignee; the public random string is a third party payment, third party logistics, or insurance.
6. The blockchain-based off-chain asset chaining procedure according to claim 1, wherein in step S6, the booked off-chain asset information includes property information, content index, identity ID, and storage address of the asset.
7. The uplink process for off-chain assets based on block chains as claimed in claim 1, wherein in step S4, when the off-chain assets are physical assets, an intelligent contract for delivering physical assets needs to be completed, and then a contract for paying tokens to purchase physical assets is completed, the transfer of ownership of physical assets needs to re-authorize the physical assets, and the re-authorization of physical assets is completed by introducing a common reference string from a trusted third party using non-interactive zero-knowledge proof during the transfer of ownership of assets.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112348512A (en) * | 2020-10-23 | 2021-02-09 | 国网福建省电力有限公司 | Block chain-based data product credible transaction method |
| CN112566047A (en) * | 2020-11-25 | 2021-03-26 | 中国联合网络通信集团有限公司 | Method, device and system for determining authority of V2X interaction information based on alliance chain |
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2020
- 2020-03-12 CN CN202010168718.7A patent/CN111476568A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112348512A (en) * | 2020-10-23 | 2021-02-09 | 国网福建省电力有限公司 | Block chain-based data product credible transaction method |
| CN112566047A (en) * | 2020-11-25 | 2021-03-26 | 中国联合网络通信集团有限公司 | Method, device and system for determining authority of V2X interaction information based on alliance chain |
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