CN109657501B

CN109657501B - Traceable anti-tampering chip research and development transaction data storage method and system

Info

Publication number: CN109657501B
Application number: CN201811520105.4A
Authority: CN
Inventors: 郁发新; 陆哲明; 周旻; 罗雪雪; 王焱
Original assignee: Hangzhou Kilby Blockchain Technology Ltd
Current assignee: Hangzhou Kiel Technology Co.,Ltd.
Priority date: 2018-12-12
Filing date: 2018-12-12
Publication date: 2020-07-03
Anticipated expiration: 2038-12-12
Also published as: WO2020118856A1; CN109657501A

Abstract

The invention relates to the technical field of data storage, and provides a method and a system for storing chip research and development transaction data, wherein the method comprises the following steps: acquiring transaction data, intelligent contract message data and chip development data which are generated in the process that at least two transaction nodes participate in chip development and transaction targets according to corresponding intelligent contracts in a preset time period; storing the acquired research and development data of each chip and an index hash value for indexing into a distributed under-link storage system; determining an accounting node from at least two consensus nodes corresponding to a preset time period by using a quick consensus algorithm; and storing the acquired transaction data, the intelligent contract message data and the index hash value in the generated new block through the accounting node, and linking the new block to the block chain. The scheme can enable the chip research and development transaction data to be traceable and tamper-proof.

Description

Traceable anti-tampering chip research and development transaction data storage method and system

Technical Field

The invention relates to the technical field of data storage, in particular to a method and a system for storing chip research and development transaction data.

Background

A chip is also called a microcircuit (microcircuit), a microchip (microchip), and an Integrated Circuit (IC), and particularly, a silicon chip containing an IC has a small volume and is usually an important component of a computer or other electronic devices. Chip research and development is a complex process, and generally a plurality of links such as chip functions, formation of a comprehensive netlist, circuit diagram design, performance simulation verification, layout wiring, layout-to-circuit diagram verification, process design rule verification, physical verification of a layout, tape-out verification and the like need to be realized through software, so that research and development of one chip generally need to be matched with each other by a plurality of manufacturers.

Currently, process data for recording the development result transaction and the chip product transaction are generated during the chip development and chip transaction, and the process data are stored in a traditional database. The process data stored in the traditional database is easy to be tampered and difficult to trace, so that the responsibility can not be traced according to the process data after a problem occurs in the chip research and development or chip transaction process.

Therefore, in view of the above shortcomings, it is desirable to provide a data storage method that makes process data generated by the chip development transaction process traceable and tamper-resistant.

Disclosure of Invention

The technical problem to be solved by the invention is that process data generated in the chip research and development transaction process is easy to tamper and difficult to trace, and aiming at the defects in the prior art, the invention provides a technical scheme which can trace the process data generated in the chip research and development transaction process and can prevent the process data from being tampered.

In order to solve the technical problem, the invention provides a chip research and development transaction data storage method, which comprises the following steps:

storing an intelligent contract for each chip development transaction target on a blockchain;

aiming at each chip development transaction target, acquiring transaction data, intelligent contract message data and chip development data which are generated in the process that at least two transaction nodes participate in the chip development transaction target according to the corresponding intelligent contracts in a preset time period;

for each acquired chip research and development data, storing the chip research and development data and an index hash value for indexing the chip research and development data in a distributed under-link storage system;

determining at least two consensus nodes for the preset time period;

sequentially and circularly performing at least one hash operation on a block head by utilizing the at least two common identification nodes, wherein the block head is generated according to the acquired transaction data, the intelligent contract message data and the index hash value corresponding to each chip research and development data;

determining a target consensus node as an accounting node, wherein the target consensus node preferentially calculates a hash value smaller than a preset autonomous mining target value;

and storing the acquired transaction data, the acquired intelligent contract message data and the acquired index hash value in a generated new block through the accounting node, and linking the new block to the block chain.

Optionally, after the linking the new block to the block chain, further comprising:

receiving a reading request sent by an access node with reading authority aiming at a target chip research and development data;

acquiring a target index hash value corresponding to the target chip research and development data from the block chain according to the reading request;

and sending the target index hash value to the access node, so that the access node can read the target chip research and development data from the distributed downlink storage system according to the target index hash value.

Alternatively,

aiming at each chip development transaction target, the intelligent contract corresponding to the chip development transaction target comprises any one or more of a virtual intellectual property transaction contract and a chip development contract in a virtual intellectual property authorization contract, wherein,

the virtual intellectual property trade contract is used for defining rules for buying and selling the chip development data between two trade nodes;

the virtual intellectual property authorization contract is used for defining rules for authorizing the chip development data between two transaction nodes;

the chip development contract is used to define rules between at least two trading nodes employed to develop the chip development data.

Optionally, the determining at least two consensus nodes for the preset time period comprises:

and selecting at least two consensus nodes from at least two system nodes, wherein the system nodes are always online and stably operated nodes.

screening at least one target authorization node from at least one authorization node, and determining the at least one target authorization node and at least two system nodes as the consensus node, wherein the system nodes are always online and stably operated nodes, the authorization nodes are professional user nodes with consensus authority, the probability that the authorization node is selected as the target authorization node is in direct proportion to the participation degree corresponding to the authorization node, and the participation degree is determined by part or all of the online time and the evaluation score of the authorization node.

Alternatively,

the distributed downlinked storage system comprises: a cloud storage server and/or at least one of the system nodes.

Optionally, the performing at least one hash operation on the block header sequentially and circularly by using the at least two common nodes includes:

respectively generating point reward transaction information corresponding to each consensus node, wherein for each consensus node, if the consensus node is the system node, the point reward transaction information corresponding to the consensus node comprises a reward point value and a reward node identifier, the reward node identifier is used for identifying one target authorization node, and if the consensus node is the authorization node, the point reward transaction information corresponding to the consensus node comprises the reward point value;

for each consensus node, packaging the point reward transaction information corresponding to the consensus node, the transaction data, the intelligent contract transaction data and the index hash value to obtain a corresponding block main body, and performing hash operation on the block main body to obtain a first Merkle tree root hash value corresponding to the consensus node;

according to a predetermined node sorting result, each common identification node sequentially carries out at least one hash operation on a corresponding block head to obtain at least one hash value, wherein for each common identification node, the block head corresponding to the common identification node comprises the first Merkle root hash value corresponding to the common identification node, the second Merkle root hash value of the last block on the block chain and an autonomous mining random number, and the autonomous mining random number is changed according to a preset rule, so that the block head comprises different autonomous mining random numbers when the common identification node carries out the hash operation on the block head each time.

Optionally, the chip development transaction data storage method further includes:

arranging the at least one target authorization node behind the at least two system nodes in the order of the corresponding participation degrees from big to small;

and obtaining the node sequencing result according to the arrangement sequence of the common identification nodes.

Optionally, after the determining the target consensus node as the accounting node, the method further includes:

if the accounting node is the system node, issuing points corresponding to the reward point value to the target authorization node identified by the reward node identification according to the reward point value and the reward node identification included in the point reward transaction information corresponding to the accounting node;

and if the accounting node is an authorized node, issuing points corresponding to the reward point value to the accounting node according to the reward point value included in the point reward transaction information corresponding to the accounting node.

The invention also provides a chip research and development transaction data storage system, which comprises: at least two system nodes and at least two transaction nodes, wherein,

the system nodes are always on-line stably operated nodes;

the at least two system nodes are used for storing an intelligent contract aiming at each chip development transaction target on a block chain, acquiring transaction data, intelligent contract message data and chip development data generated by the at least two transaction nodes in a preset time period according to the corresponding intelligent contract in the process of participating in the chip development transaction target, storing the chip development data and an index hash value for indexing the chip development data into a distributed under-chain storage system aiming at each acquired chip development data, and determining at least two consensus nodes aiming at the preset time period;

the at least two consensus nodes are used for sequentially and circularly performing at least one Hash operation on a block head and determining a target consensus node as an accounting node, wherein the block head is generated according to the acquired transaction data, the intelligent contract message data and the index Hash value corresponding to each chip research and development data, and the target consensus node preferentially calculates a Hash value smaller than a preset autonomous mining target value;

and the accounting node is used for storing the acquired transaction data, the intelligent contract message data and the index hash value in a generated new block and linking the new block to the block chain.

Optionally, the chip development transaction data storage system further comprises: at least one authorized node, at least one ordinary node and at least one guest node;

the authorization node is an office user node with consensus authority;

the common node is an operating user node with a block reading authority in the alliance;

the guest node is a user node outside the alliance and reading the transaction data and the intelligent contract message data related to the guest node from a block chain;

the common node is used for submitting an application becoming an authorized node and becoming the authorized node after the application is approved;

the visitor node is used for submitting an application becoming a common node and becoming the common node after the application is approved.

The chip research and development transaction data storage method and the system have the following beneficial effects:

1. the method comprises the steps of storing an intelligent contract corresponding to each chip research and development transaction target on a block chain, enabling a transaction node to participate in each chip research and development transaction target according to the intelligent contract stored on the block chain, then obtaining transaction data, intelligent contract message data and chip research and development data generated in the process that the transaction node participates in each chip research and development transaction within a preset time period, respectively storing each chip research and development data and an index hash value used for indexing the chip research and development data into a distributed under-chain storage system, then selecting an accounting node from common identification nodes aiming at the preset time period through a rapid common identification algorithm, and storing the obtained transaction data, the intelligent contract message data and the index hash value into the block chain through an accounting node. Therefore, transaction data, intelligent contract message data and index hash values generated by participating in development and transaction targets of each chip are stored in the block chain in a preset time period, so that traceability and tamper resistance of process data generated in the chip development and transaction processes can be guaranteed based on the characteristic of block chain storage.

2. The intelligent contract is stored on the block chain aiming at a chip development transaction target, so that both transaction parties can be constrained to perform transaction according to the intelligent contract, and when the transaction parties perform default behaviors, punishment is given to the punishment parties directly according to the intelligent contract. In addition, the transaction data and the intelligent contract message data generated in the process that both transaction parties participate in the chip development transaction target are stored in the block chain, so that the traceability and the tamper resistance of the transaction data and the intelligent contract message data are ensured, and the transaction data and the intelligent contract message data are conveniently used as evidences. By combining the two points, the method can play a role of deterring the default behaviors of both parties of the transaction, and can conveniently obtain the evidence and the right of maintenance, thereby improving the safety of chip research and development and the chip transaction process.

3. The distributed type under-link storage system is based on content addressing, simultaneously stores chip research and development data and index hash values corresponding to the chip research and development data, and can search the corresponding chip research and development data according to the index hash values. When an access node needs to read certain chip research and development data, an index hash value corresponding to the chip research and development data is firstly acquired from a block chain, and then the access node can read the required chip research and development data from a distributed-type-chain storage system according to the index hash value, so that the chip research and development data can be traced through the index hash value while the convenience of reading the chip research and development data is ensured.

4. By storing different types of intelligent contracts on the block chain, the intelligent contracts can be used for controlling chip intellectual property right buying and selling transactions, chip intellectual property right authorized use transactions and chip research and development transactions, and the participators in the chip research and development and chip transaction processes can be guaranteed to be capable of fulfilling respective obligations and obeying agreed rules, so that the chip research and development and chip transaction safety can be improved.

5. Because the system nodes are nodes which can always run stably on line, the number, the running stability and the safety of the system nodes are reliably ensured, the nodes are selected from the system nodes to be used as consensus nodes, all the consensus nodes are ensured to belong to the system nodes, and the stability of the consensus process of the consensus nodes can be ensured.

6. And selecting a target authorization node from the authorization nodes, determining the target authorization node and all system nodes as consensus nodes, and selecting part of authorization nodes as the consensus nodes to participate in the consensus process so as to improve the cognitive process and the cognitive result.

7. The method for selecting the consensus node can be flexibly determined according to requirements in the actual service implementation process, so that the consensus flexibility can be improved.

8. And each consensus node sequentially and circularly carries out Hash operation on the corresponding block head, and the consensus node which preferentially calculates the Hash value smaller than the autonomous mining target value is determined as an accounting node, so that the time required by electing the accounting node can be shortened, namely, the rapid consensus is realized, and the consensus efficiency is improved. In addition, the probability that the hash value smaller than the autonomous mining target value is calculated by each consensus node is the same, so that the fairness among the consensus nodes in the consensus process is ensured, and the reliability of the consensus process can be ensured.

9. Since the system node has high credibility and participates in consensus in the generation process of each block, the system node is arranged in front of each target authorized node. The participation degree of the target authorization nodes can represent the credibility of the target authorization nodes, and the higher the participation degree is, the higher the credibility of the corresponding target authorization nodes is, so that the target authorization nodes with higher corresponding participation degrees are arranged behind the system nodes according to the sequence of the corresponding participation degrees from large to small, the target authorization nodes with higher corresponding participation degrees can preferentially perform hash operation on the target authorization nodes with lower corresponding participation degrees, on one hand, the fairness of the consensus process is ensured, and on the other hand, the safety of the consensus result is ensured.

10. By generating point reward transaction information and after determining the accounting node, points are issued to an authorization node participating in the consensus process according to the point reward transaction information, the points can improve the participation degree of the nodes, and can be used as virtual currency for currency payment in chip research and development and chip transaction processes, so that the authorization node can be stimulated, the authorization node is ensured to actively participate in the consensus process, and the consensus process can be ensured to be normally carried out.

Drawings

Fig. 1 is a flowchart of a method for storing transaction data in chip development according to an embodiment of the present invention;

fig. 2 is a flowchart of a method for reading chip development data according to a second embodiment of the present invention;

fig. 3 is a flowchart of a method corresponding to a virtual intellectual property trade contract according to a third embodiment of the present invention;

fig. 4 is a flowchart of a method corresponding to a virtual intellectual property authorization contract according to a third embodiment of the present invention;

FIG. 5 is a flowchart of a method for developing a contract corresponding to a chip according to a third embodiment of the present invention;

fig. 6 is a flowchart of a method for determining a billing node according to a sixth embodiment of the present invention;

FIG. 7 is a diagram illustrating a chip development transaction data storage system according to a ninth embodiment of the present invention;

fig. 8 is a schematic diagram of a chip development transaction data storage system according to a tenth embodiment of the present invention.

In the figure: 701: a system node; 702: a transaction node; 801: a core layer; 802: an authorization layer; 803: a common layer; 804: a visitor layer; 805: a system node; 806: an authorization node; 807: a common node; 808: a guest node; 809: and selecting the authorized node.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Example one

As shown in fig. 1, the method for storing transaction data developed by a chip according to an embodiment of the present invention may include the following steps:

step 101: storing an intelligent contract for each chip development transaction target on a blockchain;

step 102: aiming at each chip development trading target, acquiring trading data, intelligent contract message data and chip development data which are generated in the process that at least two trading nodes participate in the chip development trading target according to corresponding intelligent contracts in a preset time period;

step 103: for each acquired chip research and development data, storing the chip research and development data and an index hash value for indexing the chip research and development data into a distributed under-link storage system;

step 104: determining at least two consensus nodes for a preset time period;

step 105: sequentially and circularly performing at least one hash operation on the block head by utilizing at least two common identification nodes, wherein the block head is generated according to the acquired transaction data, the intelligent contract message data and the index hash value corresponding to each chip research and development data;

step 106: determining the target consensus node as an accounting node, wherein the target consensus node preferentially calculates a hash value smaller than a preset autonomous mining target value;

step 107: and storing the acquired transaction data, the intelligent contract message data and the index hash value in the generated new block through the accounting node, and linking the new block to the block chain.

The chip research and development transaction data storage method provided by the embodiment of the invention stores the intelligent contract corresponding to each chip research and development transaction target on the block chain, so that a transaction node can participate in each chip research and development transaction target according to the intelligent contract stored on the block chain, then obtains transaction data, intelligent contract message data and chip research and development data generated in the process that the transaction node participates in each chip research and development transaction within a preset time period, respectively stores each chip research and development data and an index hash value used for indexing the chip research and development data into a distributed link lower storage system, then selects an accounting node from the common identification nodes aiming at the preset time period through a rapid common identification algorithm, and stores the obtained transaction data, intelligent contract message data and index hash value into the block chain by using the accounting node. Therefore, transaction data, intelligent contract message data and index hash values generated by participating in development and transaction targets of each chip are stored in the block chain in a preset time period, so that traceability and tamper resistance of process data generated in the chip development and transaction processes can be guaranteed based on the characteristic of block chain storage.

In the embodiment of the invention, the transaction data refers to process data generated in chip development or chip transaction processes between different transaction nodes, the intelligent contract message data refers to stage data generated in an intelligent contract execution process, and the chip development data refers to intellectual property data for a chip. For example, the transaction data may be data for recording the processes of development result delivery, payment and the like, the intelligent contract message data may be data for recording the processes of staged development result delivery, interaction between different intelligent contracts and the like in the intelligent contract execution process, and the chip development data may be a circuit diagram, a performance simulation verification result, layout and wiring and the like designed for the chip.

In the embodiment of the invention, as a plurality of intelligent contracts corresponding to different chip development transaction targets can be stored in the block chain, a plurality of chip development transaction targets can be executed in the same preset time period, and further the transaction data, the intelligent contract message data and the index hash value stored in the block chain in one preset time period can correspond to different chip development transaction targets.

In the embodiment of the invention, the intelligent contract is stored on the block chain aiming at the chip development transaction target, so that both transaction parties can be constrained to perform transaction according to the intelligent contract, and when the transaction parties have default behaviors, the intelligent contract is directly given to punishment places according to the intelligent contract. In addition, the transaction data and the intelligent contract message data generated in the process that both transaction parties participate in the chip development transaction target are stored in the block chain, so that the traceability and the tamper resistance of the transaction data and the intelligent contract message data are ensured, and the transaction data and the intelligent contract message data are conveniently used as evidences. By combining the two points, the method can play a role of deterring the default behaviors of both parties of the transaction, and can conveniently obtain the evidence and the right of maintenance, thereby improving the safety of chip research and development and the chip transaction process.

In the embodiment of the invention, the chip research and development data generated in the chip research and development transaction process and the corresponding index hash value are stored in the distributed under-chain storage system, and the index hash value is stored in the block chain, so that on one hand, the research and development data can be traced, and on the other hand, the chip research and development data can be conveniently read from the distributed under-chain storage system according to the index hash value.

Example two

On the basis of the method for storing chip development transaction data provided in the first embodiment, after the chip development data is stored in the distributed-type under-link storage system and the index hash value is stored in the block chain, the node having the read right may read the chip development transaction data according to the index hash value, and a specific process is as shown in fig. 2, and may include the following steps:

step 201: receiving a reading request sent by an access node with reading authority aiming at a target chip research and development data;

step 202: acquiring a target index hash value corresponding to target chip research and development data from a block chain according to a received reading request;

step 203: and sending the target index hash value to the access node, so that the access node can read the target chip research and development data from the distributed downlink storage system according to the target index hash value.

The distributed type under-link storage system is based on content addressing, simultaneously stores chip research and development data and index hash values corresponding to the chip research and development data, and can search the corresponding chip research and development data according to the index hash values. When an access node needs to read certain chip research and development data, an index hash value corresponding to the chip research and development data is firstly acquired from a block chain, and then the access node can read the required chip research and development data from a distributed-type-chain storage system according to the index hash value, so that the chip research and development data can be traced through the index hash value while the convenience of reading the chip research and development data is ensured.

It should be noted that, because the data size of the chip research and development data is usually large, the chip research and development data cannot be directly stored in the blockchain, and then a storage scheme is adopted in which the chip research and development data is stored in the distributed-type-under-chain storage system, and the index hash value of the chip research and development data is stored in the blockchain. In addition, for each chip development data, the read authority rule of the chip development data can be recorded in a corresponding intelligent contract, and whether the access node has the read rule or not is determined by using the intelligent contract stored on the block chain, so that the safety of the chip development data is ensured.

EXAMPLE III

On the basis of the chip development transaction data storage method provided in the first embodiment, the intelligent contract corresponding to one chip development transaction target may be any one or more of a virtual intellectual property transaction contract, a virtual intellectual property authorization contract and a chip development contract, where the virtual intellectual property transaction contract is used to define rules for buying and selling chip development data between two transaction nodes, the virtual intellectual property authorization contract is used to define rules for authorizing the chip development data between the two transaction nodes, and the chip development contract is used to define rules for hiring the chip development data between at least two transaction nodes.

By storing different types of intelligent contracts on the block chain, the intelligent contracts can be used for controlling chip intellectual property right buying and selling transactions, chip intellectual property right authorized use transactions and chip research and development transactions, and the participators in the chip research and development and chip transaction processes can be guaranteed to be capable of fulfilling respective obligations and obeying agreed rules, so that the chip research and development and chip transaction safety can be improved.

The specific contents of the virtual intellectual property trading contract, the virtual intellectual property authorization contract and the chip development contract are described below respectively.

As shown in fig. 3, the virtual intellectual property transaction contract defines a flow method for both transaction parties to buy and sell virtual intellectual property, which specifically includes the following steps:

step 301: instructing the buyer transaction node to preview the contents of the virtual intellectual property sold by the seller;

step 302: judging whether the buyer transaction node pays the fee corresponding to the virtual intellectual property right, if so, executing step 303, otherwise, executing step 301;

step 303: determining whether the seller transaction node confirms the collection, if yes, executing step 304, otherwise executing step 302;

step 304: and instructing the seller transaction node to download the content of the virtual intellectual property right and determining that the transaction is ended.

When the two transaction parties trade the virtual intellectual property, the buyer transaction node corresponds to the buyer in the virtual intellectual property trading, the seller transaction node corresponds to the seller in the virtual intellectual property trading, according to the virtual intellectual property transaction rule defined by the intelligent contract, the buyer feels satisfied after content preview and then pays the fee, after the seller confirms collection, the seller provides a download address and a key to the buyer, the buyer downloads the content, and the transaction is finished after successful download.

As shown in fig. 4, the virtual intellectual property authorization contract defines a flow method for both transaction parties to authorize and use virtual intellectual property, and specifically includes the following steps:

step 401: instructing the buyer transaction node to preview the contents of the virtual intellectual property rights authorized for use by the seller;

step 402: judging whether the buyer transaction node signs a security agreement, if so, executing step 403, otherwise, executing step 401;

step 403: instructing the buyer transaction node to try out the virtual intellectual property;

step 404: instructing the buyer transaction node to sign an authorization contract;

step 405: determining whether the buyer transaction node pays for using the virtual intellectual property right, if so, executing step 406, otherwise, executing step 404;

step 406: judging whether the seller transaction node confirms the collection, if so, executing step 407, otherwise, executing step 405;

step 407: instructing the buyer transaction node to obtain a use authorization for using the virtual intellectual property right;

step 408: it is determined whether the seller transaction node's authorization for the virtual intellectual property is due, and if so, the transaction is determined to be over, otherwise step 407 is performed.

When a transaction party carries out virtual intellectual property authorization use transaction, a buyer transaction node corresponds to a buyer needing to use virtual intellectual property, a seller transaction node corresponds to a seller having the virtual intellectual property, according to a virtual intellectual property authorization use rule defined by an intelligent contract, the buyer firstly previews the virtual intellectual property, signs a confidentiality Agreement (NDA) if the buyer is interested, then the buyer carries out trial of the virtual intellectual property, signs an authorization contract if the trial is satisfied, carries out fee payment, and authorizes the seller to use after the seller confirms collection. In addition, the authorization transaction ends after the seller's authorized use expires.

As shown in fig. 5, an employer may split a chip development task into a plurality of development modules, each development module is developed by a plurality of employees, and a chip development contract defines a flow method for chip development between the employer and each employee, which includes the following steps:

step 501: instructing an employer trading node to propose a chip development task;

step 502: instructing the employee transaction node to set a research and development node and research and development costs for one of the research and development modules in the chip research and development task;

step 503: determining whether the employer trading node accepts the development node and the development cost, if so, performing step 504, otherwise, performing step 502;

step 504: instructing the employee trading node to develop the development module;

step 505: determining whether the employer trading node confirms that the development process conforms to the development node, if so, performing step 506, otherwise, performing step 504;

step 506: determining whether the employer transaction node pays for research and development, if yes, executing step 507, otherwise executing step 505;

step 507: a determination is made as to whether the employee transaction node has confirmed the collection, and if so, the development of the development module is determined to be complete, otherwise step 506 is performed.

When two trading parties carry out chip development trading, an employer trading node corresponds to an employer who puts forward chip development requirements, an employee trading node corresponds to an employee who carries out chip development according to the development requirements, and the intelligent contract comprises one employer and at least one employee, because the development of one chip can require cooperation of multiple technical forces. According to the chip development transaction rules defined by the smart contract, the employer presents a development task, which is assumed to contain two modules. Employee 1 sets the development node and development budget for module 1 based on the requirements of module 1, and employee 2 sets the development node and development budget for module 2 based on the requirements of module 2. If the employer accepts the employee's module development program, employee 1 and employee 2 develop module 1 and module 2, respectively. Once the research and development node is reached, the employer determines whether the employee meets the research and development node requirements, and if so, enters the next research and development stage. If all the development nodes of the employee meet the development requirements, the employer pays the development cost. After the employee confirms collection, the module development task ends.

Example four

On the basis of the chip development transaction data storage method provided in the first embodiment, when the consensus node corresponding to the preset time period is determined in step 104, the consensus node may be determined in the following two ways:

the first method is as follows: and selecting the node from the system nodes as a consensus node only, namely not including an authorized node in the consensus node.

Specifically, all system nodes may be selected as the consensus node, or some system nodes may be selected as the consensus node from all system nodes. Because the system nodes are nodes which can always run stably on line, the number, the running stability and the safety of the system nodes are reliably ensured, the nodes are selected from the system nodes to be used as consensus nodes, all the consensus nodes are ensured to belong to the system nodes, and the stability of the consensus process of the consensus nodes can be ensured.

The second method comprises the following steps: and selecting one or more target authorization nodes from the authorization nodes, and further taking the selected target authorization nodes and all system nodes as consensus nodes. Specifically, when a target authorization node is selected from the authorization nodes, the target authorization node may be selected according to the participation degree corresponding to each authorization node, where the probability that the authorization node with a higher participation degree is selected as the target authorization node is higher, and the participation degree corresponding to the authorization node is determined by part or all of the online time and the evaluation score of the authorization node.

It should be noted that all target authorized nodes selected from the authorized nodes are in an online state, and the authorized nodes in a non-online state are not selected as the target authorized nodes, so that the subsequent fast consensus process can be performed normally.

For each authorization node, the longer the online time of the authorization node is, the longer the accumulated time for the authorization node to participate in consensus or perform chip development transaction is, the higher the credibility of the authorization node is. In addition, after the authorization node participates in chip development or chip transaction each time, the authorization node is scored according to the actual completion condition of the chip development or chip transaction, and the higher the accumulated evaluation score of the authorization node is, the better the credit of the authorization node is. Therefore, the corresponding participation degree can be determined according to the online time length and the evaluation score of the authorization node, and the higher the online time length and the higher the evaluation score are, the higher the participation degree of the authorization node is, the higher the credibility of the authorization node with the higher corresponding participation degree is.

When the consensus node is selected from the authorization nodes, the probability that the authorization node with higher corresponding participation degree is selected as the consensus node is higher, but the authorization node with higher corresponding participation degree is not directly selected as the consensus node according to the sequence of the corresponding participation degrees from high to low, so that the fairness of selecting the consensus node from the authorization nodes can be ensured.

And selecting a target authorization node from the authorization nodes, determining the target authorization node and all system nodes as consensus nodes, and selecting part of authorization nodes as the consensus nodes to participate in the consensus process so as to improve the cognitive process and the cognitive result.

In summary, only the node from the system node may be selected as the consensus node, or the system node and the target authorized node selected from the authorized nodes may be used as the consensus node, and the method for selecting the consensus node may be flexibly determined according to the requirement in the actual service implementation process, so that the flexibility of consensus may be improved.

EXAMPLE five

Based on the chip provided in the fourth embodiment to develop the transaction data storage method, the data layer for data storage may include an upper chain part and a lower chain part, where the upper chain part may be a distributed block chain ledger and is a data structure for concatenating blocks into a linked list, and the lower chain part may be a distributed lower chain storage system.

Specifically, the distributed linked-down storage system may be a cloud storage server, or may be each system node. For the cloud storage server, a node of the cloud storage server is to be used for storing non-uplink traffic data. The cloud storage server may provide a high throughput, content-addressed block storage model and content-addressed hyperlinks. And storing unstructured data such as resources, videos and documents in the platform through a cloud storage server. After the uploading and downloading operations of the user are verified by the authority of the application server, an operation request can be made to the cloud storage server.

EXAMPLE six

On the basis of the chip research and development transaction data storage method provided in any one of the first to fifth embodiments, step 105 sequentially and circularly performs at least one hash operation on the corresponding block header by using each consensus node to obtain at least one corresponding hash value, and then step 106 determines an accounting node from the consensus nodes according to the hash values calculated by the consensus nodes. As shown in fig. 6, the process of specifically determining the accounting node may be implemented by the following steps:

step 601: and respectively generating point reward transaction information corresponding to each consensus node.

For each determined consensus node, the credit reward transaction information generated corresponding to the consensus node is different according to the source of the consensus node, specifically:

for any consensus node which is a system node, the credit reward transaction information generated for the consensus node comprises a reward point value and a reward node identification. The reward node identification is used for identifying a target authorization node, and the reward point value defines the amount of points to be rewarded. In addition, the target authorized nodes identified by the reward node identification are selected from all the target authorized nodes, and the probability that the target authorized nodes with higher participation degrees are selected is higher.

For any consensus node which is an authorized node, the credit reward transaction information generated for the consensus node only comprises the reward point value.

Step 602: each consensus node packs the corresponding point reward transaction information, the transaction data, the intelligent contract message data and the index hash value to obtain a corresponding block main body, and performs hash operation on the obtained block main body to obtain a corresponding first Merkle tree root hash value.

For each consensus node, the consensus node packages the point reward transaction information corresponding to the consensus node, all transaction data, intelligent contract message data and index hash values acquired within a preset time period, and further acquires a block main body corresponding to the consensus node, and then performs hash operation on the block main body acquired by packaging through a preset hash algorithm to acquire a first Merkle tree root hash value corresponding to the consensus node.

Step 603: and according to a predetermined node sorting result, each consensus node sequentially carries out at least one hash operation on the corresponding block head to obtain at least one hash value until the consensus node calculates the hash value smaller than the autonomous mining target value.

And each consensus node is sequenced in advance to obtain a corresponding node sequencing result, and then is sequentially and circularly subjected to Hash operation on the corresponding block head according to the node sequencing result, wherein each consensus node is subjected to at least one Hash operation on the corresponding block head each time, and each Hash operation obtains one Hash value. For any common identification node, the block head corresponding to the common identification node comprises a first Merkle tree root hash value corresponding to the common identification node, a second Merkle tree root hash value of the last block on the block chain and an autonomous ore-digging random number, and the autonomous ore-digging random number can be changed according to a preset rule, so that the autonomous ore-digging random numbers contained in the block head are different when the common identification node performs hash operation on the corresponding block head each time.

For example, a second Merkle root hash value is obtained by hashing the last bit block on the blockchain. And sequentially carrying out 10 times of Hash operations on the block heads corresponding to the 100 common identification nodes according to the determined node sorting result, and carrying out the Hash operation on the block heads each time to obtain a corresponding Hash value until the common identification nodes calculate the Hash value smaller than the target value of the autonomous mining. Aiming at any one common recognition node X, when the common recognition node X is subjected to Hash operation according to the node sorting result, the common recognition node X performs Hash operation for 10 times on a corresponding block head X, wherein the block head X comprises information such as a first Merkle tree root Hash value X, a second Merkle tree root Hash value, an autonomous mining random number, a version number, a timestamp and an autonomous mining target value which are calculated by the common recognition node X. The consensus node X performs a hash operation on each pair of the block heads X, and the autonomous mining random number in the block head X is added by 1, for example, when the consensus node X performs the hash operation on the block head X for the first time, the autonomous mining random number included in the block head X is 0, when the consensus node X performs the hash operation on the block head X for the second time, the autonomous mining random number included in the block head X is 1, and when the consensus node X performs the hash operation on the block head X for the third time, the autonomous mining random number included in the block head X is 2. For another example, no hash value smaller than the autonomous mining target value is calculated in the hash operation performed by each of the common identification nodes before, and when the common identification node X performs the fifth hash operation on the block head X, the calculated hash value is smaller than the autonomous mining target value, and all the common identification nodes stop performing the hash operation on the block head.

Step 604: and determining the consensus node which preferentially calculates the hash value smaller than the autonomous mining target value as an accounting node.

And each consensus node sequentially and circularly carries out Hash operation on the corresponding block head to obtain a Hash value, when a target consensus node preferentially calculates the Hash value smaller than a preset autonomous mining target value, all the consensus nodes stop carrying out Hash operation on the block head, and the target consensus node is determined as an accounting node.

It should be noted that, when the consensus node performs the hash operation on the block header, a POW (proof of Work) algorithm may be specifically used to perform the hash operation on the block header.

Aiming at any one consensus node, the block head corresponding to the consensus node comprises a first Merkle tree root hash value, a second Merkle tree root hash value and an autonomous mining random number corresponding to the consensus node. Because the point reward transaction information generated by different consensus nodes is different, the hash values of the first Merkle tree roots corresponding to different consensus nodes are different, so that the hash values obtained by performing hash operation on the corresponding block heads by different consensus nodes for the first time are different. In addition, for the same block head, since the autonomous ore excavation random number in the block head changes after the corresponding consensus node performs the hash operation on the block head every time, the autonomous ore excavation random numbers included in the block head in any two times of hash operations are different, and thus different hash values can be obtained by the same consensus node in different times of hash operations.

And each consensus node sequentially and circularly carries out Hash operation on the corresponding block head, and the consensus node which preferentially calculates the Hash value smaller than the autonomous mining target value is determined as an accounting node, so that the time required by electing the accounting node can be shortened, namely, the rapid consensus is realized, and the consensus efficiency is improved. In addition, the probability that the hash value smaller than the autonomous mining target value is calculated by each consensus node is the same, so that the fairness among the consensus nodes in the consensus process is ensured, and the reliability of the consensus process can be ensured.

EXAMPLE seven

On the basis of the accounting node determining method provided in the sixth embodiment, before the hash operation is performed on the block header by each consensus node in step 603, a node sorting result for each consensus node needs to be determined, so that each consensus node can perform the hash operation in sequence according to the node sorting result. Specifically, after the target authorization nodes are selected from the authorization nodes, the target authorization nodes are arranged behind the system nodes according to the sequence from the largest corresponding participation degree to the smallest corresponding participation degree, and then the node ordering results corresponding to the common identification nodes are obtained according to the ordered common identification nodes.

Since the system node has high credibility and participates in consensus in the generation process of each block, the system node is arranged in front of each target authorized node. The participation degree of the target authorization nodes can represent the credibility of the target authorization nodes, and the higher the participation degree is, the higher the credibility of the corresponding target authorization nodes is, so that the target authorization nodes with higher corresponding participation degrees are arranged behind the system nodes according to the sequence of the corresponding participation degrees from large to small, the target authorization nodes with higher corresponding participation degrees can preferentially perform hash operation on the target authorization nodes with lower corresponding participation degrees, on one hand, the fairness of the consensus process is ensured, and on the other hand, the safety of the consensus result is ensured.

Example eight

On the basis of the method for determining the accounting node provided in the sixth embodiment, after the accounting node is determined in step 604, point issuance may be performed according to point reward transaction information corresponding to the accounting node, where point issuance is different according to a difference that the accounting node is a system node or an authorization node, and specifically as follows:

if the accounting node is a system node, issuing points corresponding to the reward point value to a target authorization node of the reward node identification according to the reward point value and the reward node identification included in the point reward transaction information corresponding to the accounting node;

and if the accounting node is the authorized node, issuing points corresponding to the reward point value to the accounting node according to the reward point value included in the point reward transaction information corresponding to the accounting node.

The system node has no corresponding professional unit or professional person, so that it has no meaning to issue the points to the system node, when the system node is determined as the accounting node, the points are issued to a target authorization node randomly determined before the accounting node according to the point reward transaction information generated by the previous accounting node, and when the target authorization node is determined as the accounting node, the points are issued to the accounting node according to the point reward transaction information generated by the previous accounting node to serve as reward for generating a new block and carrying out uplink processing.

By generating point reward transaction information and after determining the accounting node, points are issued to an authorization node participating in the consensus process according to the point reward transaction information, the points can improve the participation degree of the nodes, and can be used as virtual currency for currency payment in chip research and development and chip transaction processes, so that the authorization node can be stimulated, the authorization node is ensured to actively participate in the consensus process, and the consensus process can be ensured to be normally carried out.

It should be further noted that, on the basis of the chip provided in each of the above embodiments to develop the transaction data storage method, the step 107 is implemented by the accounting node to store the transaction data, the smart contract message data, and the index hash value in the new block, specifically by:

acquiring a target block head, wherein the hash value obtained by carrying out hash operation on the target block head by the accounting node is smaller than the autonomous mining target value;

and combining the acquired target block header with the block main body corresponding to the accounting node to acquire a new block.

Since the random number of autonomous excavation in the block head is different when the same consensus node performs hash operation on the block head each time, the block head corresponding to the accounting node which calculates the hash value smaller than the target value of autonomous excavation needs to be obtained. In addition, the block body corresponding to the accounting node comprises corresponding point reward transaction information, transaction data, intelligent contract message data and an index hash value, so that a new block generated by combining the block head corresponding to the accounting node and the block body comprises the transaction data, the intelligent contract message data and the index hash value, and the transaction data and the intelligent contract message data are stored in the block chain after the new block is linked to the block chain.

In addition, the block main body comprises point reward transaction information corresponding to the accounting node, so the point reward transaction information is also stored in the block chain, and the point reward transaction information can be read from the block chain subsequently to trace the point issuing process, so that the fairness of the point issuing process is ensured.

It should be noted that, after the accounting node links the new block to the block chain, the new block becomes the last block on the block chain, and the second Merkle tree root hash value obtained by performing the hash operation on the whole new block is stored in the new block generated next time.

It should be noted that a set of platform-owned layout, layout and wiring library files can be written in a high-level language, and a user can simply switch between similar process procedures, such as 16/14nm but different Foundry foundries, by simply replacing the device. In the aspect of virtual intellectual property weight of a chip, rapid requirement matching and verification enable a platform to have a large amount of high-quality virtual intellectual property resources with clear protocols. The enterprise can splice circuit module like taking happy high building blocks simply, can accomplish final product.

Example nine

One embodiment of the present invention provides a chip development transaction data storage system, as shown in fig. 7, the system may include: at least two system nodes 701 and at least two transaction nodes 702, wherein,

the system nodes 701 are nodes which always run online stably, the transaction nodes 702 are nodes which participate in the chip development transaction target, and point-to-point communication is performed among the system nodes 701, among the transaction nodes 702 and between the system nodes 701 and the transaction nodes 702;

the system comprises at least two system nodes 701, a distributed under-chain storage system and a distributed under-chain storage system, wherein the system nodes 701 are used for storing an intelligent contract aiming at each chip development transaction target on a block chain, acquiring transaction data, intelligent contract message data and chip development data generated in the process that at least two transaction nodes participate in the chip development transaction target according to the corresponding intelligent contract in a preset time period aiming at each chip development transaction target, storing the chip development data and an index hash value for indexing the chip development data into the distributed under-chain storage system aiming at each acquired chip development data, and determining at least two consensus nodes aiming at the preset time period;

the system comprises at least two consensus nodes and a target consensus node, wherein the two consensus nodes are used for sequentially and circularly performing at least one Hash operation on a block head and determining the target consensus node as an accounting node, the block head is generated according to the acquired transaction data, the intelligent contract message data and an index Hash value corresponding to each chip research and development data, and the target consensus node preferentially calculates a Hash value smaller than a preset autonomous mining target value;

and the accounting node is used for storing the acquired transaction data, the intelligent contract message data and the index hash value in the generated new block and linking the new block to the block chain.

It should be noted that the chip development transaction data storage system provided in the ninth embodiment and the chip development transaction data storage method provided in the first to eighth embodiments are based on the same concept, and specific contents may refer to the description in the first to eighth embodiments, and are not described again.

Example ten

On the basis of the chip development transaction data storage system provided by the ninth embodiment, the system may further include: at least one authorized node, at least one ordinary node and at least one guest node;

the authorization node is an operating user node with a consensus authority, the common node is an operating user node with a block reading authority in the alliance, the visitor node is a user node which is arranged outside the alliance and reads transaction data and intelligent contract message data related to the visitor node from a block chain, and any two nodes of the system node, the authorization node, the common node and the visitor node are in point-to-point communication;

and the visitor node is used for submitting an application becoming a common node and becoming the common node after the application is approved.

It should be noted that the transaction node participating in the chip development transaction target may be an authorized node, a normal node, or a guest node.

In the embodiment of the present invention, as shown in fig. 8, the chip development transaction data storage system may include four layers, namely, a core layer 801, an authorization layer 802, a normal layer 803 and a guest layer 804, and the nodes included in the system are divided into four types, namely, a system node 805, an authorization node 806, a normal node 807 and a guest node 808. System node 805 is a platform-recognized always-on, stably operating node; the authorized nodes 806 are the slave unit nodes or the slave individual nodes with common identification authority, and the block chains are synchronized among the authorized nodes 806; the common node 807 is a common working unit node or a common working individual node in the federation, and does not need to inquire about a billing process (i.e., a block construction process) or synchronize a block chain but has a block read right; the guest node 808 is a node outside the federation that has no billing rights and no tile read rights, but has transaction rights and can read transaction data associated with itself.

The function of the core layer 801 is to accomplish a blockchain consensus. This layer may consist of only system node 805 or may consist of all system nodes 805 and some selected authorized nodes 809, which may improve the flexibility of consensus. The system node 805 may only perform consensus to ensure stability, or some selected authorized nodes 809 may participate in the consensus to improve the confidence level. Here, the selected authorization nodes 809 are all authorization nodes 806 that are online when the current tiles are commonly identified. The core layer 801 and the grant layer 802 are dynamically changed because the grant node 809 may not be selected every time in the core layer 801 during the process of identifying blocks.

The authorization layer 802 is composed of all authorization nodes 806 that do not participate in consensus currently, and functions of the authorization nodes are equivalent to maintaining the authorization nodes, accepting the request of the ordinary node 807 to become the authorization nodes 806, and selecting the authorization nodes 806 to enter the core layer 801 to participate in consensus. Core layer 801 and grant layer 802 are dynamically changed because each selected grant node 806 in grant layer 802 may be different during each block consensus.

The generic layer 803 includes all generic office unit nodes and office individual nodes in the federation, has the right to read block data, and functions as a maintenance generic node, an application for accepting the guest node 808 as a generic node 807, and an application for submitting the generic node 807 to the authorization layer 802. The generic layer is relatively stable but may vary because the generic node 807 of the generic layer may apply for the authorized node 806, and the guest node 808 may also apply for the generic node 807 after having the ability or qualification to work.

The guest layer 804 includes all guest nodes outside the federation, having transaction rights, having no block read rights but having rights to read transaction data related to the guest node 808 itself. Its function is equivalent to maintaining a request for a guest node, submitting the guest node 808 to enter the common layer 802. The guest layer 804 is dynamically changing and any computer with internet capability can become a guest node 808.

In summary, the chip development transaction data storage method and system provided by the embodiments of the present invention store the intelligent contract corresponding to each chip development transaction target on the block chain, the transaction node can participate in the development and transaction targets of each chip according to the intelligent contracts stored on the blockchain, then transaction data, intelligent contract message data and chip development data generated in the process that the transaction node participates in the development and transaction of each chip within a preset time period are obtained, each chip development data and an index hash value used for indexing the chip development data are respectively stored in a distributed under-chain storage system, then an accounting node is selected from the common identification nodes aiming at the preset time period through a quick common identification algorithm, and the obtained transaction data, intelligent contract message data and the index hash value are stored in the blockchain by the accounting node. Therefore, transaction data, intelligent contract message data and index hash values generated by participating in development and transaction targets of each chip are stored in the block chain in a preset time period, so that traceability and tamper resistance of process data generated in the chip development and transaction processes can be guaranteed based on the characteristic of block chain storage.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A method for storing chip development transaction data is characterized by comprising the following steps:

determining at least two consensus nodes for the preset time period;

storing the acquired transaction data, the intelligent contract message data and the index hash value in a generated new block through the accounting node, and linking the new block to the block chain;

the performing at least one hash operation on the block header sequentially and circularly by using the at least two consensus nodes includes:

respectively generating point reward transaction information corresponding to each consensus node, wherein for each consensus node, if the consensus node is a system node, the point reward transaction information corresponding to the consensus node comprises a reward point value and a reward node identifier, the reward node identifier is used for identifying a target authorization node, and if the consensus node is an authorization node, the point reward transaction information corresponding to the consensus node comprises the reward point value; the target authorization node identified by the reward node identification is selected from all target authorization nodes, and the probability that the target authorization node with higher corresponding participation degree is selected is higher;

according to a predetermined node sorting result, each common identification node sequentially carries out at least one hash operation on a corresponding block head to obtain at least one hash value, wherein for each common identification node, the block head corresponding to the common identification node comprises the first Merkle root hash value corresponding to the common identification node, the second Merkle root hash value of the last block on the block chain and an autonomous mining random number, and the autonomous mining random number is changed according to a preset rule, so that the block head comprises different autonomous mining random numbers when the common identification node carries out the hash operation on the block head each time;

the determining at least two consensus nodes for the preset time period comprises: screening at least one target authorization node from at least one authorization node, and determining the at least one target authorization node and at least two system nodes as the consensus node, wherein the system nodes are always online and stably operated nodes, the authorization nodes are professional user nodes with consensus authority, the probability that the authorization node is selected as the target authorization node is in direct proportion to the participation degree corresponding to the authorization node, and the participation degree is determined by part or all of the online time and the evaluation score of the authorization node;

further comprising:

obtaining a node sequencing result according to the arrangement sequence of the consensus nodes;

after the determining the target consensus node as the accounting node, further includes:

if the accounting node is an authorized node, issuing points corresponding to the reward point value to the accounting node according to the reward point value included in the point reward transaction information corresponding to the accounting node;

the points are used for improving the participation degree of the nodes;

for each chip development transaction target, the intelligent contract corresponding to the chip development transaction target includes any one or more of a virtual intellectual property transaction contract, a virtual intellectual property authorization contract, and a chip development contract, wherein,

2. The method of claim 1, further comprising, after said linking the new block to the block chain:

3. The method of claim 1,

4. A chip development transaction data storage system, comprising: at least two system nodes and at least two transaction nodes, wherein,

the system nodes are always on-line stably operated nodes;

the at least two system nodes are used for storing an intelligent contract aiming at each chip development transaction target on a block chain, acquiring transaction data, intelligent contract message data and chip development data generated by the at least two transaction nodes in a process of participating in the chip development transaction target according to the corresponding intelligent contract in a preset time period aiming at each chip development transaction target, storing the chip development data and an index hash value for indexing the chip development data into a distributed under-chain storage system aiming at each acquired chip development data, and determining at least two consensus nodes aiming at the preset time period;

the accounting node is used for storing the acquired transaction data, the intelligent contract message data and the index hash value in a generated new block and linking the new block to the block chain;

the at least two consensus nodes are used for respectively generating point reward transaction information corresponding to each consensus node, packaging the point reward transaction information corresponding to the consensus node and the transaction data, the intelligent contract transaction data and the index hash value to obtain corresponding block main bodies aiming at each consensus node, carrying out hash operation on the block main bodies to obtain a first Merkle tree root hash value corresponding to the consensus node, and carrying out at least one hash operation on corresponding block heads in sequence according to a predetermined node sorting result to obtain at least one hash value, wherein aiming at each consensus node, if the consensus node is the system node, the point reward transaction information corresponding to the consensus node comprises a reward point value and a reward node identification, the reward node identification is used for identifying a target authorization node, if the consensus node is an authorization node, the point reward transaction information corresponding to the consensus node comprises a reward point value, for each consensus node, the block head corresponding to the consensus node comprises the first Merkle root hash value corresponding to the consensus node, the second Merkle root hash value of the last block on the block chain and an autonomous mining random number, and the autonomous mining random number changes according to a preset rule, so that the block head comprises different autonomous mining random numbers when the consensus node performs hash operation on the block head each time; the target authorization node identified by the reward node identification is selected from all target authorization nodes, and the probability that the target authorization node with higher corresponding participation degree is selected is higher;

the at least two common recognition nodes comprise at least one target authorization node and at least two system nodes, wherein the at least one target authorization node is obtained by screening from at least one authorization node, the authorization node is a professional user node with common recognition authority, the probability that the authorization node is selected as the target authorization node is proportional to the participation degree corresponding to the authorization node, the participation degree is determined by part or all of the online time and the evaluation score of the authorization node, and the at least one target authorization node is arranged behind the at least two system nodes according to the sequence of the participation degree from large to small;

the points are used for improving the participation degree of the nodes;

the system further comprises: at least one authorized node, at least one ordinary node and at least one guest node;

the authorization node is an office user node with consensus authority;

the visitor node is used for submitting an application of becoming a common node and becoming the common node after the application is approved;