Intelligent contract implementation method based on block chain

A smart contract and blockchain technology, applied in the blockchain field, can solve the problems of low reliability, easy to be denied, and tampered with digital contracts.

Inactive Publication Date: 2017-08-29
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Problems solved by technology

Digital contracts have the risk of being valid, easily denied, t...

Method used

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  • Intelligent contract implementation method based on block chain
  • Intelligent contract implementation method based on block chain

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Embodiment 1

[0056] see figure 2, when there is a need for data sharing between user A and user B, user A and user B first jointly formulate a smart contract, and digitize it through conversion, and both parties sign the smart contract with their own private keys. Go to the blocks corresponding to A and B, and record the corresponding timestamps in the corresponding blocks. When user A shares a piece of data with user B, this is a "data sharing behavior" that is passed into the blockchain as a transaction. When the transaction meets the trigger conditions of the smart contract, the verification node will verify the transaction. After the verification is passed, the transaction will be automatically executed, otherwise, the transaction will not be executed because the verification condition is not met. For example: one of the smart contracts formulated by user A and user B is: the data shared by user A to user B, and user B only has the authority to open, edit and operate within a specifi...

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Abstract

The invention discloses an intelligent contract implementation method based on a block chain, and belongs to the field of intelligent contracts. The system mainly comprises three parts: the formulation of an intelligent contract, the storage of the intelligent contract into the block chain, and the automatic execution of the intelligent contract. Multi-side users jointly participate in the formulating of the intelligent contract, and the participants carry out the digital signature for the intelligent contract and store the intelligent contract in a block chain network. When the data sharing happens between the participants, the intelligent contract will regularly check the state of an automat. Once one business meets an intelligent contract triggering condition, a verification node will carry out the identity verification of the business, and the passed business will be successfully executed by a system.

Description

technical field [0001] The invention relates to the technical field of block chains, in particular to a block chain-based smart contract implementation method. Background technique [0002] A contract refers to a provision that two or more parties enter into to determine their respective rights and obligations when handling something. [0003] Traditional contracts are written on paper, and will only take effect after signing and stamping. The execution process of the contract is composed of many control agreements. The control agreements include the preservation of records such as forms and bills, and the review and negotiation of records. The participation of a third party, and the performance of the contract can only be guaranteed by law and force. [0004] With the development of information technology, it has gradually become a new development trend to reduce the cost of contract designation, control and execution through technologies such as computer, Internet and cry...

Claims

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Application Information

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IPC IPC(8): G06Q20/38G06Q20/40
CPCG06Q20/3825G06Q20/405
Inventor 张小松夏琦范文慧牛伟纳陈瑞东
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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