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Cross-chain exchange method and system based on credible oracle machine and medium

An oracle machine and chain exchange technology, applied in the field of blockchain, can solve problems such as insufficient reliability and single-point failure, and achieve the effects of ensuring atomicity, improving security, and high fault tolerance.

Pending Publication Date: 2020-05-12
SHANGHAI JIAO TONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the notary of a single component may cause a single point of failure, so the reliability cannot be fully guaranteed

Method used

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  • Cross-chain exchange method and system based on credible oracle machine and medium
  • Cross-chain exchange method and system based on credible oracle machine and medium
  • Cross-chain exchange method and system based on credible oracle machine and medium

Examples

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Embodiment Construction

[0052]The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0053] Such as figure 1 As shown, it is the specific process of the cross-chain exchange scheme based on the trusted oracle machine of the present invention, which completes the information exchange and asset exchange between the chains. The following takes Ethereum user A's request to obtain the latest block information of Bitcoin and an asset exchange between Ethereum user A and Bitcoin user B as examples, combining figure 1 Describe the cross-chain exchange process in detail.

[0054] The following ...

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Abstract

The invention provides a cross-chain exchange method based on a credible oracle machine, and the method is characterized in that the method comprises the steps that 1, a system administrator deploys an intelligent contract on a request chain, requests a user to initiate a cross-chain request through the intelligent contract, and discloses the cross-chain request in an event log mode; 2, the requested user of the cross-chain request makes a response after observing the cross-chain request; step 3, a request event log on the request chain is monitored by an oracle machine node under the chain; 4, the monitored request is processed by the oracle machine node to obtain a request result, and the request result is sent back to the request chain; 5, a returned result on the request chain is verified; and step 6, after the verification is passed, a request result is received, corresponding processing is carried out on the chain, and the state of the cross-chain request is set to be completed.According to the invention, the overall reliability of the network is improved; the real and effective complexity of the verification result is reduced; and the processing efficiency of most normal process requests is also improved.

Description

technical field [0001] The present invention relates to the technical field of block chains, in particular to a method, system and medium for cross-chain exchange based on a trusted oracle. In particular, it involves a method based on a trusted oracle that can guarantee the authenticity of cross-chain information exchange and the atomicity of cross-chain asset exchange. Background technique [0002] The closed trust model of the blockchain makes it impossible for different chains to interact directly, and the interoperability between the chains greatly limits the application space of the blockchain, so cross-chain technology is the key to realizing the value interconnection of the blockchain. [0003] The most common cross-chain scenarios are cross-chain information exchange and cross-chain asset exchange. Cross-chain information exchange is the process in which a blockchain obtains data on another blockchain. The key lies in how to ensure that the data obtained from the ou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q40/04G06Q20/38H04L29/06
CPCG06Q20/382G06Q40/04H04L63/0421
Inventor 陈俐俐袁睿夏虞斌
Owner SHANGHAI JIAO TONG UNIV
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