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A blockchain-based cross-chain data interaction method and a blockchain-based cross-chain data interaction system

A data interaction and blockchain technology, applied in the blockchain field, can solve the problems of complex solution design, unsuitable use of blockchain expansion schemes, and unguaranteed cross-chain data interaction consistency, so as to ensure consistency. Effect

Active Publication Date: 2019-06-21
上海分布信息科技有限公司
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Problems solved by technology

[0002] The interaction between blockchain chains is an important part of cross-chain design. Currently, the scalability design of blockchain mainly serves the single-chain transaction process. For the expansion of cross-chain transactions, most of them are based on the model of heterogeneous chains. In order to serve For heterogeneous chains, the scheme design is too complicated, and under the premise of ensuring the function, the efficiency cannot be guaranteed
[0003] In the isomorphic chain environment, the side chain operation can be realized without additional economic pledge. Compared with the heterogeneous chain, the operation cost is lower, but most of the existing blockchain expansion solutions are not suitable for isomorphic chains. It is used in the chain environment, and in the process of cross-chain data interaction between chains, the consistency of cross-chain data interaction cannot be guaranteed

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[0053] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the present invention. Obviously, the described embodiments are part of the present invention Examples, not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention. Unless otherwise defined, the technical terms or scientific terms used herein shall have the usual meanings understood by those skilled in the art to which the present invention belongs. As used herein, "comprising" and similar words mean that the elements or items appearing before the word include the elements or items listed after the word and their equivalents, without excluding other el...

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Abstract

The invention provides a blockchain-based cross-chain data interaction method. The method comprises a node selection step, an initialization step and a cross-chain data transmission step; when a mainchain transmits cross-chain data to a side chain, an operation node performs main chain block synchronization processing on the main chain, and then performs main chain data synchronization processing on the main chain in a data signature mode; and when the side chain transmits cross-chain data to the main chain, the operation node performs side chain block synchronization processing on the sidechain, and then performs side chain data synchronization processing on the side chain by adopting a data signature mode. According to the cross-chain data interaction method based on the block chain,the multiple operation nodes are adopted, the situation that the consistency of cross-chain data is affected due to the fact that a single operation node has errors is avoided, data synchronization iscarried out on the premise that block synchronization is carried out, and the consistency of cross-chain data interaction is guaranteed. The invention also provides a method for realizing the cross-chain data interaction based on the block chain.

Description

technical field [0001] The invention relates to the technical field of block chains, in particular to a block chain-based cross-chain data interaction method and a cross-chain data interaction system. Background technique [0002] The interaction between blockchain chains is an important part of cross-chain design. Currently, the scalability design of blockchain mainly serves the single-chain transaction process. For the expansion of cross-chain transactions, most of them are based on the model of heterogeneous chains. In order to serve For heterogeneous chains, the scheme design is too complicated, and the efficiency cannot be guaranteed under the premise of ensuring functions. [0003] In the isomorphic chain environment, the side chain operation can be realized without additional economic pledge. Compared with the heterogeneous chain, the operation cost is lower, but most of the existing blockchain expansion solutions are not suitable for isomorphic chains. It is used in...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q20/38H04L29/08
Inventor 谈元胡凝丛宏雷
Owner 上海分布信息科技有限公司
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