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Block chain cross-chain method and device, computer equipment and storage medium

A block chain and block technology, applied in the field of block chain, can solve the problems such as the difficulty of monitoring the relay chain and the difficulty of ensuring that the consensus algorithm conforms to other block chains, so as to avoid transformation, simplify development and ensure integrity and the effect of correctness

Active Publication Date: 2020-10-13
CHINA CONSTRUCTION BANK
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In many cross-chain projects, most of the relay identity is an independent blockchain, that is to say, to realize communication between two independent blockchains, messages need to be forwarded through the relay chain, but How to ensure the credibility of the relay chain is a difficult problem, and the relay chain needs to obtain or send data on other chains, so the credibility of the relay chain is the most important issue for cross-chain communication
In addition to security issues, the supervision of the relay chain is also a difficult problem, and the consensus algorithm of the relay chain is also difficult to ensure that it meets the requirements of other blockchains

Method used

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  • Block chain cross-chain method and device, computer equipment and storage medium
  • Block chain cross-chain method and device, computer equipment and storage medium
  • Block chain cross-chain method and device, computer equipment and storage medium

Examples

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no. 1 example

[0051] like figure 1Shown is a structural diagram of a blockchain cross-chain system in the embodiment of this paper. In this embodiment, the source blockchain 101 of the cross-chain transaction is physically isolated from the destination blockchain 102 that receives the cross-chain transaction. However, the source One (or several) nodes (interface nodes) 103 in the block chain can communicate with a purpose block chain application proxy 104, and the target block chain application proxy 104 can communicate with the target block chain 102, the source block The interface node 103 of the chain can participate in the consensus verification of the source block chain 101, synchronize the shared account book of the source block chain, and communicate with the target block chain application agent 104 at the application layer, and the target block chain application agent 104 Can communicate with the source block chain interface node 103 at the application layer, and can communicate wit...

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Abstract

The invention relates to the technical field of block chains and in particular to a block chain cross-chain method and device, computer equipment and a storage medium. The method comprises the steps:a source block chain application agent receives cross-chain communication data sent by a source block chain and forwards the cross-chain communication data to an interface node of a target block chain; a target block chain application agent receives a request for verifying the cross-chain communication data sent by the target block chain, verifies the cross-chain communication data through a source block chain link port node, and feeds back a verification result to the target block chain; when the verification result is passed, the target block chain executes chain falling processing of the cross-chain communication data. Through the method disclosed in the embodiment of the invention, the network structures and protocols of the source block chain and the target block chain are not changed, the integrity and an original security mechanism of the networks of the source block chain and the target block chain are reserved, and cross-chain communication can be realized under the minimum change.

Description

technical field [0001] This article relates to the field of blockchain technology, and in particular to a blockchain cross-chain method, device, computer equipment and storage medium. Background technique [0002] A distributed ledger system (DLS), which may also be referred to as a consensus network and / or a blockchain network, enables participating entities to store data securely and immutably. Without referencing any specific use case, DLS is often referred to as a blockchain network. [0003] Example types of blockchain networks may include public blockchain networks, private blockchain networks, and consortium blockchain networks. The public blockchain network is open to all entities to use DLS and to participate in the consensus process. Private blockchain networks are provided for specific entities that centrally control read and write permissions. Consortium blockchain networks are provided for selected groups of entities that control the consensus process and inc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06
CPCH04L63/0218H04L63/0281H04L63/123H04L63/126
Inventor 吴稷
Owner CHINA CONSTRUCTION BANK
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