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Cross-chain data transmission method and device, computer equipment and storage medium

A technology of data and protocol data packets, applied in the field of blockchain, it can solve the problem of inability to provide business application blockchain and blockchain data interoperability solutions.

Active Publication Date: 2021-05-14
TENCENT TECH (SHENZHEN) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing cross-chain technology can only achieve data interoperability between blockchains, and cannot provide safe and efficient data interoperability solutions between business applications and blockchains, and between blockchains and blockchains at the business level.

Method used

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  • Cross-chain data transmission method and device, computer equipment and storage medium
  • Cross-chain data transmission method and device, computer equipment and storage medium
  • Cross-chain data transmission method and device, computer equipment and storage medium

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Embodiment Construction

[0086] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

[0087] The terms "first", "second", "third", etc. (if any) in the claims, description and drawings of this application are used to distinguish similar objects and not necessarily to describe a specific order or priority. It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein can be practiced in sequences other than those illustrated or described herein.

[0088] see Figure 1A In the data sharing system shown, the data sharing system 100 refers to a system for sharing d...

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Abstract

The invention relates to a cross-chain data transmission method and device, computer equipment and a storage medium. The method comprises the following steps: receiving a cross-chain request which is initiated by a first service application and carries a cross-chain protocol data packet and a first electronic signature, wherein cross-chain data, authority information and a business application public key address are packaged in the cross-chain protocol data packet, and the first electronic signature is obtained by performing cross-chain signature on the cross-chain protocol data packet based on a service application private key; when the cross-chain signature verification is passed, performing account public key address replacement processing on a business application public key address in the cross-chain protocol data packet to obtain a target cross-chain protocol data packet; performing indirect cross-chain signature on the target cross-chain protocol data packet to obtain a second electronic signature, and generating an updated cross-chain request carrying the second electronic signature and the target cross-chain protocol data packet; and transmitting the updated cross-chain request to a cross-chain node corresponding to the second service application. By adopting the method, data intercommunication between different business applications and the blockchain can be realized.

Description

technical field [0001] The present application relates to the technical field of blockchain, in particular to a method, device, computer equipment and storage medium for cross-chain data transmission. Background technique [0002] With the development of blockchain technology, blockchain is gradually applied to various scenarios. Usually, different organizations use different blockchains to manage their own business data, and different business applications of the same organization may also use different blockchains. Blockchain to manage different business data. [0003] Different blockchains are often developed using different technical architectures, and often cannot directly exchange data. As a bridge connecting different blockchains, cross-chain technology can realize data intercommunication between different blockchains. However, the existing cross-chain technology can only achieve data interoperability between blockchains, and cannot provide safe and efficient data in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L9/32H04L9/06
CPCH04L67/10H04L67/1074H04L9/3247H04L9/0643H04L67/1097H04L63/126H04L63/0428H04L63/0281H04L9/50H04L9/3263H04L9/0825
Inventor 冯治波申子熹
Owner TENCENT TECH (SHENZHEN) CO LTD
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