Blockchain node data safety interaction method and first interaction node

A technology of node data and interaction methods, applied in the field of blockchain, can solve the problem of not wanting to be shared with peers, and achieve the effect of ensuring business legitimacy and protecting transaction privacy

Pending Publication Date: 2020-07-17
INDUSTRIAL AND COMMERCIAL BANK OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, as far as financial institutions are concerned, user accounts and transaction information are important assets and business secrets, and they do not want to be shared with peers, so there are currently some contradictory problems that cannot be resolved

Method used

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  • Blockchain node data safety interaction method and first interaction node
  • Blockchain node data safety interaction method and first interaction node
  • Blockchain node data safety interaction method and first interaction node

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Embodiment Construction

[0039] In order to make the purpose, technical solutions and advantages of the embodiments 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 drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. 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.

[0040] At present, in the blockchain public chain, every participant can obtain a complete data backup, and all transaction data is open and transparent, which is the advantage of the public chain. However, as far as financial institutions are concerned, user accounts and transaction information are important assets and business secrets, and they ...

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PUM

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Abstract

According to the blockchain node data safety interaction method and the first interaction node provided by the invention, the transaction information is encrypted by using the homomorphic encryption technology, the blockchain account book only stores the ciphertext, and the transaction information is invisible to a non-transaction participant on the chain, so that the transaction privacy of the user is effectively protected; in the prior art, homomorphic encrypted transaction information cannot be verified whether to be legal or not, a zero knowledge proof technology is used for performing range proof on the transaction amount in an invisible state of the transaction amount, each node of the block chain network can participate in verification after receiving broadcast transaction, and theservice legality and public verifiability of the transaction are ensured.

Description

technical field [0001] The present invention relates to the technical field of block chains, in particular to a block chain node data security interaction method and a first interaction node. Background technique [0002] Financial assets play a vital role in human social life. They are assets that exist in the form of value that people own, and they can also be an intangible certificate for claiming physical assets. Financial assets can be traded in the corresponding financial market, and the two parties to the transaction can legally exchange on the designated platform through some agreement. Asset trading behavior has become an indispensable part of people's daily life in today's society, promoting the development of the entire social economy. With the rapid development of science and technology in human society, digital currency has begun to enter people's lives, traditional cash transactions and offline transactions have begun to be impacted, asset transactions are als...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q20/38G06F21/62
CPCG06Q20/3829G06F21/6218
Inventor 邹晓梦张占礼黄肇敏钟亮
Owner INDUSTRIAL AND COMMERCIAL BANK OF CHINA
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