Transaction verification method and system based on block chain

A verification method and verification system technology, applied in payment systems, payment architectures, instruments, etc., can solve the problems of high system operation overhead, information leakage, and restriction of the application of blockchain technology, so as to prevent balance leakage, ensure security, The effect of ensuring transaction processing speed

Active Publication Date: 2017-03-29
ONE CONNECT SMART TECH CO LTD SHENZHEN
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Problems solved by technology

However, since there is no absolute authority node in the decentralized blockchain system, collective verification of each transaction is a necessary step, which makes the transactions of the transaction participants no secret at all, and an organization's account also May be tracked by institutions on other nodes, which brings the risk of infor

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  • Transaction verification method and system based on block chain
  • Transaction verification method and system based on block chain

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Embodiment Construction

[0039] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer and clearer, the present invention 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 invention, not to limit the present invention.

[0040] The invention provides a blockchain-based transaction verification method.

[0041] refer to figure 1 , figure 1 It is a schematic flowchart of an embodiment of the blockchain-based transaction verification method of the present invention.

[0042] In one embodiment, the blockchain-based transaction verification method includes:

[0043]Step S10, when a node on the block chain processes a transaction with a transaction type and transaction amount, the node decrypts the original balance of each transaction party through the first decryption par...

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Abstract

The invention discloses a transaction verification method and system based on a block chain. The method comprises the following steps: when a node on the block chain processes a transaction with a transaction type and a transaction amount, decrypting an original balance of each transaction side through first decryption parameters sent through the transaction sides, obtaining new balances by calculating each original balance, obtaining encrypted new balances by encrypting the new balances through encryption parameters sent by the transaction sides, and broadcasting each encrypted new balance on each node of the block chain; when the node of the block chain receives the broadcast encrypted new balance of each transaction side, starting an intelligent contract to perform composite number verification; if the composite number verification succeeds, performing updating based on each corresponding encrypted new balance; and invoking an external negative balance verification system to perform negative balance examination on each account balance, and if the negative balance examination succeeds, determining that transaction verification succeeds. According to the invention, whether the transaction is normal can be verified, and the transaction processing speed on the block chain can also be guaranteed under the condition that the system overhead is not occupied.

Description

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Claims

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Application Information

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Owner ONE CONNECT SMART TECH CO LTD SHENZHEN
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