Data transaction system and method based on smart contract technology of blockchain

Abstract

The invention discloses a data transaction system and method based on smart contract technology of a blockchain. The system comprises a data selling end, a data purchasing end and a service node, thedata purchasing end pays corresponding digital assets to a smart contract running in a blockchain, stores a digital assets in the intelligent contract, and sends a loaning request to the smart contract after receiving the data file; and the smart contract sends the digital assets to the data selling end. The data transaction system based on the smart contract technology of the blockchain and the method thereof provided by the invention are realized by the smart contract on the blockchain, all digital assets in the transaction process are hosted in the smart contract on the blockchain, the assets are public, transparent and viewable, the digital assets are hosted in the smart contract, the problem of centralized trust does not exist, and the security of the data transaction system is improved. The transfer-in and transfer-out records of the digital assets in the smart contract are all recorded on the blockchain, can be checked publicly and cannot be modified, so that the trust problem of two transaction parties is solved.

Description

Technical field [0001] The present invention relates to a data transaction system and method based on block chain technique Intelligent contract. Background technique [0002] Data current mainstream payment systems, most of them with Centralized third-party asset custody program (such as a trading platform), both parties choose a trusted third party, the transaction process assets to a third party hosted account, the transaction is completed into the transfer of assets by a third party. There are several risks existing data point payment system: [0003] 1. The third party may be bought in these transactions and cheating, thus resulting in unfair trading, parties suffered losses; [0004] 2. pools of capital asset custody form lacks transparency, third parties may misappropriation of assets under custody, for other uses, resulting in the presence of deficit risk assets under custody; [0005] 3. The third party may be at risk roll the money and run, resulting in assets under cus...

AI Technical Summary

Problems solved by technology

[0003] 1. The third party may be bribed by one party in the transaction to cheat, resulting in unfair transactions and losses to related parties;

[0004] 2. The fund pool formed by asset custody is not transparent enough, and third parties may misappropriate the custody assets and use them for other purposes, resulting in the risk of deficit in custody assets;

[0005] 3. The third party may have the risk of stealing money and running away, resulting in unrecoverable custody assets and losses for both parties to the transaction

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