Cloud chain data exchange system and method based on smart contract, and related equipment

The invention discloses a cloud chain data exchange system and method based on an intelligent contract and related equipment, and the system comprises a front-end processor node module which is used for generating data index information, namely data assets, stored on a chain according to the original data of a data provider, and carrying out the exchange of the data assets, and obtaining a data request result; the block chain module is used for verifying the joining authority of the data provider, receiving the data assets sent by the front-end processor node module and storing the data assets; the contract module is used for deploying an intelligent contract, managing the data asset information through the intelligent contract and controlling the access authority of the data asset information; the access control module is used for providing a requester interface and performing access management on data asset information by calling the intelligent contract; and the cloud storage module is used for storing the