A method and equipment for realizing data sharing by use of passing certificate based on a block chain network

Abstract

The invention relates to a method and equipment for realizing data sharing by using a passing certificate based on a block chain network. The method comprises the following steps: a data storage step:in response to receiving an uploading request for one or more data records from first client equipment, storing the one or more data records in an account book of the block chain network; A data query step: responding to an access request associated with at least one of the one or more data records and received from the second client device, and querying the at least one data record from the account book; Responding to the inquired at least one data record, deducting the number of pass cards required for accessing the at least one data record from the account of the second client device, anddistributing the number of pass cards required for accessing the at least one data record to the account of the first client device; And sending the at least one data record to the second client device.

Description

technical field [0001] The present invention relates to block chain technology, and in particular to a method and device for realizing data sharing based on a block chain network by using tokens. Background technique [0002] Blockchain is a series of transaction records (also known as blocks) that are connected and protected by cryptography. Each block contains the encrypted hash of the previous block, the corresponding time stamp, and transaction data (usually represented by the hash value calculated by the Merkle tree algorithm). This design makes the block content difficult to tamper with. The distributed ledger connected by the blockchain allows two parties to effectively record the transaction, and the transaction can be permanently verified. [0003] The blockchain shared value system was first imitated by many cryptocurrencies, and improvements were made in the workload proof and algorithm, such as the use of equity proof and SCrypt algorithm. Subsequently, the blo...

AI Technical Summary

Problems solved by technology

[0007] At present, the development of the Internet is moving from the stage of the mobile Internet to the stage of the Internet of Things, and network terminals (that is, client devices) have also expanded from smartphones, watches, and personal computers to various devices such as vehicles and household appliances. The existing data ( For example, vehicle networking data) sharing methods generally require the use of a centralized back-end server for data storage and access control, so there are mainly the following problems: a. The credibility of the data, because these data are usually stored in the back-end server Therefore, there is the problem of data being artificially tampered with; b. The problem of data access control, whereby the authorized access control of data is controlled by the background program of the background server, so there are data access security problems, such as improper human operation, logical loopholes Wait

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