What is the relationship between Blockchain and Big data?

In these rapidly changing times, mobile Internet is coming when you have not learned the PC Internet, and big data is coming when you have not learned  the mobile Internet. Nowadays, Blockchain is coming. So what is the relationship between big data and Blockchain? After reading the following views, you can get the conclusion about: Big data is coming flying with Blockchain.

• Data Safety: Blockchain make data flow confidently

With the dependability, security and immutability, Blockchain can liberate more data. For the gene sequencing, Blockchain can use the private key to access authority, then avoid legal access to individual gene data, and finish the whole sequencing services with a low cost by distributed computing. The safety of Blockchain make it possible for sequencing to an industrialized solution, even to a global scale to promoting the massive growth of data.

• Opened & Shared: Blockchain protect the privacy of data

The government owns a large number of high density and high value data, such as the medical data and population data. Opening data is a trend for the whole economic and social development, which will have an immeasurable impetus. However, the difficulty and challenge of the opening data is about how to protect the privacy. The desensitization technology that based on Blockchain can ensure the data confidentiality and provide the solutions for the opened data. The data desensitization technology mainly adopts the encryption algorithm about hash processing. For example, the Enigma system that based on blockchain technology, it can computing data without accessing to the original data, and prevent information security problems in data sharing process.

• Data Storage: Blockchain is a storage technology of database for immutability, historicity and strong endorsement

Block chain technology makes all the nodes participate in the network computing, and reach to the whole network consensus by the mutual authentication. In another way, blockcahin technology is a specific database technology.  So far,Big data still in a basic stage, and Block chain data that's based on the whole network consensus is immutability, historicity and strong endorsement of data quality, all of these make the development of a database to a new era.

• Data Analysis: Blockchain can ensure data security

Data analysis is the core to realize the value of data. How to protect personal privacy and prevent the core data leakage is the primary consideration. For example, with the popularity of fingerprint and gene detection & analysis, more and more people worried about the data leakage that may lead to serious consequences. And Blockchain can prevent these situations by multi-signature (private key), encryption and secure multi-party computation technique. Data can be stored in the decentralized Blockchain, doing the data analysis without access to the original data, and can be safely shared to the global scientific research institutions as the health database, to bring great convenience for sudden illness and future diseases.

• Data Flow: Blockchain can guarantee the related interests

For the individual or organized valuable data assets,. which can be registered by Blockchain, the transaction recording is approved by the whole network with transparency and traceability, then explicit the source, the ownership, the use and circulation path of data assets, having great value for asset transaction.

All of these with protection in Blockchain, Big data will naturally be more active.

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