How is data stored in blockchain?

Blockchain storage is a way of saving data in a decentralized network, which utilizes the unused hard disk space of users across the world to store files . The decentralized infrastructure is an alternative to centralized cloud storage and can solve many problems found in a centralized system.

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Is blockchain a NoSQL?

Blockchain is simply a new type of database. Rather than traditional databases (SQL or NoSQL) that are controlled by single entities , blockchain can be shared by a group of non-trusting parties without requiring a central administrator.

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