What type of database is blockchain

Question

Is Blockchain a distributed database? Can we store any digital data on blockchain?

Answer 1

Blockchain is a distributed database. what makes it special is that it is immutable. It is considered to be an unhackable database wherein you can only write and cannot delete any inserted data in the blocks.

You can practically store the hash of any digital data on blockchain.

Answer 2

Yes, Blockchain is a Distributed Ledger. But remember: 

Every blockchain is a distributed ledger, but not every distributed ledger is a blockchain.

You can store any type of data in Blockchain.

Answer 3

Blockchains share certain characteristics with a handful of distributed database and data store types, particularly immutability and granular record- or cell-level encryption.