What type of database is blockchain?

A blockchain is kind of a database because it is a digital ledger that stores information in data structures called blocks. On the other hand, a traditional database is a data structure used for storing information.31 Ağu 2021

We propose a blockchain enabled relational storage system that supports immutable transactions and temporal snapshots. By embedding blockchains in relational tables, the database stores trust related information in a tamper proof fashion, making the data provenance provably verifiable.

The bitcoin blockchain is a distributed database that contains a continuously-growing and tamper-evident list of all Bitcoin transactions and records since the date of its initial release in January of 2009.