A blockchain is actually a database because it is a digital ledger that stores information in data structures called blocks However, while a blockchain is a database, a database is not a blockchain They are not interchangeable in a sense thatExecutive view A blockchain is a shared decentralized ledger, enabling business disintermediation and trustless interactions, thereby lowering transaction costs 2 The IT architect and data management view A blockchain is a shared appendonly distributed database with full replication and a cryptographic transaction permissioning model 3 · Blockchain data structure The blockchain data structure is an ordered, backlinked list of blocks of transactions The blockchain can be stored as a flat file, or in a simple database The Bitcoin Core client stores the blockchain metadata using Google's LevelDB database Blocks are linked "back," each referring to the previous block in the chain
Frontiers Value Creation From A Decentralized Car Ledger Blockchain
Blockchain database structure