Decentralized vs. Distributed Database Systems – Blockchain and Bitcoin Databases
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- Decentralized vs. Distributed Database Systems – Blockchain and Bitcoin Databases
Decentralized – The nodes do not need to trust each other (or even know about each other)
Distributed – The nodes all trust each other – in a master-slave or a peer-to-peer relationship.
What database does Bitcoin Core use?
The bitcoin network itself does not use a database engine. Bitcoin Core uses LevelDB to index the blockchain and store the chain state data (UTXO set, current best block, etc.). It uses BerkeleyDB for the wallet.
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