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Table 1 Properties of blockchain

From: Blockchain for decentralization of internet: prospects, trends, and challenges

Properties Public blockchain Consortium blockchain Private blockchain
Determination of consensus All miners Selected nodes An organization
Read permission Public Public or private Public or private
Immutability Close to full immutability Can be tampered Can be tampered
Efficiency Low High High
Decentralization Yes Partial centralization No
Consensus process Permissionless Permissioned Permissioned
Examples Bitcoin (BTC), Ethereum (ETH) Bankchain, R3 Hyperledgers, PBFT, Quorum