Public Blockchains Can Alter the Blockchain Ledger By

question 136

Multiple Choice

Public blockchains can alter the blockchain ledger by:

• A) Creating a hard fork of the blockchain data, tooling and/or software
• B) Achieving community consensus via a Smart Contract to update the ledger
• C) Re-hashing the blocks from the total block height down to the genesis block
• D) Blockchain ledgers are immutable and can never be altered

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