kaal:claim:3782198-029

A blockchain is immutable because any attempt to edit an old block changes the hash of that information and is immediately rejected by the network that follows the protocol.

The blockchain is immutable, because any attempt to edit the old blocks will be immediately rejected by the network. A single number or letter changed anywhere in its entire history will result in a different hash of the information.

Craig Calcaterra, Wulf A. Kaal, Contemporary Decentralization (2021), New tools: blockchain protocols, p. 29
https://ssrn.com/abstract=3782198 · source PDF

Craig Calcaterra, Wulf A. Kaal, Contemporary Decentralization (2021). SSRN: https://ssrn.com/abstract=3782198

• holds as long as the network keeps following the blockchain protocol

mechanismsupport: arguedblockchainconsensus-and-security

• restates kaal:claim:3071378-005 Because each new block's hash value is generated from all previous transactions, the smallest change to the bl...

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