The difference is that for the git chains it is not possible for anyone to indep... | Hacker News

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fabianfabian on April 25, 2015 | parent | context | favorite | on: Is Git a Block Chain?

The difference is that for the git chains it is not possible for anyone to independently verify what the true chain is. You can rewrite history and it will be just as correct as the first one.

PoW (Proof of Work) makes it impossible to just "replay all the subsequent transactions that happened", because your fake chain will have significantly less proof of work.

krakensden on April 25, 2015 [–]

Only if they're getting the chain for the first time. Git becomes... fairly wrothful if someone rewrites the history on a remote branch.

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