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Even if it were computationally cheap to do so (despite a very long blockchain and new blocks arriving), it is a peer-driven system. So if you alter your blockc
by xxbondsxx 10y ago
Even if it were computationally cheap to do so (despite a very long blockchain and new blocks arriving), it is a peer-driven system. So if you alter your blockchain, it will differ from the majority consensus from the rest of the crowd and your version of the truth will be rejected.