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1  Bitcoin / Development & Technical Discussion / Potential attack by solo mining a long chain? on: March 13, 2014, 02:31:19 PM
Apologies if this has already been brought up, or is otherwise a stupid question.

Could a rogue miner decide to branch off of the blockchain from a very early block (when the difficulty was very low - and keep it low), and solo mine a chain of huge length which would exceed the current chain's length and thus become the longest?
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