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My question is: is it really already plausible with just 2048 words? Could an adversary not just brute-force all 2048 combinations and check if there are transactions on the blockchain behind these addresses? I think finding an address in this space could already make it unplausible - but I am not yet sure - hence I ask ;-) Still like the idea and think it is a very good decoy - but I am not yet sure if it counts as "plausible".


The passphrase is not limited to the 2048 words list, it could be anything, any string.

  • Thanks! This explains it - naming it the "25th" word lead to a wrong assumption on my side. – ligi Jun 18 '17 at 20:48

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