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by nshepperd
4483 days ago
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It's trivial to use a "large" subset of the keyspace if you have any clue whatsoever about information theory. Just pull ten words uniformly at random from a list of the 4096 most common, hash them, and you've got yourself a 120 bit key right there. (Or even hash them another 128 times to give yourself an effective 7 bits of extra security.) However, obviously idiots who will pick a 2 word passphrase should not be encouraged to use a brainwallet. |
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I think that describes about 0.1% of the population, maybe 10% of whom are interested in using a brain wallet.
Brain wallets will appeal far more to the other 99.9% of people, who will of course use crappy pass-phrases.