All the more reason to only use the most common words that meet the other criteria: https://github.com/bitcoin/bips/blob/master/bip-0039.mediawiki#Wordlist I agree - keeping "satoshi" in there is an unnecessary security risk. Kind Regards, Jonathan Sterling On Thu, Jan 18, 2018 at 8:14 AM, CryptAxe via bitcoin-dev < bitcoin-dev@lists.linuxfoundation.org> wrote: > Why wouldn't they just test the frequency of words from the wordlist in > entirety? > > On Jan 17, 2018 5:10 PM, "Weiwu Zhang via bitcoin-dev" linuxfoundation.org> wrote: > >> 2018-01-09 19:20 GMT+08:00 Ronald van der Meer via bitcoin-dev >> : >> > After reviewing some bitcoin improvement proposals, I noticed that one >> of the words that can be found on the BIP39 English wordlist is “satoshi”. >> > I suggest removing this word from the list so it’s less obvious that >> it’s a bitcoin seed when found by a malicious third party. >> >> If a malicious third party discovers a word list that look like a >> seed, they would try using it as Bitcoin seed first anyway, with or >> without finding the word 'satoshi' in it. The security threat is that >> a malicious third party may index what they found and test every >> occurrence of 'satoshi' for a lead to a seed. >> >> For example, a hard-disk recycling service would add this word to >> their salvage tools. Any successfully hacked gmail account will be >> 'satoshi' tested too. >> >> So I see this as a reasonable improvement:) >> _______________________________________________ >> bitcoin-dev mailing list >> bitcoin-dev@lists.linuxfoundation.org >> https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev >> > > _______________________________________________ > bitcoin-dev mailing list > bitcoin-dev@lists.linuxfoundation.org > https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev > > -- Kind Regards, Jonathan Sterling +44 (0)7415 512691