From: Jonathan Sterling <jon@thancodes.com>
To: CryptAxe <cryptaxe@gmail.com>,
Bitcoin Protocol Discussion
<bitcoin-dev@lists.linuxfoundation.org>
Subject: Re: [bitcoin-dev] Suggestion to remove word from BIP39 English wordlist
Date: Thu, 18 Jan 2018 13:55:28 +0700 [thread overview]
Message-ID: <CAH01uEu5gu_4z-6r3MbqsjboHuZ87yOxAZq6QxtA-3iUZvoXZw@mail.gmail.com> (raw)
In-Reply-To: <CAF5CFkgO4SEBxTH93-L_d=JBgAmDNFTJa-LrnyjcvY-Esop9EA@mail.gmail.com>
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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" <bitcoin-dev@lists.
> linuxfoundation.org> wrote:
>
>> 2018-01-09 19:20 GMT+08:00 Ronald van der Meer via bitcoin-dev
>> <bitcoin-dev@lists.linuxfoundation.org>:
>> > 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
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next prev parent reply other threads:[~2018-01-18 6:55 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-09 11:20 [bitcoin-dev] Suggestion to remove word from BIP39 English wordlist Ronald van der Meer
2018-01-18 1:07 ` Weiwu Zhang
2018-01-18 1:14 ` CryptAxe
2018-01-18 6:55 ` Jonathan Sterling [this message]
2018-01-18 19:50 ` Alan Evans
2018-01-18 20:49 Matthew Clancy
2018-01-18 21:29 ` Alan Evans
2018-01-23 19:40 ` Ronald van der Meer
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