From: Pavol Rusnak <stick@satoshilabs•com>
To: Bitcoin Protocol Discussion
<bitcoin-dev@lists•linuxfoundation.org>,
Bram Cohen <bram@chia•net>
Subject: Re: [bitcoin-dev] No Order Mnemonic
Date: Thu, 7 Jul 2022 19:52:18 +0200 [thread overview]
Message-ID: <CAF90AvmOSa+V7+z16MXyJRCVh_iEceFp_CkbC_4jWixi4W5BbQ@mail.gmail.com> (raw)
In-Reply-To: <CAHUJnBAL-qPoGZ8XZS3jZiPaqMOt4Kg2ioM_jfCF3fDB3-ej9A@mail.gmail.com>
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There is. Just encode the index of permutation used to scramble the
otherwise sorted list. For 12 words you need to store 12! = ~32 bits so 3
words should be enough.
Repetitions make this more difficult, though.
On Thu 7. 7. 2022 at 19:41, Bram Cohen via bitcoin-dev <
bitcoin-dev@lists•linuxfoundation.org> wrote:
> On Thu, Jul 7, 2022 at 7:43 AM Anton Shevchenko via bitcoin-dev <
> bitcoin-dev@lists•linuxfoundation.org> wrote:
>
>> I made a python implementation for a different mnemonic encoding. The
>> encoding requires user to remember words but not the order of those words.
>> The code is open (MIT license) at https://github.com/sancoder/noomnem
>
>
> Thanks Anton. There's an interesting mathematical question of whether it's
> possible to make a code like this which always uses the BIP-39 words for
> the same key as part of its encoding, basically adding a few words as error
> correction in case the order is lost or confused. If the BIP-39 contains a
> duplicate you can add an extra word.
> _______________________________________________
> bitcoin-dev mailing list
> bitcoin-dev@lists•linuxfoundation.org
> https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev
>
--
Best Regards / S pozdravom,
Pavol "stick" Rusnak
Co-Founder, SatoshiLabs
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next prev parent reply other threads:[~2022-07-07 17:52 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-07 14:33 Anton Shevchenko
2022-07-07 17:36 ` Bram Cohen
2022-07-07 17:52 ` Pavol Rusnak [this message]
2022-07-07 17:58 ` Anton Shevchenko
2022-07-08 1:47 ` Bram Cohen
2022-07-08 2:19 ` Eric Voskuil
2022-07-08 4:35 ` vjudeu
2022-07-08 9:12 ` Paul Sztorc
2022-07-08 14:08 ` James MacWhyte
2022-07-09 20:31 ` Zac Greenwood
2022-07-09 22:21 ` James MacWhyte
2022-07-09 23:46 ` Anton Shevchenko
2022-07-11 13:11 ` Erik Aronesty
2022-07-11 13:18 ` Erik Aronesty
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