From: Allen Piscitello <allen.piscitello@gmail•com>
To: Pieter Wuille <pieter.wuille@gmail•com>
Cc: Bitcoin Dev <bitcoin-development@lists•sourceforge.net>
Subject: Re: [Bitcoin-development] New BIP32 structure
Date: Thu, 27 Mar 2014 12:49:44 -0500 [thread overview]
Message-ID: <CAJfRnm7Leu7+e6XPm7RRa8SBZXZGycaRbEktVTE2FkGrPjq4vg@mail.gmail.com> (raw)
In-Reply-To: <CAPg+sBhbx5vy_hewAkFPaiXHzSMNH0qLhEYGjPmQMjR5StP-tw@mail.gmail.com>
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The benefit I see is avoiding reuse of keys between coins while not having
each wallet implementation have to know about each coin in order to scan
for transactions. Wallet X supports Doge and Bitcoin. If both used a
shared sequence of keys, say the first two end up Bitcoin, then 10 Doge,
then some more Bitcoin. If you took this seed to Wallet Y, which only
supports Bitcoin (either the wallet's support or what is installed on the
system it's being used), it will see a gap of 10 addresses, and presume no
more scanning with a 5 gap limit. The alternative is to reuse keys for
each coin.
It also seems like a solution might be to only expect interoperability on a
single sequence, and provide backups of each final sequence to use between
different wallet implementations. This allows flexibility in hierarchies
depending on needs and support of wallet, but allows sharing. The short
seed would only be useful for the same wallet, but sharing between wallets
would use the longer keys. That will give predictable behavior for users
(although less friendly) and lead to less errors.
-Allen
On Thu, Mar 27, 2014 at 11:28 AM, Pieter Wuille <pieter.wuille@gmail•com>wrote:
> On Thu, Mar 27, 2014 at 5:21 PM, Pavol Rusnak <stick@gk2•sk> wrote:
> > Cointype in path is for separation purposes, not for identification.
>
> I don't understand what that gains you.
>
> --
> Pieter
>
>
> ------------------------------------------------------------------------------
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> Bitcoin-development mailing list
> Bitcoin-development@lists•sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/bitcoin-development
>
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next prev parent reply other threads:[~2014-03-27 17:49 UTC|newest]
Thread overview: 100+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-26 20:49 Mike Hearn
2014-03-26 23:37 ` Andreas Schildbach
2014-03-27 1:01 ` Alan Reiner
2014-03-27 6:15 ` Mike Belshe
2014-03-27 10:57 ` Thomas Voegtlin
2014-03-27 11:39 ` Mike Hearn
2014-03-27 13:30 ` Thomas Voegtlin
2014-03-27 13:38 ` Mike Hearn
2014-03-27 1:13 ` Allen Piscitello
2014-03-27 5:34 ` Troy Benjegerdes
2014-03-27 7:09 ` Tamas Blummer
2014-03-27 9:42 ` Mike Hearn
2014-03-27 11:35 ` Pavol Rusnak
2014-03-27 15:43 ` Jeff Garzik
2014-03-27 15:57 ` Allen Piscitello
2014-03-27 16:06 ` Pavol Rusnak
2014-03-27 16:13 ` Allen Piscitello
2014-03-27 16:07 ` Tamas Blummer
2014-03-27 16:14 ` Pieter Wuille
2014-03-27 16:21 ` Pavol Rusnak
2014-03-27 16:28 ` Pieter Wuille
2014-03-27 17:49 ` Allen Piscitello [this message]
2014-03-28 14:59 ` slush
2014-04-08 12:43 ` slush
2014-04-08 13:18 ` Pieter Wuille
2014-04-08 13:40 ` slush
2014-04-08 13:43 ` slush
2014-04-08 13:53 ` Pieter Wuille
2014-04-08 13:59 ` Thomas Voegtlin
2014-04-08 14:00 ` Tamas Blummer
2014-04-08 14:35 ` Pavol Rusnak
2014-04-08 15:41 ` slush
2014-04-23 17:42 ` Pieter Wuille
2014-04-23 18:01 ` slush
2014-04-23 18:18 ` slush
2014-04-23 18:39 ` Tier Nolan
2014-04-23 18:46 ` Pavol Rusnak
2014-04-23 19:00 ` Tier Nolan
2014-04-23 19:06 ` slush
2014-04-23 19:36 ` Tamas Blummer
2014-04-23 19:46 ` slush
2014-04-23 19:07 ` Tamas Blummer
2014-04-23 19:29 ` Pavol Rusnak
2014-04-23 19:44 ` Luke-Jr
2014-04-23 19:49 ` Pavol Rusnak
2014-04-23 19:55 ` Luke-Jr
2014-04-23 19:57 ` slush
2014-04-23 20:01 ` Luke-Jr
2014-04-23 20:04 ` Pavol Rusnak
2014-04-23 20:09 ` Luke-Jr
2014-04-23 20:16 ` Pavol Rusnak
2014-04-23 20:32 ` Luke-Jr
2014-04-23 20:35 ` Pavol Rusnak
2014-04-23 20:41 ` Luke-Jr
2014-04-23 20:43 ` Pavol Rusnak
2014-04-23 20:54 ` Pieter Wuille
2014-04-23 21:06 ` Pavol Rusnak
2014-04-23 21:18 ` Luke-Jr
2014-04-23 21:22 ` Gregory Maxwell
2014-04-23 21:33 ` Pavol Rusnak
2014-04-23 21:42 ` Pieter Wuille
2014-04-23 21:44 ` Pavol Rusnak
2014-04-23 21:48 ` Gregory Maxwell
2014-04-23 21:53 ` Luke-Jr
2014-04-23 21:24 ` Pavol Rusnak
2014-04-23 21:07 ` slush
2014-04-23 20:59 ` Luke-Jr
2014-04-23 20:17 ` Tamas Blummer
2014-04-23 20:12 ` Pieter Wuille
2014-04-23 20:08 ` Pieter Wuille
2014-04-23 20:01 ` Tamas Blummer
2014-04-23 20:02 ` Luke-Jr
2014-04-23 20:04 ` Tamas Blummer
2014-04-24 6:54 ` Thomas Voegtlin
2014-04-24 7:10 ` Pieter Wuille
2014-04-24 7:21 ` Gregory Maxwell
2014-04-24 8:15 ` Thomas Voegtlin
2014-04-24 7:42 ` Thomas Voegtlin
2014-04-24 8:09 ` Mike Hearn
2014-04-23 18:48 ` Tamas Blummer
2014-04-08 14:49 ` Andreas Schildbach
2014-04-08 15:46 ` slush
2014-04-08 15:58 ` Andreas Schildbach
2014-04-08 16:24 ` slush
2014-03-27 11:20 ` Thomas Voegtlin
[not found] ` <CAJna-HhmFya+3W67qQt0wMhW=B4vJvwdkr-5WnU+KEaKq7uaUA@mail.gmail.com>
2014-03-27 12:06 ` Thomas Voegtlin
2014-03-27 12:28 ` Mike Hearn
2014-03-27 12:49 ` Mike Hearn
2014-03-27 13:12 ` Thomas Kerin
2014-03-27 13:19 ` Mike Hearn
2014-03-27 13:49 ` Thomas Voegtlin
2014-03-27 13:58 ` Jim
2014-03-27 14:20 ` Mike Hearn
2014-03-27 15:17 ` Troy Benjegerdes
2014-03-27 13:07 ` Matias Alejo Garcia
2014-03-27 13:44 ` Pavol Rusnak
2014-03-27 13:53 ` Thomas Voegtlin
2014-03-27 14:03 ` Pavol Rusnak
[not found] ` <CAJna-HitjJbL9TnfxTY=+TvfaeNvZM6aPWmNYmHUCwmw6V8PUg@mail.gmail.com>
2014-03-27 15:04 ` Thomas Voegtlin
2014-03-27 11:36 ` Pavol Rusnak
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