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| author | Thomas Voegtlin <thomasv@electrum.org> | 2017-09-05 18:33:00 +0200 |
|---|---|---|
| committer | bitcoindev <bitcoindev@gnusha.org> | 2017-09-05 16:33:04 +0000 |
| commit | e362d89bb3a20d8e91b9761fee1127839835a53d (patch) | |
| tree | 3b0dd67bcdae7880fae627e33779e05fb0d788cf | |
| parent | 2071fb54560f3e694517bf8ad9b8ec797472a417 (diff) | |
| download | pi-bitcoindev-e362d89bb3a20d8e91b9761fee1127839835a53d.tar.gz pi-bitcoindev-e362d89bb3a20d8e91b9761fee1127839835a53d.zip | |
Re: [bitcoin-dev] BIP49 Derivation scheme changes
| -rw-r--r-- | 3f/cc9c2358751bef7a0b905a2c71b915e8cb9792 | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/3f/cc9c2358751bef7a0b905a2c71b915e8cb9792 b/3f/cc9c2358751bef7a0b905a2c71b915e8cb9792 new file mode 100644 index 000000000..ea2d847cc --- /dev/null +++ b/3f/cc9c2358751bef7a0b905a2c71b915e8cb9792 @@ -0,0 +1,78 @@ +Return-Path: <thomasv@electrum.org> +Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org + [172.17.192.35]) + by mail.linuxfoundation.org (Postfix) with ESMTPS id 3D9FD899 + for <bitcoin-dev@lists.linuxfoundation.org>; + Tue, 5 Sep 2017 16:33:04 +0000 (UTC) +X-Greylist: delayed 06:07:43 by SQLgrey-1.7.6 +Received: from relay2-d.mail.gandi.net (relay2-d.mail.gandi.net + [217.70.183.194]) + by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 95DC51F0 + for <bitcoin-dev@lists.linuxfoundation.org>; + Tue, 5 Sep 2017 16:33:03 +0000 (UTC) +X-Originating-IP: 178.19.221.38 +Received: from [10.10.42.98] (unknown [178.19.221.38]) + (Authenticated sender: thomasv@electrum.org) + by relay2-d.mail.gandi.net (Postfix) with ESMTPSA id EDBB3C5A6A + for <bitcoin-dev@lists.linuxfoundation.org>; + Tue, 5 Sep 2017 18:33:01 +0200 (CEST) +To: bitcoin-dev@lists.linuxfoundation.org +References: <CABuOfuiz9U=ZPWRUfVXHgBekZ74B4zkUikg6Svxbr6jrJA5Vyw@mail.gmail.com> +From: Thomas Voegtlin <thomasv@electrum.org> +Message-ID: <28d57503-c2b3-7736-bfea-46506636d999@electrum.org> +Date: Tue, 5 Sep 2017 18:33:00 +0200 +User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 + Thunderbird/52.2.1 +MIME-Version: 1.0 +In-Reply-To: <CABuOfuiz9U=ZPWRUfVXHgBekZ74B4zkUikg6Svxbr6jrJA5Vyw@mail.gmail.com> +Content-Type: text/plain; charset=utf-8 +Content-Language: en-US +Content-Transfer-Encoding: 7bit +X-Spam-Status: No, score=-0.7 required=5.0 tests=RCVD_IN_DNSWL_LOW + autolearn=disabled version=3.3.1 +X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on + smtp1.linux-foundation.org +Subject: Re: [bitcoin-dev] BIP49 Derivation scheme changes +X-BeenThere: bitcoin-dev@lists.linuxfoundation.org +X-Mailman-Version: 2.1.12 +Precedence: list +List-Id: Bitcoin Protocol Discussion <bitcoin-dev.lists.linuxfoundation.org> +List-Unsubscribe: <https://lists.linuxfoundation.org/mailman/options/bitcoin-dev>, + <mailto:bitcoin-dev-request@lists.linuxfoundation.org?subject=unsubscribe> +List-Archive: <http://lists.linuxfoundation.org/pipermail/bitcoin-dev/> +List-Post: <mailto:bitcoin-dev@lists.linuxfoundation.org> +List-Help: <mailto:bitcoin-dev-request@lists.linuxfoundation.org?subject=help> +List-Subscribe: <https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev>, + <mailto:bitcoin-dev-request@lists.linuxfoundation.org?subject=subscribe> +X-List-Received-Date: Tue, 05 Sep 2017 16:33:04 -0000 + + + +On 05.09.2017 09:10, shiva sitamraju via bitcoin-dev wrote: +> Hi, +> +> Thanks Thomas. The procedure described in +> http://docs.electrum.org/en/latest/seedphrase.html is really what I was +> looking for ! I really don't see any point of following BIP49, If possible +> it would be great if you can propose an alternative to BIP49 that follows +> similar structure to what is used in electrum. +> +> I have proposed following changes to BIP32 serialization format +> https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki#serialization-format +> to differentiate segwit xpub/xprv. Below the list of new version bytes, +> resulting base58 prefix and network type: +> +> 0x042393df , sxpr , segwit mainnet private key +> 0x04239377 , sxpb , segwit mainnet public key +> 0x04222463 , stpb , segwit testnet public key +> 0x042224cc , stpr , segwit testnet private key +> + +I have proposed a similar idea, with letters z,y,z combined with pub/prv +(see the electrum documentation page) + +The point is that we need 3 types of keys, not 2, because there are two +types of segwit output scripts: native and nested in p2sh. + +We could use t,u,v for testnet. + |