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To: =?UTF-8?Q?Jorge_Tim=c3=b3n?= <jtimon@jtimon.cc>,
Bitcoin Protocol Discussion <bitcoin-dev@lists.linuxfoundation.org>,
Thomas Kerin <me@thomaskerin.io>
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From: Eric Voskuil <eric@voskuil.org>
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Date: Wed, 16 Nov 2016 16:00:33 -0800
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Subject: Re: [bitcoin-dev] [BIP Proposal] Buried Deployments
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On 11/16/2016 03:58 PM, Jorge Tim=C3=B3n via bitcoin-dev wrote:
> On Wed, Nov 16, 2016 at 3:18 PM, Thomas Kerin via bitcoin-dev
> <bitcoin-dev@lists.linuxfoundation.org> wrote:
>> BIP30 actually was given similar treatment after a reasonable amount o=
f time
>> had passed.
>> https://github.com/bitcoin/bitcoin/blob/master/src/main.cpp#L2392
>=20
> This is not really the same. BIP30 is not validated after BIP34 is
> active because blocks complying with BIP34 will always necessarily
> comply with BIP30 (ie coinbases cannot be duplicated after they
> include the block height).
This is a misinterpretation of BIP30. Duplicate transaction hashes can
and will happen and are perfectly valid in Bitcoin. BIP34 does not
prevent this.
e
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