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From: Andy Parkins <andyparkins@gmail.com>
To: Pieter Wuille <pieter.wuille@gmail.com>
Date: Wed, 1 Feb 2012 10:25:19 +0000
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Cc: bitcoin-development@lists.sourceforge.net
Subject: Re: [Bitcoin-development] BIP16/17 replacement
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On 2012 February 01 Wednesday, Pieter Wuille wrote:

> > old clients won't they?  They don't pass IsStandard().
>=20
> IsStandard() is for accepting transactions into the memory pool.
> Non-standard transactions are verified just fine when they are in the blo=
ck
> chain.

Ah.  My misunderstanding then.
=20
> If we do a breaking change to the protocol - such as adding a new
> transaction type - ALL users must upgrade. Those who don't will see a fork
> of the chain from before the first new-style transaction. That is not the
> case now.

That makes a big difference.  Thanks for the correction.


Andy


=2D-=20
Dr Andy Parkins
andyparkins@gmail.com

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