On 2012 February 01 Wednesday, Pieter Wuille wrote:

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

Ah.  My misunderstanding then.
 
> 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


-- 
Dr Andy Parkins
andyparkins@gmail.com