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Date: Sat, 6 Jun 2015 19:00:39 +0200
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From: Kalle Rosenbaum <kalle@rosenbaum.se>
To: Tom Harding <tomh@thinlink.com>
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Cc: Bitcoin Dev <bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] BIP for Proof of Payment
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2015-06-06 18:10 GMT+02:00 Tom Harding <tomh@thinlink.com>:
> On Jun 6, 2015 8:05 AM, "Kalle Rosenbaum" <kalle@rosenbaum.se> wrote:
>
>> I'm open to changes here.
>
> I suggest:
>
> - Don't include any real outputs.   They are redundant because the txid is
> already referenced.

with the nLocktime solution, the copied outputs are not needed.

>
> - Start the proof script, which should be invalid, with a magic constant and
> include space for future expansion.  This makes PoP's easy to identify and
> extend.

I did remore the constant (a "PoP" literal ascii encoded string)
because it didn't add much. The recipient will expect a pop, so it
will simply treat it as one. I did add a 2 byte version field to make
it extendable.

>
> - "Proof of Potential"

Noted :-)

Thank you
/Kalle