[Bitcoin-development] BIP for Proof of Payment

Tom Harding tomh at thinlink.com
Tue Jun 16 14:05:01 UTC 2015


On 6/16/2015 5:12 AM, Kalle Rosenbaum wrote:
> 2015-06-16 7:26 GMT+02:00 Tom Harding <tomh at thinlink.com>:
>> Kalle goes to some trouble to describe how merchants need to ensure that
>> they only accept a PoP provided as a response to their challenge.
>>
> Do you mean that it will be hard to explain to merchants that they
> must check the nonce in the PoP so that it matches the nonce in the
> pop request?

Sorry for the idiomatic language.  No, I just meant that you have
thought it out in detail!  You standardize a latent capability of the
cryptosystem.  It seems very powerful for some classes of users.






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