Post
Topic
Board Project Development
Re: PaperCoins
by
cbeast
on 30/01/2012, 03:48:51 UTC
or just have a keyring or card with a qr where the merchant could return the change

https://bitcointalk.org/index.php?topic=57303.0

Or to any other bill the customer holds.
Ok, so you could put the next public address in a series on the bill given for purchase.