Re: [Bitcoin-development] An idea for alternative payment scheme

2014-01-03 Thread Tier Nolan
The random number that the buyer uses could be generated from a root key too. This would allow them to regenerate all random numbers that they used and recreate their receipts. The master root would have to be stored on your computer though. The payment protocol is supposed to do something like

Re: [Bitcoin-development] An idea for alternative payment scheme

2014-01-03 Thread Gregory Maxwell
On Fri, Jan 3, 2014 at 10:00 AM, Nadav Ivgi na...@shesek.info wrote: I had an idea for a payment scheme that uses key derivation, but instead of the payee deriving the addresses, the payer would do it. It would work like that: The payee publishes his master public key The payer generates a

Re: [Bitcoin-development] An idea for alternative payment scheme

2014-01-03 Thread Adam Back
Seems like you (Nadav) are the third person to reinvent this idea so far :) I wrote up some of the post-Bytecoin variants here: https://bitcointalk.org/index.php?topic=317835.msg4103530#msg4103530 The general limitation so far is its not SPV compatible, so the recipient has to test each payment

Re: [Bitcoin-development] An idea for alternative payment scheme

2014-01-03 Thread Peter Todd
On Fri, Jan 03, 2014 at 09:23:20PM +0100, Adam Back wrote: Seems like you (Nadav) are the third person to reinvent this idea so far :) Lol, fourth if you include me, although my case is rather embarassing as I had re-read Bytecoin's original post recently and completely missed the main point of