Re: [Bitcoin-development] Bill Request Message - (another) Proposed BIP 70 extension

2014-06-25 Thread Mike Hearn
Alright. I still tend to think it's not a big deal, but there's no reason both or all mechanisms can't co-exist. BTW: a QR code next to a cash register can be fixed i.e. printed on paper when using BIP70. The PoS would upload payment details to the server and the URL for that particular PoS unit w

Re: [Bitcoin-development] Bill Request Message - (another) Proposed BIP 70 extension

2014-06-25 Thread Mike Hearn
I'm not convinced this inversion is really a problem, but as this is quite a complex proposal (e.g. new barcode types) the best way to move it forward at this stage is to implement it in some existing wallets. FWIW NFC is a lot more common than you might think. For the drive-thru case you could al

[Bitcoin-development] Bill Request Message - (another) Proposed BIP 70 extension

2014-06-24 Thread Paul Goldstein
Here's an idea for a BIP 70 extension to let wallets be scanned by merchant bar code readers to start off a payment request flow instead of the other way around (wallet scanning the merchant QR). Useful for brick and mortar merchants and mobile wallet apps. Motivation: A mechanism is needed for m