Improving transaction handling in shops: Is sending "prepared/approved/signed" transactions to a shop owner possible?
Improving transaction handling in shops: Is sending "prepared/approved/signed" transactions to a shop owner possible? I am quite new to the idea of bitcoin but I have understood one of the main problems: Sending money with Bitcoin takes approximately 10 minutes, by design. For use at the counter in a shop this is very much too slow, also the amount of transactions in 10 minutes (about 2000) is not suitable for planet-wide in-shop use. My idea. Would this be feasible? 1. Create a signed, pre-approved transaction So, as the customer at the counter, what if I could prepare a transaction of the required amount, from my wallet-app on the phone, somehow approve it/sign it/authenticate it, but not send it to the bitcoin network yet. 2. Hand out the transaction Instead, I send the transaction to the shop owner, via bluetooth, QR-Code, NFC whatever. The shop owner takes this transaction, validates it against the current amount on the contained address/es. The idea is that t...