arthurb 2017-01-14 11:04:15
Say a site sells widgets. At the checkout, they would like to generate a unique payment address for the user. Of course, one option would be to generate the key server side, but for the sake of the exercise we want to minimize the back and forth between client and server. One option is for the client to derive a public key from a hdkey, send the payment and communicate the nonce to the server. Another, approach would be to generate
arthurb 2017-01-14 11:04:16
a P2SH that includes a dummy push_data with the nonce. Does any approach have a benefit over the other?
