rhavar / bustapay Goto Github PK

So there is two thing that bother me with the general approach:

Using a hotwallet is not very safe, also, allowing payjoin also mean that a customer can enumerate the utxos of the merchant. So payjoin has a form of disutility to it.

As such, I think it should be a different payment method on which the merchant can charge an extra network cost for this disutility. But with the current UX, this is an impossible thing to do.

One way would be to modify BIP79 to allow the merchant to set up extra fee.