I would pay him for the coffee with a piece of paper imprinted with Abraham Lincoln's portrait and 5,000 sats by printing cashu on cardboard stock.

You hold the green paper, and everything stays the same. You wake up in the morning and work your ass off and that piece of paper will never buy you a cup of coffee again.

You take the piece of paper with an orange QR code and I'll show you just how deep the rabbit hole goes.