Carving into stone, also used for attempted permanent storage, is pretty expensive. “A simple granite lawn cemetery headstone might cost around £700.” A few sats isn’t too bad.
Carving into stone, also used for attempted permanent storage, is pretty expensive. “A simple granite lawn cemetery headstone might cost around £700.” A few sats isn’t too bad.
You can play chess. It’s fairly slow though, since chess takes a lot of moves, so you end up waiting until the other person is online many times. A fast game like blackjack might work.