The bet would be: what would be the last single digit number of bitcoin block number x? If it’s from 0 to 4, you win, if it’s from 5 to 9 I win.
Let’s go have some fun!
Shouldn’t this be in the games and rounds board? I don’t know if anyone would be interested (so far no one as showed interest) but still it would make more sense if you move the thread to games and rounds board because that’s there threads like this are posted - and over there you might get people who are interested in NFTs.