a public leaderboard of X accounts, ranked by exactly one thing: how much you have paid to be on it. pay more than the account above you and you take its spot. everyone sees the board. everyone sees when they get passed.
pot
$0.00
on the board
0
#1 costs
$1.00
last refreshed 0s ago
the board is empty
nobody has paid yet, which means #1 costs exactly $1.00 and the whole thing is yours until somebody notices.