Imagine a game where ten players sit around a table. Each starts with 100,000 gold coins. In the middle of the table is a token making machine — capable of producing red, blue and green tokens. Players can pour gold into the machine to create coloured tokens. They can trade these tokens with each other. They can lock tokens away in a private vault. And at any point, they can return equal amounts of all three colours back into the machine for return of their gold. The goal? Accumulate as many ...