You're confusing pyramid schemes with ponzi schemes. A ponzi pays people from others' inputs, with a fee taken out by the ponzi runner. In this case, you make m

You're confusing pyramid schemes with ponzi schemes. A ponzi pays people from others' inputs, with a fee taken out by the ponzi runner. In this case, you make money selling a cryptotoken by some other sucker buying in, minus a fee taken by the miners.