I don't know. You got fake ice cream. How 'bout fake money?

我不知道啊，既然是假雪糕。能不能投假钱？

You could have fake money, money that isn't real.

你可能有假钱，不是真的钱。

To " counterfeit" currency means to make fake money or false money.

“伪造”货币的意思是制造假币或假币。