> So you could pay in coins, in sheep, in yarn, with your time or in whatever. That is not important, it is still an exchange and equivalent to trading. But ho

> So you could pay in coins, in sheep, in yarn, with your time or in whatever. That is not important, it is still an exchange and equivalent to trading. But how do coins, sheep, yarn, or whatever, originally come to be? If nothing is free, there must be an infinite chain of trade, leading back to an infinite past. But cosmology and evolution suggest otherwise.