Re: What could really stop bitcoin now?

Why do you need fiat money to eat? Did people not eat before we had fiat money?

Because the restaurant will be heavily punished by the government otherwise.
See the war on gold/silver coins: http://abcnews.go.com/Business/gold-coin-dealers-decry-tax-law/story?id=11211611

Nothing stops the restaurant from bartering. Or accepting gold bullion. Or anything else. And besides, that doesn't answer my question.

Once the human beings used to live in the caves...