Americans are spoiled—at least where Bitcoin's concerned. While people are free to mine, spend, and speculate on Bitcoin freely in the States, citizens of other countries aren't so lucky.
Kashmir Hill just published a very helpful guide to Bitcoin's legality around the world. It runs the gamut of no regulations whatsoever in South Korea to an intimidating maze of rules in China. The British banking system seems happy to snub the fledgling currency by ignoring it and Denmark hates the little cryptocurrency that could. [Forbes]