[bayesianhorse]

Easy, maybe. Cheap, no. The costs associated with the currency risks are huge, and you ignore them at your own peril.

[kybernetikos]

If you buy and hold certainly. While bitcoin is pretty volatile, you can turn dollars into bitcoins and then transfer them or transfer them and turn them into dollars quickly enough that the risk is pretty small.

Sure, holding bitcoins is a risky proposition - like holding gold, or anything else of similar volatility.