[JumpCrisscross]

> it would be good to have an optional KYC/AML attached to cryptocurrency transactions

This is already the case, minus the optional part [1]. Broadly, I'd guess anyone involved with an unregulated money transmission operation is one pissed-off D.A. away from serious jail time.

[1] http://www.coindesk.com/bitcoin-law-what-us-businesses-need-...

[wslh]

That article applies to US law.

[JumpCrisscross]

If you do anything with U.S. dollars, the United States claims jurisdiction.

[wslh]

You don't need to use dollars in exchanges.