First, individual gamblers are not the target of any sort of federal online gambling regulation. The regulations on online gambling revolve around the acceptin

First, individual gamblers are not the target of any sort of federal online gambling regulation. The regulations on online gambling revolve around the accepting and disbursing of funds by online gambling sites. Bitcoins do, and don't address this issue. It does address the issue in so far as it makes transactions between parties opaque, but it also doesn't address the issue if an FBI agent can just sign up for an account and demonstrate the system working for transferring BTC.