[nullbyte]

You can't regulate cyptocurrencies. That's the beauty of the whole thing.

[pmlnr]

Hell you can. For example, you can make exchanges illegal. Done.

[fasquoika]

The government has literally regulated cryptography before https://en.wikipedia.org/wiki/Crypto_Wars

[occamrazor]

But you can regulate how banks can invest their money.

[jstanley]

Regulations like that are just driving commerce away from the traditional system and into cryptocurrencies.

The further the regulators try to reach, the further their opponents move away. That's a game the regulators won't win. It ends with complete anonymity for everybody.