Banks are not considered as MSBs?
Speaking generally, both banks (a kind of depository institution) and money transmitters (a kind of MSB) must register with FinCEN and obey AML regulations.
A company must register in every state for which it provides MSB services under that state's law.
Why do I read everywhere that MtGox just needs to register with FinCEN and they will be fine? Why don't they need a money transmitter state license?