tldr; Banking regulations are complex, and (for very good reasons) slow to adopt innovation. Bitcoin doesn't fit in yet, and someone is annoyed. (And honestly,

tldr; Banking regulations are complex, and (for very good reasons) slow to adopt innovation. Bitcoin doesn't fit in yet, and someone is annoyed. (And honestly, considering that Bitcoin transactions approximate anonymous cash transactions, companies with bitcoin assets will scare the hell out of the US banking regulators and make it difficult to do wire fraud detection and proper auditing)