Powell: Highly likely digital currency activities outside of regulation will come under it

There will have to be new rules, laws and frameworks to deal with digital currency
Existing regulations were not built with digital currencies in mind
We don't know how some digital products will behave in times of market stressSays Fed examining the costs and benefits of a digital currency
There's nothing new in these comments but they're another sign that it's more of a matter if 'when' than 'if' for a digital dollar.