The Financial Crimes Enforcement Network has warned bitcoin-related businesses that they must comply with federal money transmission laws.
Mailing bitcoin private keys on a coin-shaped metal disc could be considered money transmission in the US.
If coin validation is introduced, bitcoin's fungibility will be seriously compromised.
The Present and Future Impact of Virtual Currency hearing will take place today at the US Senate.
Crime is giving bitcoin a bad name. Could regulation help bitcoin fulfil its potential?
Don't bother running from regulation, said an agency director – because in the long term, there's nowhere to hide.
Participants will reveal differing opinions on anonymity and Silk Road at a key Senate bitcoin hearing on Monday.
We look at some of the more significant events in bitcoin's short but colorful legal history.
Jeremy Allaire tells us about Circle and what he plans to do with the bitcoin company's $9m investment.
Ken Abe reviews the regulation and compliance challenges faced by bitcoin exchanges in the US.