Some news about on on the NSA tracking BTC users, according to Edward Snowden papers
National Security Agency keeping tabs on bitcoin users globally
- Report from March 2013
- cataloging and cross-referencing of data that ultimately helped them to "track down the senders and receivers of bitcoins"
- NSA called its bitcoin spying project Oakstar
- Initial focus of the mission was counterterrorism-focused
- NSA appear to have been monitoring groups that were using the level of anonymity allowed by bitcoin transactions for clandestine purposes, such as money laundering activities