Snowden Leak Suggests NSA Is Extensively Tracking Bitcoin Users :The U.S. National Security Agency (NSA) has been reportedly monitoring the bitcoin blockchain with an eye on identifying users on the distributed network.
Link for details news:https://www.coindesk.com/nsa-reportedly-eyes-to-scrap-bitcoins-anonymity/
our privileged being here is our privacy,though anonymity is not indeed in every transaction we made..if this action is doing by the NSA to prevent the illegal usage of bitcoin and same as the linking to the terrorist i guess i had no opposition but they must sure that the not affected individual will remain their life privacy and the profiteering..because we know how massive is the issue of our community here has been used by illegal activities