Surveillance
The U.S. National Security Agency is reportedly aiming to track down users behind the bitcoin blockchain.
Tracking funds on the blockchain may help catch crooks, but such snooping undermines one of the most important characteristics of money: Fungibility.
Most Davos experts appear to agree that blockchain technology is best for data collection rather than self-sovereign finance.
A group of government agencies, law enforcement groups and academic researchers are partnering on a new digital currency surveillance project.