“The blockchain provides us with an amazing opportunity to track the flow of money”, an agency head said in an AMA session on Reddit. The US Secret Service is a federal law enforcement agency primarily charged with protecting US political leaders, but it’s also tasked with safeguarding the financial system and fighting financial crime. The hosts also advised on how to keep transactions hidden from the authorities. The only viable way of securing secrecy in financial settlements turns out to be cash, they say.