Last week, I read an article in the Wall Street Journal about authorities targeting Russian criminal gangs using cryptocurrencies to move cash. It got me thinking about how the digital money world has become a battleground for law enforcement fighting financial crimes. This effort is all part of something called Crypto AML (Anti-Money Laundering) — a system designed to keep the crypto space safe and clean.What is AML?Imagine a school playground with strict rules to keep everyone playing fair....