For governments to consider bitcoin a legal currency, they’d need to be able to implement appropriate anti-money laundering (AML) and know-your-customer (KYC) laws to protect citizens.
what government wants to lose control over currencies used within its borders?
Both South Korea and Japan, for example, are crypto-friendly countries, but they’re also cracking down on anonymous cryptos. Both governments cite money laundering and speculation-driven market price fluctuations as driving factors behind the decision