We can compare the designed goals among USD, BTC and ETH from the angle of inflation, AML and privacy
USD: anti-inflation (middle), AML (good), privacy (middle)
BTC: anti-inflation (good), AML (bad), privacy (good)
ETH: anti-inflation (middle), AML (bad), privacy (good)
From this comparison, the most variety between fiats and Blockchain is AML, so here also means a big business opportunity for improving the AML of blockchain, and this business model should be based on the technology direction of AI, blockchain and decentralization(fediverse)
Money laundering is the process of concealing the origin of money, obtained from illicit activities such as drug trafficking, corruption, embezzlement or gambling, by converting it into a legitimate source. It is a crime in many jurisdictions with varying definitions. It is usually a key operation of organized crime.