AML checking bitcoin for "purity" and "dirt": why it is necessary and what services to use

Checking bitcoin for purity is necessary in cases where coins are obtained from potentially dangerous sources. Crypto exchanges with KYC have the highest security – they are highly likely to withdraw pure cryptocurrency, but with exchangers and private transfers, as well as bitcoin mixers, everything is much more dangerous. Why check bitcoin for purity , bitcoins that were previously involved in any criminal schemes are called "Dirty": hacker attacks, trade in illegal goods or services, terrorist financing, money laundering. Many people still believe that Bitcoin, as originally stated, guarantees complete privacy and anonymity of users. Of course, wallets can be anonymous to one degree or another (they do not ask for registration or verification for use). But all transactions are documented on the public blockchain. Bitcoin is a completely transparent system, and technologies that track and analyze payments are developing rapidly. Therefore, if a dirty transaction is detec...