Bitcoin is pseudo-anonymous, so it's not ideal to hide "black" money in a technology that can be traced back to the person hiding that money. There are other Alt coins with full anonymity more suited for that purpose. Even if you use mixer services with Bitcoin, the authorities can still subpoena these services to release the data, and then you will have to give a explanation for that money. ^hmmmm^
Absolutely agree, bitcoin is not like monero or zcach.
In general, it is not easy to track a banking transaction either (it is not worth believing in movies and serials).
As for Bitcoin, it is not anonymous, but rather pseudo-anonymous.
Why so? In contrast to bank accounts and most other payment systems, Bitcoin addresses are not tied to the users identity at the protocol level. Any person at any time can create a new, completely random Bitcoin address (and a personal key associated with it) without having to provide their personal data.
Transactions are also not tied to the users identity. Therefore, any user can successfully transfer bitcoins from any address from which he has a personal key to any other address. No one needs to disclose any personal information.
And thirdly: Bitcoin transaction data is transmitted and forwarded by nodes to a random set of peer-to-peer nodes.
However to find out the data is not so difficult, remember pseudo-anonymous.
1. First of all, although Bitcoin transactions are transmitted through randomly selected peer-to-peer nodes, this system is not impeccable. If, for example, a criminal has the opportunity to connect several nodes to the Bitcoin network, then the aggregate of the data collected by them can be sufficient to determine the origin of the transaction.
2. Secondly, the Bitcoin address can be mapped to a person's real identity if his identity is used in some way with the Bitcoin address. For ex on crypto exchange, wallets, online shops etc.
3.But most importantly, all transactions on the Bitcoin network are completely transparent and can be tracked by anyone. It is full transparency that makes it possible to group several Bitcoin addresses and bind them to one user.
So yes, on the on hand fraudulent schemes and laundering are possible, but on another hand, it slightly can be found.