I've used it once, but I'm not particularly interested in the subject

These types of transactions can be done using cryptocurrencies such as Bitcoin, which offer a high degree of privacy and anonymity. One of the benefits of anonymous transactions is that they can provide a level of privacy and security that traditional financial systems do not offer. However, anonymous transactions can also be used for illicit activities such as money laundering or financing of terrorism, which has raised concerns among regulators and governments. Overall, anonymous transactions can be a double-edged sword, and their use depends on the context and the intentions of the parties involved. Be careful

I can tell you that bitcoin mixers work by mixing your coins with other people's coins, making it more difficult to trace your transactions. Keep in mind that using bitcoin mixers could potentially violate anti-money laundering laws and regulations, and some mixers may even be scams. It's important to do your own research and weigh the potential risks before using a bitcoin mixer or engaging in any other activities related to cryptocurrencies.