It is good that you are interested in this information, even though you are new to this subject. First of all, it is important to choose a reliable Bitcoin mixer that has a good reputation and provides security and confidentiality of transactions. Some popular options include BitMix, Blender, and CryptoMixer, but I would recommend another bitcoin blender. Be sure to research and read reviews before making your choice. It is also recommended to divide transactions into smaller amounts and send them to different addresses for increased privacy.
