Why is it dangerous to use usual mixer services?

Usual mixers to use for withdraw the money is really extremely dangerous. Typically, a usual mixer mix "someone else's dirt" with your coins. After that, it turns out that the user hoped to clear his Bitcoin but in a result he gets someone else's coins of dubious origin.

For withdrow to real use the methods (exchange from cryptocurrency exchanges, from miners), where your coins will be replaced by a completely new and clean coins (necessarily white), unrelated to your past coins. This will ensure the highest level of your safety. And together with the smart mixing it will give a synergy effect.