Contrary to popular belief, the technology of the blockchain does not allow for anonymous users, but just the opposite, it leaves the transaction in plain sight. To track the movement of the same bitcoin is not all that difficult and it does not have to resort to spy techniques. It is logical that in such conditions in the world had their own methods of concealment and “laundering cryptocurrency”.
The easiest and conditionally available to anyone method is the use of “mixers” or “toggle” in slang. They are usually in the form of a interface on the website on the darknet, although in fact it is not a mechanism, and the chain of actions. Bitcoins are transferred on a dedicated wallet, where a special algorithm splits them into fragments and distributes several other wallets, using masking through the system Tor. The size of the fragments, the interval between the sending address – all is determined by chance, once in history, so keep track of where you scattered the crumbs of bitcoins is extremely difficult.
These fragments, fractional parts of bitcoins are transferred via a few purses and eventually meet again on the resulting account. The amount of bitcoin there will be exactly the same as originally, minus the fee for the service, but to trace all the chain of transactions is almost impossible. Those who do not want so blindly entrust their bitcoin “laundries”, it is recommended just to have multiple accounts on any of the big exchanges for the exchange of virtual money. Further, selling himself the same bitcoins to be converted into additional “coin” and back, you can try to confuse the trail.
Alas, it all depends on how well respected the unspoken rules of “Know your customer” and “Counteraction to washing of means” administration of a particular service. And Interpol data suggests that 97 % of all laundered cryptocurrency immediately transferred to the darknet to pay for clearly criminal services for which it is washed. Nobody will give any guarantee that the selected site will not be a trick, and the information will not be resold – the mafia or the police in any official reward. In 2016 the Dutch police in this way has uncovered a major international network “Laundry”, arresting in addition to crypto-currencies many luxury cars, Bank accounts and luxury items.