With today statistical analysis methods is trivial to track big flows through various block chains, even if some of them are totally hidden. And they only get b

With today statistical analysis methods is trivial to track big flows through various block chains, even if some of them are totally hidden. And they only get better by the day, with your traces sitting there like a duck. And you don't need to be 100% certain, it's enough to get a pool of suspects which then you can analyze/surveil with other methods.