FSB had 2 hacking entities operating out of Prague until 2018.

[FakeNoose]

16. The only proof is that his cellphone went to Prague

Remember all those burner phones that the feds confiscated when they raided Cohen's apartment and office? Maybe Cohen was holding one or more phones for Donny Jr. or another person. (?)

It sort of looks like Cohen has owned up to everything by now. If he'd gone to Prague in 2016 he would have told Mueller, because Mueller would find out anyway. The Russian hackers needed to be paid in cash or something untraceable like bitcoins, so I'd bet it was Junior who did it.