Carnegie Mellon has worked on this https://www.theverge.com/2015/11/11/9719098/fbi-reportedly-paid-1-million-carnegie-mellon-tor https://www.theverge.com/2015/1

Carnegie Mellon has worked on this https://www.theverge.com/2015/11/11/9719098/fbi-reportedly-paid-1-million-carnegie-mellon-tor https://www.theverge.com/2015/11/11/9719098/fbi-reportedly-p...