Once qbittorrent has stable I2P support, then blocking sites like megaup and 1fichier will be completely useless. People will just download I2P and qbittorent, find a tracker on the darknet, and start downloading.
Wouldn’t surprise me if we were to see the rise of emule,DC++, and similar stuff over I2P.
It is nearly that easy. You follow the instructions given https://geti2p.net/en/download/debian and have I2P running.
The steps are:
sudo dpkg-reconfigure i2p