Unfortunately, Qbittorrent’s I2P support is still experimental. Assuming your seedbox provider can let you run BiglyBT or any other client that can cross-seed, all you have to do is add I2P trackers to your torrent file. You can also upload your torrent files to Postman on I2P for them to be registered.
The point is that logs are generated and then deleted but companies who do not wish to keep such logs (e.g. IP address of client who connects to the VPN). I2P sure to it’s design, doesn’t even generate such incriminating logs (it might generate other kinds of logs which is a different discussion).
Thanks