3. Hosting websites with DDNS (though the abuse from that caused Mullvad and IVPN to drop port forwarding) 4. Though it hurts anonymity, and is relatively rare

3. Hosting websites with DDNS (though the abuse from that caused Mullvad and IVPN to drop port forwarding) 4. Though it hurts anonymity, and is relatively rare: I2P or Hyphanet, because some websites block known P2P nodes[1]. Important if your bank or work is being a jerk about it. 5. As ThatMedicIsASpy notes, ISP issues: some routers soil the bed from P2P, some ISP's throttle P2P traffic regardless of legality, etc. [1] https://old.reddit.com/r/i2p/comments/tc3bhs/is_anybody_else_blocked_from_wikipediawikimedia/ https://old.reddit.com/r/i2p/comments/tc3bhs/is_anybody_else...