I'd say it depends on required speed and use cases. See libp2p's ifaces for swarm, routing, etc. Heck, you could use Tor, make onion services for your peers, an

I'd say it depends on required speed and use cases. See libp2p's ifaces for swarm, routing, etc. Heck, you could use Tor, make onion services for your peers, and add the names to Bittorrent's mainline DHT for discovery (of course Tor is slower...a price you pay for anonymity)