One question that always comes up for me with DHT backed systems is resistance to DOS attacks. Making any P2P system resistant to DOS/DDOS is brutally difficult

One question that always comes up for me with DHT backed systems is resistance to DOS attacks. Making any P2P system resistant to DOS/DDOS is brutally difficult, but DHTs have always seemed especially vulnerable to a sophisticated attacker. A hybrid sybil/DDOS attack seems like it could down the network easily. The Internet is a dark forest. Anything that gets popular will be attacked. The fact that it does not have a single owner may reduce the chances of ransom as a motive, but it doesn't reduce the chances of all attacker profiles including just "griefing."