Good idea, but it would be even better to collect a lightning fee. Bitcoin is crystallised pow and in this case the node would earn Smth instead of just burning the pow
Tor Launches Proof-of-Work Defense for Onion Services
"We are officially introducing a proof-of-work (PoW) defense for onion services designed to prioritize verified network traffic as a deterrent against denial of service (DoS) attacks with the release of Tor 0.4.8."
https://www.nobsbitcoin.com/tor-launched-proof-of-work-defense-for-onion-services/
Discussion
Mass adoption for privacy frens