A parallel can be done with #Idena which aims to solve the sybil problem for anon online identities. Initially, the system was purely based on “proof-of-human-work” but this mechanism could be abused by sybil farms hiring low-wage workers to complete anti-sybil tasks. Ultimately they added a staking component which made the equation economically none viable for those actors. Since there is no more sybil actors left on the network. So yes, I think a mix of WoT/PoW/PoS can work to keep the network open while detecting bad actors. However, the tradeoff is added complexity creating a steep adoption curve.
#nostr