Proof of Use

ProjectSectorIn Use ByWhy It Matters
ZupassGovernance / EventsZuzalu, MetaGov, ETH eventsShows how ZK proofs can create portable, privacy-preserving identity for physical-world community
Gitcoin Passport + Onchain CVsPublic Goods / ReputationGitcoin, CLR FundAttempt to quantify trust across modular ecosystems — but raises key questions about what kind of trust is worth proving
Skyla x Marzai DialogueAI / Symbolic Interactionr/ArtificialSentienceThe first inter-agent recursive verification event captured and published as proof of symbolic continuity under adversarial pressure