Also appeared as UMA & Across
UMA is an Optimistic Oracle for Web3 that can verify any statement proposed on the blockchain. Using economic incentives, the OO tells smart contracts “things about the world” so contracts and markets asking for that data can be settled.
Share of UMA's winners using it, against all entries at the same hackathons.
Tracks offered at more than one hackathon.
zBay revolutionizes online marketplaces by decentralizing eBay, empowering merchants and buyers. It enables seamless data and reputation import from eBay, secure escrow, XMTP chat, and transparent dispute resolution using the Uma optimistic oracle
Instant, tradeable, automated catastrophe bonds to help protect the world from natural disasters
Chaser leverages Graph protocol subgraphs and the UMA optimistic oracle to facilitate advanced investment strategies with historical DeFi data
If your flight is cancelled, we pay you immediately. Papantla: Insurance without intermediaries...On-chain insurance claim settlement for flights, using oracles for API communication and storing information in smart contract and Polybase database.
Solving the address mapping problem in a backwards-compatible way.
A novel approach to P2P funding for de-centralized science using ERC-6551.
Send money on Ethereum Mainnet with transfers costing from zero to 4 cents
Onboarding the next billion users onto blockchain across mobile, Discord, Slack, and Telegram!
Enable encryption and decryption of data based on a custom combination of cross chain and natural language statements.
Dark Optimistic Oracle akin to UMA, but with secret voting for extra protection against corruption
Attestation of AI query and answer is important. Use cases range from financial accountability, medical record keeping and many other. Uses on-chain optimistic oracles to attest the authenticity of results. It works even when non-deterministic AI models are used.
Building Zero Knowledge based Metamask for personal browsing history
