API3
Decentralized Oracles
Create trustless applications that interact with Web APIs
UMA
Optimistic Oracle allows contracts to quickly request and receive data information
What is UMA
UMA’s Optimistic Oracle allows contracts to quickly request and receive data information. The oracle proposes prices and these prices are sent to their Data Verification Mechanism only if disputed. Developers can use their contracts to obtain price information for any length of time without the price needing to be written on chain.
UMA Alternatives
Explore competitors and apps like UMA.
Band Protocol
Decentralized Oracles
Aggregates and connects real-world data and APIs to smart contracts
Chronicle Protocol
Decentralized Oracles
Builds scalable, cost-efficient, decentralized oracles to overcome on-chain data limitations
DIA
Decentralized Oracles
Multi-chain, end-to-end, open-source data and oracle platform for Web3
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Hyper Oracle
Decentralized Oracles
Programmable zkOracle protocol
Muon Network
Decentralized Oracles
Chain-independent, stateless DON enabling dApps to decentralize their off-chain components
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