Blockchain oracle

wikipedia:Blockchain oracle (Trends) is a third-party service that provides smart contracts with information from the outside world

• Chainlink (2017), DECO oracle protocol
• Google Cloud Oracle
• Band Protocol
• Decentralized Information Asset (DIA)
• Universal Market Access (UMA)
• XYO Network
• Tellor
• DOS Network
• Nest Protocol
• iExec RLC

• https://101blockchains.com/top-blockchain-oracles/

Related

• LayerZero
• Cross-chain by Chainlink (CCIP)

See also

• Blockchain oracle, Chainlink (DECO), SupraOracle