Blockchain oracle

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

• Google trends

• Chainlink (2017), DECO
• Band Protocol
• Decentralized Information Asset (DIA)
• Universal Market Access (UMA)

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

See also

• Chainlink, LINK token, Chainlink Labs, DECO, Chainlink Price Feeds, Chainlink Keepers, Cross-chain by Chainlink (CCIP), SmartCon conferences, Blockchain oracle
• Blockchain, Blockchain explorer, Layer 1 Blockchains, Layer 2 Blockchains, Blockchain oracle, Smart contract, Chainlink, DeFi, EOS.IO, Amazon Managed Blockchain (AMB), Inter-Blockchain Communication (IBC), MEV, Block, Block receipts, Block headers, Slot, Block construction, Ledger, Zeeve.io, Plasma chain