Oracle

Oracles are data feeds that connect Ethereum to off-chain, real-world information so that you can query data in your smart contracts. https://ethereum.org/en/developers/docs/oracles/

aka "the oracle problem" because it's not easy

• https://medium.com/@DelphiSystems/the-oracle-problem-856ccbdbd14f
• Garbage In, Garbage Out

primarily vendor of a Relational Data Base. Trying to enter other markets.

founded/run by Larry Ellison