ORACLE
An Oracle helps communicate data using smart contracts connecting the real world and blockchain. The oracle finds and verifies events and gives this information to the smart contracts on the blockchain.
Ontology Teams Up with Chainlink to Solve the Oracle Problem by Creating Externally Connected Smart Contracts
In an effort to foster the Ontology network, the platform has announced its decision to collaborate with Chainlink to build data-driven smart contracts with end-to-end security and reliability, which is centered on solving what they identified as the oracle problem.