What is Chainlink used for?
Chainlink enables smart contracts on any blockchain to leverage extensive offchain resources, such as tamper-proof price data, verifiable randomness, automation functions, external APIs, and much more.Chainlink is designed to provide high security and reliability for smart contracts. The decentralized oracle network aims to prevent data manipulation or manipulation by any single entity, ensuring the integrity of the information fed into smart contractsChainlink was created in 2017 by Sergey Nazarov and Steve Ellis, who co-authored a white paper introducing the Chainlink protocol and network with Cornell University professor Ari Juels the same year.