What is Chainlink?
Chainlink’s goal is to attach material life info with smart contracts system. It’s an oracle service which is working on a blockchain. As blockchains can’t gather materials from the out-of-network sources, Oracles are working as info serves in smart contracts. Chainlink users are rewarded for performing smart contracts with connection to out-of-network info like area, climate, etc. Chainlink’s circulation supply in March 2019 equalled 350 million LINK and market capitalization reached $168 million.