ChainLink is a decentralized oracle (software built on top of a blockchain), which provides external data to Ethereum smart contracts. ChainLink is an open source project, started at September 2017 by a company SmartContract. This company was already creating secure oracles for Bitcoin and Ethereum for over 3 years, but in 2017 decided to move towards their own middleware ChainLink. At the moment ChainLink is maintained by 3 developers.
The main purpose for creating ChainLink was to provideShow more [+]