Chainlink Expands to Bitcoin, Helping Original Blockchain With Its Layer-2 Shift Chainlink's service is an integral part of most major blockchains but has not featured on Bitcoin until now. https://image.nostr.build/0615b99acf4d74340917d3a46421c364a18fb512a844e5933a08fb12f8e05608.jpg *Chainlink co-founder Sergey Nazarov. (Chainlink)*