Chainlink
LINK Everything
DataLink is an institutional-grade data publishing service that enables data providers to commercialize specialized market data onchain through Chainlink's decentralized oracle infrastructure. Providers integrate via existing REST or WebSocket APIs, with Chainlink nodes reaching consensus before delivering signed reports through pull-based or push-based feeds. DataLink supports equities, FX rates, bonds, commodities, credit ratings, derivatives, and other institutional datasets across public and private blockchains.