ChainLink is the most popular decentralised oracle service in the world, used by many of the most used Dapps and websites in crypto. Already, the decentralised [cryptocurrencies](/trade/cryptocurrencies/) that use LINK as payment to access data from ChainLink's oracles include, Aave, Bancor, Synthetix, PancakeSwap, Synthetix, ENS, Celsius, Arbol, and many more.