Smart contracts, which are a must in the world of crypto-currency, are not without problems. ChainLink is the solution to one of them: the oracle.

Smart contracts, which are a must in the world of crypto-currency, are not without problems. ChainLink is the solution to one of them: the oracle.
Discover how to use the Uniswap platform, the exchange at the heart of decentralized finance (DeFi), allowing ERC-20 token swap.