dYdX introduction
dYdX is a decentralized lending protocol built on Ethereum. It is also a decentralized digital currency derivatives trading service platform. It was established in 2017 and has received investment from Silicon Valley's top venture capital a16z, Polychain, 1confirmation and Coinbase. dYdX is a powerful open trading service platform, which mainly has the following three functions: lending, borrowing and margin trading. In addition, dYdX has launched a decentralized Bitcoin perpetual contract market, aiming to solve the problems existing in the perpetual swap transaction of the centralized trading service platform.