dYdX is a decentralized exchange platform that offers perpetual trading options. It has over 35 popular cryptocurrencies including Bitcoin (BTC), Ether (ETH), Dogecoin (DOGE), and Cardano (ADA). At the moment, it is more an app-based platform running on iOS than an online live trading site like Bitcoin or Ethereum.
The protocol was founded in July 2017 with the launch of the Layer 1 product (Solo) which supported lending, borrowing, and margin trading on Ethereum.
dYdX exchange is already a major player in the crypto industry. With 64,000 unique traders, 11 billion dollars in total volume across perpetual and margins, and 250 billion dollars in flash transactions, dYdX boasts the biggest liquidity pools.