dYdX v3, a decentralized exchange (DEX) on Ethereum, has shut down, leaving over $70 million of user funds stranded.The migration from Ethereum to the dYdX Chain resulted in inconvenience for users who hadn't withdrawn their funds earlier.Some users have successfully withdrawn funds, with over $30 million already returned.The dYdX Chain offers lower fees, faster processing speeds, and plans to enhance the trader experience.