Traders could do nothing but wait on Tuesday when dYdX went down along with Binance.US and Coinbase due to an AWS problem.An Amazon Web Service (AWS) outage on Tuesday forced the decentralized exchange dYdX (DYDX) to halt operations, raising questions over the reliance on centralized services by DeFi protocols. AWS is one of the most widely used cloud services in the world and a considerable number of decentralized infrastructure use it. AWS offers servers, storage, networking, remote computi...