You should be able to tell from the name, Escodex, that the DEX stands for decentralized exchange. The Escodex exchange is a decentralized exchange based in Estonia. The platform also promises to provide deep liquidity, which stems from the fact that it offers a large number of BTC trading pairings. On many exchanges, BTC trading pairs are among the most popular forms of trading pairs. Because there hasn't been any trading operations on this exchange, it's safe to assume that the exchange has a trade volume of $0. There is no clear explanation why this exchange is no longer operational, however I don't believe it can be hacked because decentralized exchanges also have decentralized servers, making them difficult to attack. Despite the fact that several reliable sources say that the exchange was shuttered owing to tight legal requirements,