of Etherdelta https://etherdelta.com has
been HACKED on December 20, 2017
You can check if your funds were stolen. Enter ETH address or tx ID at https://etherscan.io
If you lost money during the Etherdelta Hack it will be marked as Fake_Phishing
Technical Hint: The platform uses ETH smart contracts which are very slow.
NEO is a better option.