I lost my private key of my etherdelta account.. there are valuable coins in my account.. 
can you help me, how to open my account?
if you know please reply
or
send me an email (samarahewanandasiri@gmail.com)
There is absolutely no way out. It is best to kiss the account goodbye. Learn from this and back up your keys properly in your subsequent or future accounts. That is how decentralized exchanges work. can you help me, how to open my account?
if you know please reply
or
send me an email (samarahewanandasiri@gmail.com)