i have changing my BTC to ether but trading is failed and give me message
Your pending transaction expired before we received your deposit. However - it looks like we dont have a valid return address for you. Please contact our support and reference the following id to receive your deposited coins back:
Hello Alma! Please don't panic! I think it good decision write to the support and I think they will help you and say what you need to do! Be careful and
good luck!