MEXC.

Deposited a small amount of BTC, account instantly frozen.

"Your account has been involved in high risk activities. In order to comply with applicable laws and our anti-money laundering obligations, your account will be restricted until further notice."

They won't let me withdraw my coins. Who knows what "until further notice" means, as far as I can tell, I got robbed.

I deposited some coins that are linked to eXch (I didn't even use it myself, it's like 2 people back) to an exchange and my account was frozen as a result. What can be done to lower the risk score of coins from eXch? My coins are not from illegal activity and I don't want to do anything illegal.