Do your coins originate from some illegal activities maybe or can you think of a reason why they would ask who you are? Or maybe it's a significant sum which triggered their alarms.
Since they are in control of your crypto, you don't have any other choice than to do what they say and provide the documents they want.
Assume I have every right to know why my account is frozen and what is the reason for money holding. I keep asking them this question every time and there is no reply. I've no idea how the BTC been originated and where they comes from, same as I have no idea who previously owned the banknotes in my packet. The purchase (P2P) confirmation had been sent to them at the begging. Its a bid over 7K usd
Thanks