KYC is evil and completely unnecessary.
It has no place in cryptocurrency and does nothing to protect the customer. It allows exchanges to selectively scam as they decide if a customer "passes" This is what Bittrex did to 1000s of customers. This is why KYC is often said to stand for "
Keep Your Coins"
Then there is the risk the exchange will be hacked and your identity stolen along with any funds kept there, allowing hackers to sell and use your identity in other online financial crimes.
If the exchange wants KYC find an alternative that does not: