2-Yes, our liquidity provider does KYC if we get very dirty money. So it's better to contact online chat so that we can tell you before the exchange will be blocked or not. This is free!
Is it possible to specify which liquidity provider is in question?
Some of the most frequently used ones are not the most desirable to use, such as FF, Changelly, Whitebit, and Changenow. They often do not even have sufficient KYC for refunds.