They haven't refunded your funds yet? It's surprising that you went to exchange such a large amount of funds at once. In fact, these types of exchanges take advantage of the situation, if you want to exchange a large amount of funds, it is certain that they will force you to do KYC. Have you exchanged large amounts of funds on Changenow.io before? Or is this the first time you want to exchange such a large amount of funds?

Well, I'll contact them about this and see if they have any kind of response. In fact, if they have any more detailed information, they should definitely share it.