OKX will not require KYC up to certain amount of money that you want to withdraw. My complain was that they asked me for my phone number and verify the phone number through text message received with the phone number from OKX before I was able to withdraw my $40. I was disappointed to see that, but some people will not consider that as KYC because sim card can be gotten in some countries without registration and some people can use fake identity to register the sim.