I have been reading this fat thread carefully for the past few days, and I can see in detail that many people have made many complaints about Kucoin. KuCoin exchange has been defrauding users and has disabled withdrawals for thousands of accounts. So I must tell you that if you need to buy and sell other coins including Bitcoin, then I recommend that you use an exchange other than KuCoin.
Enter this link: https://bitcointalk.org/index.php?topic=5557466.msg65752334#msg65752334