We would like to inform you that the withdrawal of BTC, BCH, LTC, XRP, XLM is undergoing emergency system maintenance due to an unexpected issue on the digital asset custody side (Bitgo). We are working on it with the highest priority and will inform you immediately once we are back in service. You can also check the status of the maintenance here.
In the meantime, BTC, BCH, LTC, XRP, and XLM deposit, and trading are not affected.

Schedule
Issue    BTC, BCH, LTC, XRP, XLM Withdrawal Temporarily Out of Service
Date     19 April 2021
From    11:40 AM
To        Until further notice

We apologize for any inconvenience caused.