XMR is scheduled to undergo a mainnet upgrade at block 1978433 at estimate date November 30, 2019(GMT+8).
In anticipation of this upgrade, Huobi Global will temporarily suspend the deposit and withdrawal of XMR at 18:00 on November 28, 2019 (GMT+8). Deposit and withdrawal services will be resumed as soon as the XMR mainnet becomes secure and stable. The resumption time will be notified via another announcement. Thank you for your patience.
Post-upgrade, XMR deposit and withdrawal address format will undergo a change. The old deposit and withdrawal address format, as well as address memo tag will no longer be used. For more details, please refer to Long Payment ID Deprecation.
English official Telegram group: https://t.me/huobiglobalofficial
November 27, 2019