According to XZC official news, XZC (Zcoin) will carry out a hard fork at 20:00 on December 10, 2018(GNT+8), which will mainly upgrade the Proof-of-Work algorithm , and no new coins will be generated.
To ensure security of users' balances, Huobi Global will will suspend deposit and withdrawal of XZC at 20:00 on on December 9, 2018(GNT+8). After the XZC hard fork is stable, we will resume the deposit and withdrawal for the first time. The specific time will be notified via announcement. Sorry for any inconvenience caused by this.
XZC official announcement:https://zcoin.io/mtp-hard-fork-what-you-need-to-know/
December 7th, 2018