HTX to Support the ZKsync(ZK), Stellar(XLM) Network Upgrades

Dear HTX Users,

HTX will support the ZKsync(ZK), Stellar(XLM) Network Upgrades with the following plan:

HTX will suspend the deposit and withdrawal services for ZK at 06:30:00 (UTC) on October 20, 2025;

HTX will suspend the deposit and withdrawal services for XLM at 15:00:00 (UTC) on October 22, 2025;

You may deposit ZK, XLM in advance. We will handle all technical requirements involved for all users.

Please note:

● The ZKsync(ZK) Network Upgrade will take place at 08:30:00 (UTC) on October 20, 2025;The Stellar(XLM) Network Upgrade will take place at 17:00:00 (UTC) on October 22, 2025;

● The trading of ZK, XLM will not be affected during the network upgrades.

● The network upgrades will not result in creation of new tokens.

● HTX will resume deposits and withdrawals for ZK, XLM once we deem the upgraded network to be stable, which will not be further announced.

For more information, please refer to:

https://forum.zknation.io/t/zip-12-v29-interop-messaging/745

https://stellar.org/blog/developers/addressing-state-archival-inconsistencies-protocol-upgrade-vote-next-week

HTX

October 17, 2025

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HTX reserves the right in its sole discretion to amend or change or cancel this announcement at any time and for any reasons without prior notice. The above is for information purposes only and HTX makes no recommendations or guarantees in respect of any virtual asset, product, or promotion on HTX. Prices of virtual assets are highly volatile and trading virtual assets involves risk. Please read our Risk Reminder text here.