Dear HTX Users,

HTX will support the FLOW(Flow), CSPR(Casper) and SEI(Sei Network) Network Upgrades with the following plan:

HTX will suspend the deposit and withdrawal services for FLOW at 13:00:00 (UTC) on May 18, 2026;

HTX will suspend the deposit and withdrawal services for CSPR at 12:30:00 (UTC) on May 19, 2026;

HTX will suspend the deposit and withdrawal services for SEI at 14:00:00 (UTC) on May 19, 2026;

You may deposit FLOW, CSPR and SEI in advance. We will handle all technical requirements involved for all users.

 

Please note:

● The FLOW(Flow) Network Upgrade will take place approximately at 15:00:00 (UTC) on May 18, 2026; The CSPR(Casper) Network Upgrade will take place at block height of Era 22426 (approximately at 14:46:00 (UTC) on May 19, 2026); The SEI(Sei Network) Network Upgrade will take place at block height of 208377745 (approximately at 16:00:00 (UTC) on May 19, 2026);

● The trading of FLOW, CSPR and SEI 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 FLOW, CSPR and SEI once we deem the upgraded network to be stable, which will not be further announced.

 

For more information, please refer to:

https://forum.flow.com/c/announcements/19/l/latest

https://github.com/casper-network/casper-node/wiki/Staging-for-MainNet-2.2.1-Upgrade

https://github.com/sei-protocol/sei-chain/releases/tag/v6.5.0

 

HTX

May 18, 2026

 

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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.