HTX to Support the Zilliqa(ZIL), Hive (HIVE) and Optimism(OP) Chain Network Upgrades

Dear HTX Users, HTX will support the Zilliqa(ZIL), Hive (HIVE) and Optimism(OP) Network Upgrades with the following plan: HTX will suspend the deposit and withdrawal services for ZIL at 05:30:00 (UTC) on November 17, 2025; HTX will suspend the deposit and withdrawal services for HIVE at 11:00:00 (UTC) on November 19, 2025; HTX will suspend the deposit and withdrawal services for Optimism(OP) Chainat 14:00:00(UTC) on November 25, 2025; You may deposit ZIL, HIVE and Optimism(OP) Chainin advance. We will handle all technical requirements involved for all users. Please note: ● The Zilliqa(ZIL) Network Upgrade will take place at block height of 13514400 (approximately at 07:18:28 (UTC) on November 17, 2025;The Hive (HIVE) Network Upgrade will take place at 13:00:00 (UTC) on November 19, 2025;The Optimism(OP) Chain Network Upgrade will take place at 16:00:01 (UTC) on November 25, 2025; ● The trading of ZIL, HIVE and Optimism(OP) Chain 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 ZIL, HIVE and Optimism(OP) Chain once we deem the upgraded network to be stable, which will not be further announced. For more information, please refer to: https://github.com/Zilliqa/zq2/releases/tag/v0.19.0 https://github.com/openhive-network/hive/releases/tag/1.28.0 https://github.com/ethereum-optimism/optimism/releases/tag/op-node/v1.16.0 HTX November 3, 2025(HTX)