Bitkub Exchange Supports Digital Asset and Token Address Changes of USDT for Deposit and Withdrawal via Optimism Network to USDT0: Terminate Deposit and Withdrawal of USDT on Optimism Network on 15/10/2026 from 11:00 PM (GMT+7) Onwards . Following the operations plan issued by the token issuer and to ensure the best interests of our customers, Bitkub Exchange will support the digital asset and token address changes of Tether (USDT) on the Optimism network to USDT0 after the temporary system maintenance of the deposit and will permanently terminate deposit and withdrawal services for USDT on the Optimism network, as detailed below. . In the meantime, you can trade the USDT token as usual. . General information about USDT0 The USDT0 token is a new standard for USDT that utilizes LayerZero’s OFT (Omnichain Fungible Token) technology, enabling faster, more secure, and highly convenient token transfers specifically for transactions on the Optimism network. However, please note that all transactions on Bitkub Exchange will continue to operate under the USDT name as usual. (For more information about USDT0, please click here: . Change Details - Digital Asset - New: USDT0 on the Optimism network (On Bitkub Exchange, it will continue to operate under the USDT name as usual) - Old: USDT on the Optimism network - Token Address - New Token Address: (USDT0 on the Optimism network) 0x01bFF41798a0BcF287b996046Ca68b395DbC1071 - Old Token Address: (USDT on the Optimism network) 0x94b008aA00579c1307B0EF2c499aD98a8ce58e58 . Schedule Issue: Termination of Deposit and Withdrawal of USDT on Optimism Network to Support Digital Asset and Token Address Changes to USDT0 Date: 15 October 2026 Time: 11:00 AM (GMT+7) onwards . For more information, please click here: . Attention: - Transferring USDT to the old token address after the specified date may result in asset loss. Please check carefully before proceeding. Bitkub Exchange reserves the right not to recover the tokens in such cases. - The Company will announce the activation schedule for USDT0 deposit and withdrawal on the Optimism network further on our official communication channels. Please follow us closely for more updates. . Thank you for your continued support.