[Coinone] Announcement on Scheduled Addition of USDS to KRW Market (Re-trading Support)

Hello, this is Coinone.Coinone will be adding USDS to the KRW market on June 27, 2025, as outlined below.USDS Trading InformationDeposit/Withdrawal Schedule:- Deposit Open: Thursday, June 26, 2025, 17:00 (KST)Trading Schedule:- Sell Open: Friday, June 27, 2025, 12:00 (KST)- Buy Open: Friday, June 27, 2025, 12:05 (KST)- Market/Limit Order Open: June 27, 14:05 (KST)

• Reference Price: To be updated- Initial Withdrawal Fee: 1 USDS- Supported Network: Ethereum Network (ERC-20). Deposits via other networks are not supported.- Block Explorer: https://etherscan.io/address/0xdc035d45d973e3ec169d2276ddab16f1e407384f

USDS Asset InformationAsset Name: USDSAsset Introduction: USDS is a dollar-pegged stablecoin by Sky that inherits and upgrades the philosophy of DAI. Released as the successor asset to the original stablecoin DAI through MakerDAO's rebranding, it currently operates with a structure convertible 1:1 with DAI. DAI is issued using collateral such as ETH, USDC, and RWA (real-world assets), and USDS adopts an indirect collateral structure based on these assets. In the future, Sky's independent Vault system is planned to be expanded to support various assets as direct collateral, and USDS is designed to serve as a store of value, payment, and deposit utility.

Related Materials- Official Website- White Paper- Key Information Summary- Virtual Asset Description

Official Community- X (formerly Twitter)- GitHub- Forum

Reference Notes- The USDS re-trading supported by Coinone is a virtual asset rebranded from DAI in December 2024.- Coinone previously supported new DAI trading and later ended support. Please refer to the following for details.

1. Support for New Trading (Related Notice)- In March 2020, DAI was supported for trading on Coinone’s KRW market.2. Trading Support Termination (Related Notice)- In July 2020, DAI was moved to Coinone's "Easy Purchase Service", ending KRW market trading support. (The Easy Purchase Service ended in April 2022.)3. Token Swap (Related Notice)- In December 2024, with the rebranding of DAI, Coinone supported the token swap from DAI to USDS.4. Withdrawal Support- Since the termination of trading support in July 2020, withdrawals remain available.

Precautions- Additional announcements will be made prior to the start of support for virtual asset trading items and services. Please verify accordingly.- The start of trading support for virtual assets may be postponed or canceled due to reasons on the part of the issuer or Coinone's internal support criteria.- In accordance with the Act on the Protection of Virtual Asset Users, unfair trading practices (such as the use of undisclosed material information) are prohibited. Please cooperate to maintain a sound market order.- When trading support is launched, only limit sell orders are available during the first 5 minutes after sell opens.- If a deposit is made from a virtual asset service provider not included in the Travel Rule solution integration list, processing the return may take significant time.- Before making a deposit, always check whether the supported network and memo (secondary address information) are required to prevent mis-deposits.- In case of a mis-deposit, you can request a return from the Coinone Customer Center according to the mis-deposit return guide.- Coinone provides white papers, key information summaries, asset descriptions, and community links for supported assets, and regularly inspects and updates these.- Coinone does not make any investment recommendations related to virtual asset trading.- Virtual assets are high-risk products and may result in partial or total loss of investment.- Please consider the risk of principal loss due to price fluctuations when trading virtual assets.- For secure trading, you are advised to review the white paper and related terms in advance.- Coinone provides white papers, key information summaries, asset descriptions, and community links for supported virtual assets, and makes efforts to regularly inspect and update them.- COINONE Compliance Officer Review No. 2025-da-43 (2025. 6. 24. \~ 2026. 6. 23.)

Thank you.

Coinone Team

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