[Coinone] Portal to Bitcoin (PTB) KRW Market Addition Notice (9/10 12:00)

Hello. This is Coinone.

On Wednesday, September 10, 2025, we will add Portal to Bitcoin (PTB) to the KRW market as follows.

Portal to Bitcoin (PTB) Trading Information

Deposit/Withdrawal Schedule:

• Deposit open: Tuesday, September 9, 2025 17:00 (KST)

• Withdrawal open: Wednesday, September 10, 2025 12:05 (KST)

Trading Schedule:

• Sell open: Wednesday, September 10, 2025 12:00 (KST)

• Buy open: Wednesday, September 10, 2025 12:05 (KST)

• Market/limit open: Wednesday, September 10, 2025 14:05 (KST)

• Reference price: To be updated

• Initial withdrawal fee: To be updated

• Supported network: Ethereum Network (ERC-20) Deposits via other networks are not supported.

• Block explorer: https://etherscan.io/token/0x30a25cc9c9eade4d4d9e9349be6e68c3411367d3

Portal to Bitcoin (PTB) Token Information

Token name: Portal to Bitcoin

Token description: Portal to Bitcoin aims to build cross-chain decentralized exchange (DEX) infrastructure based on the intent to expand Bitcoin beyond merely a custody asset into a gateway that connects to other blockchains, enabling the exchange of assets across various blockchains without bridges or wrapping. PTB is Portal to Bitcoin's utility token and is used for staking, validator staking and rewards, light node rewards, liquidity provision incentives, and so on.

Related materials

• Official website

• Whitepaper

• Key information summary

• Virtual asset description

Official community

• X (formerly Twitter)

• Discord

• Telegram

• Medium

Notes

• Information to be updated regarding supported virtual asset tokens and trading support services will be updated before trading support begins, so please check.

• Scheduled trading support for virtual assets may be delayed or canceled depending on circumstances of the token issuer or Coinone's trading support criteria.

• Under the Act on the Protection of Users of Virtual Assets, unfair trading (use of undisclosed material information, etc.) is prohibited, so we ask users to cooperate to maintain sound market order for virtual asset trading.

• When a new virtual asset is supported, only limit sell orders are allowed for the first 5 minutes from the sell opening time.

• If a deposit is made from a virtual asset service provider not included in the travel rule solution integration list, it may take a long time until the funds are returned.

• Before depositing virtual assets, be sure to check the supported network and whether a memo or secondary address is required to avoid mistaken deposits.

• In case of mistaken deposits of virtual assets, you may request a return of virtual assets according to Coinone Customer Center's mistaken deposit return guide.

• Coinone provides whitepapers, key information summaries, descriptions, community links, etc. for virtual assets that have been approved for trading support, and strives to review and update them periodically.

⁃ Coinone does not make any investment recommendations regarding virtual asset trading.

⁃ Virtual assets are high-risk products and may cause partial or total loss of investment principal.

⁃ When trading virtual assets, please be sure to consider the risk of principal loss due to price fluctuations.

⁃ For safe trading, when trading virtual assets, we recommend that you first check explanatory materials such as the token's whitepaper and related terms.

• Coinone provides whitepapers, key information summaries, descriptions, community links, etc. for virtual assets that have been approved for trading support, and strives to review and update them periodically.

• Coinone Co., Ltd. Compliance Officer Review No. 2025-Da-191 (2025. 9. 9. \~ 2026. 9. 8.)

Thank you.

Coinone team

*This information is generated automatically.