[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/reserved price 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 that enables the exchange of assets across different blockchains without bridges or wrapping, based on the intent to expand Bitcoin beyond being simply a stored asset into a gateway that connects to other blockchains. PTB is Portal to Bitcoin's utility token and will be used for staking, validator staking and rewards, light node rewards, liquidity provision incentives, and more.

Related Materials

• Official website

• Whitepaper

• Key information summary

• Virtual asset description document

Official Community

• X (formerly Twitter)

• Discord

• Telegram

• Medium

Notes

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

• Trading support for scheduled virtual assets may be delayed or canceled due to circumstances of the token issuer or Coinone's trading support criteria.

• Pursuant to the Act on the Protection of Virtual Asset Users, unfair trading practices (such as the use of undisclosed material information) are prohibited; we ask for users' cooperation in maintaining a healthy market order for virtual asset trading.

• When a new virtual asset is listed for trading, only limit sell orders are allowed for 5 minutes from the sell open time.

• If a deposit is received from a virtual asset business operator not included in the Travel Rule solution integration list, it may take a long time until the return.

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

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

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

• Coinone does not provide any investment advice related to virtual asset trading.

• Virtual assets are high-risk products that may cause a total or partial loss of invested funds.

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

• For safe trading, we recommend that you first check explanatory materials such as the whitepaper and related terms for the virtual asset when trading.

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

• 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.