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

Hello. This is Coinone.

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

PortaltoBitcoin (PTB) trading information

Deposit/withdrawal schedule:

• Deposit open: 2025-09-09 (Tue) 17:00 (KST)

• Withdrawal open: 2025-09-10 (Wed) 12:05 (KST)

Trading schedule:

• Sell open: 2025-09-10 (Wed) 12:00 (KST)

• Buy open: 2025-09-10 (Wed) 12:05 (KST)

• Market and reserved order open: 2025-09-10 (Wed) 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

PortaltoBitcoin (PTB) asset information

Asset name: PortaltoBitcoin

Asset description: PortaltoBitcoin aims to expand Bitcoin beyond a simple store of value into a gateway connecting with other blockchains, with the purpose of building cross-chain decentralized exchange (DEX) infrastructure that enables asset exchange across various blockchains without bridges or wrapping. PTB is the utility token of PortaltoBitcoin and will be used for staking, validator staking and rewards, light node rewards, liquidity provision incentives, and other uses.

Related materials

• Official website

• Whitepaper

• Key information summary

• Virtual asset manual

Official community

• X (formerly Twitter)

• Discord

• Telegram

• Medium

Notice

• Items marked as to be updated among the information on supported virtual asset listings and supported services will be updated before trading support begins, so please check.

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

• Under the Virtual Asset User Protection Act, unfair trading practices (such as the use of undisclosed material information) are prohibited, so we ask for users' cooperation to maintain a sound market order for virtual asset trading.

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

• If deposits come from virtual asset service providers not included in the Travel Rule solution integration list, it may take a long time to process the return.

• 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 virtual asset deposits, you can request a return of the assets in accordance with Coinone Customer Center's Mistaken Deposit Return Guide.

• Coinone provides the whitepaper, key information summary, manual, community links, etc. of virtual assets approved for listing and strives to periodically review and update them.

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

• Virtual assets are high-risk products and may result in a total or partial loss of invested funds.

• When trading virtual assets, please be sure to consider that there is a risk of principal loss due to price volatility.

• For safe trading, we recommend that you first review the asset's whitepaper and related terms and conditions when trading virtual assets.

• Coinone provides the whitepaper, key information summary, manual, community links, etc. of virtual assets approved for listing 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.

The Coinone team

*This information is generated automatically.