I'm under the age of 18. Why can't I sign up? Due to applicable local laws and regulations, you must be 18 or older to access our products and services.8. Why do I need to submit a selfie for identity verification? We need your selfie to compare it with your ID and make sure it's really you. We'll store it securely and never share with third parties. For more information, please see OKX's US Privacy Notice.9.

If you're unable to create or use a passkey after upgrading to iOS 18, it's possible that the built-in Passwords app on your Apple device was deleted or is not functioning properly. To fix this: Make sure your device is running iOS 18 or later Reinstall the Passwords app from the App Store if it's missing Once the app is installed, you can create a new passkey normally.4. Why does it say "No passkey found" during verification?

KAT call auction will take place from 12:00 to 13:00 UTC on March 18, 2026. KAT/USDT spot trading will open at 13:00 UTC on March 18, 2026. KAT premarket futures will be converted to standard perpetual futures within 3 hours starting 13:00 UTC on March 18, 2026 . The conversion will be completed once the index remains stable during this period. KAT withdrawals will open at 15:00 UTC on March 18, 2026.

Form W-9 and form W-8 collection starting tax year 2026 Starting calendar year 2026, OKX is required to collect form W-9 and form W-8 from OKX US users on the U.S. exchange platform. Form W-9 is collected from OKX US users who are considered U.S. Persons. Form W-8 is collected from OKX US users who are considered Non U.S. Persons. These forms are collected to ensure proper and correct reporting of users' information and reportable transactions to the IRS.

40% Tier 2: 1,000,000 - 5,000,000 USD 1% 1.5% 2% 3% 4% 6% 12% 18% 21% 27% 30% 40% Tier 3: 5,000,000 - 10,000,000 USD 1.5% 2% 3% 4% 5% 10% 15% 21% 24% 30% 30% 40% Tier 4: 10,000,000 - 30,000,000 USD 2% 3% 4% 5% 6% 12% 18% 24% 30% 30% 30% 40% Tier 5: 30,000,000 - 50,000,000 USD 3% 4% 5% 6% 7% 15% 21% 27% 30% 30% 30% 40% Tier 6: 50,000,000 - 80,000,000 USD 4% 5% 6% 7% 8% 17% 27% 30% 30% 30% 30% 40% Tier 7: 80,000,000 - 120,000,000 USD 5% 6% 7% 8% 12% 20% 30% 30% 30% 30% 30% 40% Tier 8: 120,000,000+

Why is the anti-money laundering (AML) program questionnaire collected? The anti-money laundering (AML) program questionnaire is collected in order for us to comply with applicable AML laws and regulations. It's a critical part of our commitment to responsible business practices and the protection of our platform’s ecosystem. How do I submit the anti-money laundering (AML) program questionnaire? Select Yes under the Additional info part on the Basic company info page Select Take questionnaire.

A Call Auction is a listing mechanism where buy and sell orders are collected over a fixed period and matched at a single opening price when the auction ends.This mechanism is generally applied to newly listed assets that require price discovery at the start of trading.Trading sequence During a call auction, trading follows the sequence below: Start of Call Auction period Users may place limit buy and sell orders. Orders are collected but are not executed.

All customer personal data collected is retained and destroyed securely in accordance with our records retention policy.What if I have more questions? Should you have additional questions or concerns regarding the sanctions program in your jurisdiction, you can find additional information with your local regulatory authority. We have provided some examples below:United States Sanctions Programs and Country information with the U.S.

(The standalone Passwords app requires iOS 18+.) Passkeys can sync across devices using the same Apple ID. Android: Passkeys depend on Google services, so your device must be able to access Google. 2. Open the OKX app, go to menu, and select Profile and settings Select menu at the top left corner 3. Find the Security in the User center Select Security on the user center page 4. Select Passkeys Select Passkeys to continue 5.

ZEN pre-open will take place from 5:00 to 6:00 UTC on Nov 18, 2025. ZEN/USDT spot trading will open at 6:00 UTC on Nov 18, 2025. ZEN withdrawals will open at 8:00 UTC on Nov 18, 2025. Spot market opening risk control rules Price limit rules: During Pre-open session and continuous trading, index-based limit rules will be applied.

To support the growth of the USD ecosystem and meet our users’ diverse trading needs, OKX is introducing the following USD trading pairs in our spot trading at 14:00 UTC on Mar 18, 2026: KAT/USD OKX team Mar 17, 2026

As part of our Know Your Business (KYB) obligations, regulators in the jurisdictions where we operate require us to collect information about your institution’s ownership structure, including intermediate owners, and identify the natural person(s) that ultimately owns and/or controls your institution.What types of documents are acceptable to evidence my institution’s ownership structure?

To support the growth of the USD ecosystem and meet our users’ diverse trading needs, OKX is introducing the following USD trading pairs in our spot trading at 8:00 am UTC on November 18, 2025: ZEN/USD Rules for spot trading opening Order limits: In order to protect traders from price volatility at the opening of spot trading, OKX will impose the following restrictions on orders during the first 5 minutes of trading: No market orders allowed.

(1)Go to the Strategy Trading homepage. (2)Click on the Smart Arbitrage Strategy. (3)Select a Smart Arbitrage Strategy marked with staking rewards, such as the SOL Smart Arbitrage Strategy or ETH Smart Arbitrage Strategy. (4)Enter your investment amount and check the option to enable staking rewards (enabled by default). (5)Click "Create Strategy" to complete the setup. How to View My Earnings?

The information collected is for the sole purpose of completing the verification process. If you have any questions, please contact our customer support. Find the list of identification details required to complete the identity verification process here.