Sign up by: you must enroll in the campaign by February 16, 2026. Complete by: all 5 buys must be completed by February 20, 2026.What happens if I miss a day? If you miss a day, don't worry—you won't lose your progress entirely. Once you earn your first $5 reward, your streak will simply reset to Day 2. You'll then need to complete 4 more daily buys to get the final reward.

For more information, go to okx.com © 2026 OKX. All rights reserved.

Cost Basis: Starting with crypto acquired on OKX in Tax Year 2026 and sold on OKX in 2026 or later, the form will expand to include the cost basis for these "covered securities" (assets acquired on OKX after the regulation start date).When will I receive my tax forms? Form 1099-MISC: Available by February 2, 2026 (for those who earned $600+ in rewards/staking). Form 1099-DA: Available by February 17, 2026.

Event Contract Fee has been updated effective from May 6, 2026 at 16:00-17:00(UTC+8). For more details, please refer to Notice on OKX Event Contract Fee UpdateAPI Integration & AI Agent Integration Supported account modes: Futures mode, Multi-currency mode, and Portfolio mode. Spot mode is not supported. Position mode: API access only supports Isolated margin mode.

OKTChain will continue operating until January 1, 2026. Before this date, you can deposit OKT to the platform at any time. Deposited OKT will be automatically converted to OKB based on the same average closing price rules.How are other on-chain assets on OKTChain handled? OKTChain will continue operating until January 1, 2026. You should manage and withdraw other on-chain assets before this date.How do I exchange OKT from a cold wallet for OKB?

Campaign Overview and Period The "8M $SPACE Drops Campaign" (the "Campaign") begins on January 26, 2026, 7 AM PST (the "Start Date") and ends on January 30, 2026, 7 AM PST (the "Campaign Period"). The Campaign allows eligible users to join and earn rewards in the form of specific tokens (the "Reward Token") based on their eligible crypto asset holdings.2.

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.

acctLv == "2": 14 print("Single-currency margin mode") 15 elif acctLv == "3": 16 print("Multi-currency margin mode") 17 elif acctLv == "4": 18 print("Portfolio margin mode")10.

Note: the IRS threshold for this form increases to $2,000 for the 2026 tax year.

We implement the extension_factor default as 16 and the sampling inspection default time as 16, so the security level will be 80 bits. Polynomial commitment: we calculate the hash value of the computation trace and corresponding user balance, user ID, and the value of the corresponding constraint polynomial for each row, and generate a Merkle tree. The Merkle root is the commitment value of the polynomial. Generating sampling proof: using the Merkle root as a random source, we sample the data.

Recommended: iOS 16+ and Android 9+. Android devices must be able to log into Google services.2. How do Pay Passkeys differ from exchange Passkeys? They're two completely independent Passkey systems. You may have an exchange Passkey for exchange logging in and trading, but a separate Pay Passkey must be created for their Pay account. The Pay Passkey is used solely for signing transactions in Pay mode.3. How does Pay Passkey synchronize across devices?

Campaign Overview and Period The "3.1M+ $SENT X Drops Campaign" (the "Campaign") begins on February 4, 2026, 8 AM PST (the "Start Date") and ends on February 8, 2026, 8 AM PST (the "Campaign Period").

Campaign Overview and Period The "500k $BREV Campaign" (the "Campaign") begins on January 8, 2026, 8 AM PST (the "Start Date") and ends on January 13, 2026, 8 AM PST (the "Campaign Period").

For more information, go to www.okx.com © 2026 OKX. All rights reserved.

All unclaimed gifts will expire on 5 January, 2026 at 23:59 PT. Crypto gifts will be sent on a first-come, first-served basis, while supplies last, in OKX's sole discretion. This crypto gift campaign is exclusively available to residents of the United States, excluding residents of New York, Texas, American Samoa, Guam, the Northern Mariana Islands, and the U.S. Virgin Islands.