In the PoR snapshot, the ETH balance will decrease by 3, while the USDT balance will increase by 3,300. When you combine the PoR snapshot of both ETH and USDT, it will be equivalent to the Unrealized Profit and Loss (UPL) of the margin position.Advanced verification method - trading equity valueWhich account mode supports margin positions?

Form 1099-DA: Available by February 17, 2026.

Form 1099-DA cost basis reporting for "covered securities" transactions starting January 1, 2026 In addition to gross proceeds reporting, digital asset brokers are required to report cost basis on "covered securities" from digital asset dispositions on Form 1099-DA for users who have reportable transactions starting January 1, 2026. This requirement applies to dispositions of digital assets that are classified as "covered securities"; cost basis must be reported on Form 1099-DA.

Satoshi Test Pros and Cons are as below: Pros Cons Reliable method for confirming control over a private address. Multiple criteria are required for a successful test. Supports most networks. (BTC Lightning is unsupported) Involves network fees borne by the user. How do I verify my address with the Satoshi test?Entering the Satoshi test flow During your withdrawal process, you may be prompted to specify the destination of your funds.

OKX is NOT obligated to report CeDeFi trades to the IRS and issue Form 1099-DA. It's solely users' responsibility to keep track of the cost basis of crypto assets within a self custody wallet and report realized gains / losses on income tax returns.

Thanks to the recursive method, the proofs can be repeatedly aggregated and condensed into a single proof.How do I perform self-verification of Proof of Reserves (PoR)?

*Execution trace table and Merkle tree constructed for zk-STARK PoR* 1.

Transparent User Practices with Proof of Reserves: OKX provides transparent monthly proof of reserves (PoR), enabling users to verify the security and solvency of the platform.