All
FAQ
Announcements
Product documents
Zero-Knowledge Proofs: what are zk-STARKs and how do they work? (zk-STARK V1)
Since two different polynomials with D degree will share at most D points, an example polynomial pair with a valid polynomial (which satisfies the above constraints) and a fake polynomial with D degree (which does not satisfy the above constraints) will share at most D points. That means a fake polynomial has a chance of to pass a random sampling inspection. If we do the sampling inspection n times, the chance will decrease to .Published on May 10, 2023Updated on Sep 8, 2025178What is Proof of Reserves (PoR) user snapshot data?
= - 0 ETH + 9.99 ETH - 0 ETH - 0.0283 ETH = 9.9617 ETH USDT: Isolated position margin(margin trading) = 0 USDT Margin trading position assets = 0 USDT Margin trading position liabilities = 10,872.4 USDT Margin trading unrealized profit and loss = 0 USDT D-value = -0 USDT + 0 USDT – 10,872.4 USDT – 0 USDT = -10,872.4 USDC Audit Details Page - Detailed fields of Trading account ETH : Balance = cross account balance + isolated position margin(except isolated margin trading) = 15 ETH + 0 = 15 ETH MarginPublished on Jan 20, 2023Updated on Mar 4, 2026484What attestation do we need to agree to when verifying as an institutional customer?
hereinafter the “Terms”), and any modification or amendment thereto for as long as it uses the Services (as defined in the Terms); B. any information and/or documentation provided in connection with its application to open or maintain an account or subaccount on OKX (collectively, the “Application Documentation”) by Applicant previously or herewith is true, accurate, correct, and complete; C. any Application Documentation provided by Applicant hereafter will be true, accurate, correct, and complete; D.Published on Feb 5, 2024Updated on Oct 8, 2025131Spin the wheel terms and conditions
This promotion ("Promotion") is being offered by OKCoin USA Inc. d/b/a OKX ("OKX") to eligible customers in the United States who sign up for a new account on the OKX platform (www.okx.com) through designated channels. This promotion starts on Aug 5, 2025 at 9:00pm PT and will continue until terminated by OKX (the "Promotion Period").Published on Feb 5, 2026Updated on Feb 5, 2026How do I buy crypto with debit cards?
This code is generated by the issuing bank and is part of the 3-D secure authentication process, which helps to keep your card secure. You can enter the code you received from your bank to complete the transaction.7. My card transaction was declined, but I still see money deducted. When will I get my refund? For declined transactions, your bank may place a temporary hold on the amount when the payment attempt is made.Published on Sep 13, 2024Updated on Feb 19, 20265How do I deposit USD with a debit card?
This code is generated by the issuing bank and is part of the 3-D secure authentication process, which helps to keep your card secure. You can enter the code you received from your bank to complete the transaction.7. My card transaction was declined, but I still see money deducted. When will I get my refund? For declined transactions, your bank may place a temporary hold on the amount when the payment attempt is made.Published on Mar 2, 2026Updated on Mar 2, 2026
Showing 1-6 of 6 articles