All
FAQ
Announcements
Product documents
Zero-Knowledge Proofs: what are zk-STARKs and how do they work? (zk-STARK V1)
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.Published on May 10, 2023Updated on Sep 8, 2025FAQ179How do I know if anti-money laundering (AML) program questionnaire is needed for my verification?
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.Published on Dec 12, 2024Updated on Oct 15, 2025FAQ78Unified USD Orderbook FAQ
We’re committed to processing your withdrawal as quickly as possible and appreciate your patience. For any concerns, please reach out to our support team.Published on Jul 4, 2025Updated on Mar 4, 2026FAQ4How do I level up my trades with Mizar?
This advanced system simulates trading conditions, and lets traders test their ideas without committing capital.What's the pricing for Mizar like? Mizar is 100% subscription free, and all tools are available for everyone. That means users pay fees based on their trading volume. Additionally, users share part of their profits when copy-trading other users.Published on Mar 28, 2024Updated on Jan 2, 2026FAQ5Why is my account restricted and what should I do?
We remain committed to prioritizing security and compliance. If you have any questions regarding risk control measures or account restrictions, please refer to the platform's Terms of Service for further details.What can I do when my account is restricted? Once your account is restricted, you may still be able to: Log in to OKX View balances and transaction history Close open positions Submit any required documents or information Note: restrictions may vary depending on the specific scenario.Published on Feb 27, 2026Updated on Mar 16, 2026FAQ69What's KYC: What to expect and why it matters?
Here’s what to expect: Faster processing times through automation and AI-driven verification Stronger security with encrypted storage and facial recognition tools Privacy-centric updates that minimize unnecessary data exposure Broader support for global ID types and regional verification options As regulations evolve, so will KYC—and we’re committed to keeping your experience seamless and secure.Published on Jun 24, 2025Updated on Jan 15, 2026FAQ55Understanding OKX's Security Fund
Understanding the OKX Security Fund As a digital asset exchange offering leveraged products, OKX is committed to maintaining a stable and fair trading environment. A key component of our risk architecture is our Security Fund. This article explains the Security Fund's purpose, structure, funding mechanism, and outlines critical disclaimers regarding its operation.1. What's the Security Fund? The Security Fund is a segregated pool of assets, established and fully owned by OKX.Published on Mar 25, 2026Updated on Apr 3, 2026FAQ1What's Satoshi test and how do I complete it?
In response to the evolving regulatory landscape surrounding cryptocurrency transactions, we're committed to upholding compliance standards established by the Financial Action Task Force (FATF) and local regulatory bodies. One key recommendation underscores the necessity of reassessing the transfer of crypto assets, particularly concerning self-hosted wallets.Published on May 28, 2024Updated on Feb 17, 2026FAQ60Why is my deposit/withdrawal suspended?
Please follow the project team's official announcement, or retry deposit/withdrawal on our platform.Specific cryptocurrency is delisted We're committed to safeguarding users' interests and maintaining the longevity of the industry. As such, we will regularly conduct thorough audits on project teams, operations, token transactions, and technology. Any tokens/crypto that fail to meet our standards will be delisted, and deposits will be disabled. If I encounter this situation, what should I do?Published on Aug 31, 2023Updated on Jan 26, 2026FAQ989Common scam tactics
These tactics are deliberately designed to create a false sense of urgency and legitimacy, ultimately pressuring users into making financial commitments that result in loss. Example for scammers pretending to be customer service agents from well-known platforms5. Crypto gift scams One of the latest tactics involves scammers using "gifts" or "bonus events" to deceive users into transferring funds.Published on Sep 28, 2023Updated on Feb 6, 2026FAQ2,627Zero-Knowledge Proofs: what are zk-STARKs and how do they work? (zk-Stark V2)
In this article, we'll explain how we use zk-STARK to protect user privacy while proving our solvency.Before we continue, it's helpful to understand some basic ZKP terms, like Circuit, Merkle Tree, and Commitments. For beginners, there are many resources available to help you get started. For advanced users, you may refer to the MOOC Course and the academic monograph.How does zk-STARK work? We create a Merkle tree using the hash of each user's account as the leaves.Published on Oct 21, 2024Updated on Feb 11, 2026FAQ91What's the Spot DCA bot and how do I use it?
Orders get progressively further apart, leaving more room for deeper pullbacks before the bot commits more funds. This helps preserve capital in volatile or trending markets but means fewer buys in shallow corrections. Multiplier = 0.9 (Tightening): The gap between orders shrinks by 10% each time. Safety orders cluster closer to the entry price, allowing you to average down aggressively in minor dips — but at the cost of using up funds faster.Published on Oct 3, 2025Updated on Nov 17, 2025FAQ4
Showing 1-12 of 12 articles