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Zero-Knowledge Proofs: what are zk-STARKs and how do they work? (zk-Stark V2)
., π63 from the lower-layer circuit is valid erecursive is the sum of e0, ..., e63 drecursive is the sum of d0, ..., d63 hrecursive is the hash of the concatenation of h0, ..., h63, i.e. hrecursive = Hash (h0 || h1 || ... || h63) There is no overflow during the summation for erecursive and drecursiveWhat is the relationship between batch circuits and recursive circuits? The diagram below illustrates how the batch circuit and recursive circuits connect and pass data between each other.Published on Oct 21, 2024Updated on Feb 11, 202692How do I withdraw USD with an international wire transfer?
International wire transfers are only available to individuals residing in eligible states in the European Union (EU). If eligible, you can easily withdraw USD via wire transfer to your bank.How do I make a USD withdrawal via international wire transfer?Published on Dec 31, 2024Updated on Apr 2, 20269How do I deposit USD with an international wire transfer?
International wire transfers are only available to individuals residing in eligible states in the European Union (EU). To deposit USD via wire transfer, go to your bank account online to send a transfer to your account with us. Start a transfer request using the transfer details that we provide on our app or website.How do I make a USD deposit via international wire transfer?Published on Dec 31, 2024Updated on Mar 26, 20269Address type upgrade FAQ
If you have saved the same address under different address types (Standard/Universal/EVM): All records will be merged into one entry. Example 1: Entry 1: (Standard) Address A Entry 2: (Universal) Address A These addresses will be merged to Entry 2, which allows withdrawals of any crypto selected for a specific network, based on compatibility.Published on Aug 26, 2025Updated on Dec 30, 2025858OKX x McLaren NFT Sweepstakes Terms & Conditions
fault or delay of the third-party; (ix) losses you or other third parties suffer that arise from changes in laws, regulations, and/or government orders; and/or (x) losses you or other third parties suffer that arise from force majeure events caused by unforeseeable, unavoidable, and/or unsolvable objective circumstances.Published on Apr 25, 2024Updated on Sep 8, 2025607How do I enable allowlist? (app)
Tag-based coins require internal transfer: If you are withdrawing a tag-based coin to another OKX user, please choose OKX Users as the withdrawal method. Address format mismatch: The address format does not match the selected withdrawal network. Please verify. System issue: If all the above are correct, please try again later. Under Allowlist, after selecting an address, follow the prompts to enter the Amount and tap Submit to complete the withdrawal.Published on Aug 14, 2023Updated on Mar 31, 20261,905How do I make a withdrawal? (web)
Internal transfer Select crypto to withdraw and internal (free) withdrawal method Select crypto and internal withdrawal method to withdraw Complete the withdrawal details and select Next Select recipient and insert the recipient info (Phone number / Email / Sub-account / UID) Note: the withdrawal recipient needs to be a verified user, learn more on how you can be verified here.Published on Aug 20, 2024Updated on Nov 17, 20258How do I make a crypto withdrawal? (app)
Internal transfer: Transfer crypto instantly with zero fees to OKX users.Getting Started Open your OKX app, go to Portfolio, and select Withdraw.Published on Aug 31, 2024Updated on Mar 18, 202659How do I capture dual-pronged arbitrage opportunities with the OKX ETH/BTC Bot?
Accumulate more BTC as ETH rises Conversely, when Ethereum (ETH) gains ground against Bitcoin (BTC), the bot switches gears (Strong ETH buys weak BTC). It converts ETH back into BTC at a higher rate, allowing users to accumulate more BTC over time.Why do cryptocurrency traders need the ETH/BTC Grid in their portfolio of investments?Published on Mar 6, 2024Updated on Sep 10, 202527OKX Web3 FAQ
Maintenance, network issues, or external factors may cause interruptions or limited access.11. What actions could result in suspension or termination of service?Published on Jan 19, 2026Updated on Feb 27, 202678What should I do if I mistakenly withdraw crypto via the wrong network?
OKX Web3 wallet supports EVM and follows the same generation rules of public key and private key, so the address, private key, and seed phrase are universal in OKX Web3 wallet and ETH wallet. After you complete the above steps, you can continue withdrawing assets via the correct network on our platform. If you've selected the wrong network during the withdrawal process, your assets may not be visible. To avoid this, we suggest double-checking the crypto network before taking any action.Published on Jan 21, 2025Updated on Apr 3, 2026A beginner's guide to identity verification
the address is visible and matches the address provided) Government-issued IDs with your current address Utility bills (water, electricity, and gas), bank statements, and property management invoices that were issued within the last 3 months and clearly show your current address and legal name Documentation or voter identification listing your full address and legal name issued within the last 3 months by your state or local government, your employer's Human Resources or finance department, and universityPublished on Sep 25, 2023Updated on Mar 25, 20266,459Formal Complaint Handling Process
Final response letter As mentioned above, once a complaint is received and it is investigated internally, we will share a final response letter which shall include among other matters the decision taken, and if applicable information on how to refer your complaint to the Office of the Arbiter of Financial Services.Published on Jan 23, 2025Updated on Mar 26, 202619How do I enable allowlist? (web)
Some tokens require internal transfers: If you’re withdrawing a token with tag to another OKX user, please select Withdraw to OKX Users. Address format mismatch: The address format does not match the selected withdrawal network. Please verify the network and address. System issue: If everything above is correct, please try again later. 5.Published on Aug 14, 2023Updated on Feb 12, 2026417What's KYC: What to expect and why it matters?
You may be asked to verify again to: Reconfirm your identity for account protection Prevent unauthorized access or financial fraud Maintain compliance with updated local and international regulations Rest assured, your data is encrypted and handled in accordance with data protection laws, including GDPR and other global standards.What’s next for KYC? We’re constantly improving the KYC experience to make it faster, safer, and more user-friendly.Published on Jun 24, 2025Updated on Apr 6, 202655