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Zero-Knowledge Proofs: what are zk-STARKs and how do they work? (zk-Stark V2)
The JSON string contains your account balance and a snapshot of the Merkle path, then saves the file in a new folder. Open a text editor (e.g., Notebook), then paste and save the JSON string as a file. The file name must end with "_inclusion_proof.json." Save the file in a new folder. The JSON string contains your account balance and a snapshot of the Merkle path.Published on 21 Oct 2024Updated on 11 Feb 202690Zero-Knowledge Proofs: what are zk-STARKs and how do they work? (zk-STARK V1)
OKX open-source verification tool zk-STARKValidator and the JSON string file together in the new folder from step 3.Published on 10 May 2023Updated on 8 Sept 2025178How do I check if an email is officially from OKX via EML file?
Step 1: Download and open the EML file Download the EML file on your desktop. Log in to your email account.Published on 24 Nov 2025Updated on 4 Mar 202615How do I fix errors when submitting my institutional verification?
Note: Document should be an original copy (preferably in PDF file format), clear quality, and smaller than 20MB. Please clear your browser’s cache and cookies, and restart your browser before trying again. Navigate the status of your details via the progress bar Learn more on how you can fix the errors on your Institutional account application here.Published on 10 Oct 2024Updated on 8 Oct 202560How do I verify OKX's ownership and balance of the wallet address?
Configure the parameters Open rpc.json file Configure btc-related RPC parameters in the rpc.json file and save the file Example: configure the parameters 3. Verify whether the balance of an on-chain address is consistent with the balance shown in the snapshot file by using the CheckBalance tool. Open the terminal program Mac system: Terminal Windows system: Command Prompt Run the command and locate the directory of the downloaded folder.Published on 26 Sept 2023Updated on 26 Jan 2026996Why did my identity verification fail?
Screenshot / Non-original File / Missing Pages / Damaged File / Expired File / Unsupported Language Issue Description: The system detects any of the following: screenshots, scanned or printed copies instead of original documents; black-and-white photos; missing pages; poor-quality or damaged files; expired documents; or documents in an unsupported language.Published on 5 Sept 2023Updated on 23 Feb 202611,511What should I do during or after a scam?
When users encounter scams in the cryptocurrency industry, they should consider taking the following steps: Save conversation records: immediately download and save the chat logs with the (suspected) scammer as a TXT file. These records may become crucial parts of subsequent investigations and evidence. Relevant platforms may include WhatsApp, Telegram, Wechat, Line, Facebook, Instagram and etc.Published on 11 Mar 2024Updated on 4 Mar 2026723How do I protect my account from Trojan horse takeovers?
Risky file types include .exe, .zip, .docm, and .xlsm. Cracked Software and Illegal Downloads Free and unauthorized software activators, game cheats, or pirated media often contain embedded Trojans. These are widely circulated on file-sharing platforms and pose significant security risks to your device. Malicious Websites and Pop-ups Simply visiting a compromised website or clicking on deceptive pop-up ads may trigger an automatic malware download. This is known as a drive-by download.Published on 30 May 2025Updated on 5 Feb 202610Why hasn't my deposit been credited?
That said, if you've saved or whitelisted an OKX deposit address, please update it as soon as possible to avoid any issues later. Please also be aware that some tokens are no longer supported on certain networks. For example, USDT deposits via the BSC network are not supported on OKX, although BNB deposits on the BSC network are still supported.Delayed from block confirmation You can check if you've input the correct deposit information and your transaction status on the blockchain.Published on 1 Sept 2023Updated on 3 Mar 202613,720What are Source of Funds (SoF) and Source of Wealth (SoW)?
Income is generally divided into two categories: Source of Funds (SoF): specifies where the money for a particular transaction comes from, such as income, savings, loans, or the sale of assets. Notes: If you have multiple sources of funds, please select the one that is recent and primary for your deposit. If you use your own funds to purchase crypto from another person, you should provide SoF of your own funds.Published on 24 Dec 2024Updated on 4 Mar 2026723Address type upgrade FAQ
However, you can choose to delete it and save it again as an unverified address if you prefer.Published on 26 Aug 2025Updated on 30 Dec 2025858How do I enable allowlist? (web)
Select the checkbox if you'd like to save the address as verified address to skip future verification and Save to continue making your withdrawal Add new address and save as verified address 6. In the Address book, you can enable the Allowlist only or enable the New address withdrawal lock at the same time Enable allowlist in your address book Note: When the Allowlist is enabled, you can only withdraw funds to addresses in the address book.Published on 14 Aug 2023Updated on 12 Feb 2026416How do I change my verified name?
Tap the edit icon to edit your name Select Confirm to proceed to change your name Fill in your Full name in English and Full name in Korean, then select Save changes to complete your name change. Select save changes once you've filled in your new namePublished on 18 Mar 2026Updated on 19 Mar 2026How do I submit my proof of address (POA)?
The POA must be a clear photo of your original POA or a PDF file can either be a clear photo of your original POA or a PDF file. The POA must match the residential information you provided during your identity verification. The acceptable types of POA may vary with different jurisdiction.Where should I upload my proof?Published on 5 Sept 2023Updated on 12 Feb 2026848How do I add my emergency contact?
Set your inactivity period and response time Save and Confirm the contact information. Confirm your emergency contact details after review Once your emergency contact is successfully saved, you can always come back to update your emergency contact. What your emergency contact looks like, and you can always update itWhen will the emergency contact be contacted? If your account stays inactive for the period you've chosen, we'll first try to contact you by email and SMS.Published on 24 July 2025Updated on 12 Feb 2026248