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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 add a custom remote procedure call (RPC) to the OKX Wallet?
It’s typically shown at the top of your wallet interface (for example, Ethereum, BNB Chain). Select Add network Enter the network details, as below: Network name: name the network (for example, "My Testnet"). New RPC URL: the custom RPC endpoint (must be a valid HTTPS address). Chain ID: unique identifier for the network (for example, 137 for Polygon). Currency symbol (optional): like ETH, BNB, and more.Published on 7 May 2025Updated on 24 Feb 202620How do I download a P2P order receipt?
Open or save a PDF file to review the receipt. Select the Download button to save/view the order receiptOn the web On the P2P trading page, select My orders Select My orders to proceed to the next phase Select the download option for the order you need, and then select OK in the download pop-up notification. To download a receipt, the order must be completed and marked Fulfilled. Download is disabled for you if a completed order is in dispute status.Published on 17 Dec 2024Updated on 9 Feb 202668How do I invest in NFTs?
Our market works seamlessly for NFTs on chains, including Bitcoin, Ethereum, Solana, BNB Chain, Polygon, TON, Immutable zkEVM, Aptos, Zora, Arbitrum One, Optimism, zkSync Era, BASE, Blast, Manta Pacific, LINEA, Scroll, Taiko, Fractal, Apechain, and others. Users can trade and create NFTs across OpenSea, Blur, LooksRare, and MagicEden. We're working on support for more markets. Currently, OKX NFT Marketplace charges zero fee for trading NFTs.Published on 5 May 2023Updated on 12 Feb 2026122How 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 create NFTs?
Currently, you need to submit them one by one, and there is a size limit for the file that you upload. We suggest setting a royalty for your NFT so that you can get some income every time your artwork is traded. However, you won't be able to set it when lazy minting (buyers pay gas fees for minting) is enabled. We will review any NFTs created by you before releasing them, but those purchased from the secondary market don't require review.Published on 8 Jun 2023Updated on 4 Mar 20261,408How 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 202610How do I make full use of OKX's time-saving NFT trading tools?
This time-saving initiative allows traders to swiftly complete the necessary verification steps, enabling them to dive into the world of crypto trading without unnecessary delays. In conclusion, OKX stands at the forefront of the crypto trading landscape, not only for its diverse range of assets but also for its commitment to providing you with efficient and time-saving tools.Published on 5 Jan 2024Updated on 12 Sept 202510Why 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's a private key/seed phrase?
Take note that you can save the private key using a keystore (file or string) or seed phrase. The wallet address is akin to a bank card number, which can be made public without much risk as long as the password remains hidden. The private key acts as an authentication for the wallet address, similar to a bank card number and its associated password. Thus, it's essential to maintain the secrecy of the private key in order to maintain control over the funds in your wallet.Published on 24 Aug 2023Updated on 2 Mar 20262,841