Documents That Pass Verification First Try: A Practical Guide for OKX and Other Exchanges

Getting your identity verified on a crypto exchange is often the single biggest hurdle between you and your first trade. The process is automated, unforgiving, and rarely offers a second glance at your documents. The direct answer is this: the documents that pass verification first try are those that are physically undamaged, digitally uncompressed, and photographically free of glare, shadows, or background clutter. For OKX, as with most major platforms, the key is not which document you choose, but how you present it. A perfect passport photographed in poor lighting will fail; a slightly worn driver’s license photographed in daylight will pass. ## Why Most Documents Fail Before the AI Even Reads Them Before you even think about the text on your ID, the verification system is scanning the image itself. The majority of first-time rejections are not due to an invalid document, but due to the file being unreadable. The automated checks are looking for a clear, unobstructed image of the entire document, with all four corners visible and no reflections. ### The Glare Problem: Your Worst Enemy Plastic cards, especially driver’s licenses, are notorious for producing glare. The holographic overlays and laminated surfaces reflect light directly back into the camera lens, obscuring the microprint and the photo. To avoid this, do not use a direct flash. Instead, place the document on a flat, dark surface and use ambient, indirect light from a window or a lamp positioned at a 45-degree angle. If you see a white sheen on the screen preview, adjust the angle of the camera, not the document. ### The Background Trap Verification systems are trained to isolate the document. If your ID is held in a hand, placed on a patterned tablecloth, or photographed with a keyboard visible in the background, the algorithm may struggle to find the edges. Place the document on a single, solid-colored surface—a blank sheet of white paper or a plain wooden desk works best. There should be no other objects in the frame. ## Choosing the Right Document Type for First-Try Success While presentation is 80% of the battle, selecting the correct document type is the other 20%. Most exchanges, including OKX, allow for a Passport, National ID Card, or Driver’s License. However, they are not all treated equally in the automated system. ### The Passport: The Gold Standard A passport is generally the most reliable document to submit. Because it is a booklet, it lies flat, has a matte finish (reducing glare), and contains a machine-readable zone (MRZ) at the bottom that is easy for OCR software to parse. Ensure the entire page is visible, including the bottom two lines of numbers and letters. Do not crop the image to just your photo; the system needs the full page to cross-reference the data. ### The National ID Card: The Trap of the Back Side Many national IDs have a two-sided design. A common mistake is only photographing the front. The verification process often requires both sides, but the upload interface may not make this obvious. If you are using an ID card, check the upload prompts carefully. If it asks for a "front" and "back," ensure the back is photographed with the same lighting standards as the front. Do not take a photo of the back of the card while holding it in your hand; lay it flat. ## The Technical Checklist: File Size, Format, and Resolution You can have a pristine document, but if the file is too large or in the wrong format, the upload will fail or be rejected. Pay strict attention to the technical requirements, which are usually listed in the FAQ of the exchange. - **Format:** Use JPEG or PNG. Avoid HEIC (Apple’s default format) unless you have converted it. Many systems still struggle with HEIC files. - **File Size:** Most systems have a limit between 5MB and 10MB per file. If your image is too large, compress it using a free online tool, but do not reduce the resolution so much that the text becomes pixelated. A good rule of thumb is to keep the image at least 1000 pixels on the longest side. - **No Screenshots:** Never take a screenshot of a digital ID or a photo of a photo. The system checks for moiré patterns and pixelation that indicate a copy of a copy. You must photograph the physical document directly. ## Selfie Verification: The Final Hurdle The document is only half of the identity check. Most platforms, including OKX, require a live selfie or a video liveness check to ensure you are the person on the ID. This is where many users fail after submitting a perfect document. ### Lighting and Positioning for the Selfie The selfie check is not about vanity; it is about facial recognition matching. You need to ensure your face is evenly lit. If you sit with a bright window behind you, your face will be in shadow and the algorithm will fail to match you to the ID photo. Instead, face a light source. Remove glasses if they cause glare, and remove hats or head coverings unless worn for religious purposes. ### The "Live" Aspect The system often asks you to blink, nod, or turn your head. This is to prevent someone from using a printed photo of you. Move slowly and deliberately. Do not hold the camera too close to your face; you need to ensure your entire head and the top of your shoulders are in the frame. If you fail this step three times, you may be locked out for 24 hours, so it is worth taking a moment to set up a stable surface for your phone rather than holding it in your hand. ## A Quick Comparison of Common Document Pitfalls To summarize, here is a practical look at what works and what fails. | Document Type | Primary Risk | Best Practice | | :--- | :--- | :--- | | **Passport** | Glare on the biometric page | Photograph in daylight, avoid flash, ensure MRZ is visible | | **Driver’s License** | Glare on the plastic laminate | Use indirect light, angle the camera, not the card | | **National ID** | Missing the back side | Check upload fields for "front/back" prompts | | **All Types** | Blurry focus | Tap the screen to focus on the text, not the photo | Ultimately, passing verification on the first try is about treating the automated system with respect. It is a rigid, rule-based engine that cannot interpret a "good enough" image. By following the technical specifications, eliminating glare, and ensuring your face matches the document in a live selfie, you move from the realm of luck into the realm of certainty. Take your time on the first attempt; the five minutes you spend setting up proper lighting will save you the 24-hour wait for a manual review.