Your Device & Security You are solely responsible for maintaining control of the Apple Pay-enabled device, passcode, Touch ID / Face ID, and any iCloud credentials. If the device is lost, stolen, or compromised, you must remove the Card from Apple Pay. Data Use We receive limited transaction data from Apple (token, merchant name, amount, and date) and use it only to authorise your purchase, prevent fraud, and comply with law. We do not share this data for marketing.

Can Apple devices bind multiple passkeys? Each account can only be bound to one passkey.11. Why don't I see 'Use Passkey' or the authentication pop-up on my iPhone? This is usually caused by an incorrect AutoFill & Passwords configuration. Go to Settings > General > AutoFill & Passwords and make sure Passwords is turned on and Authenticator is turned off.12. Why did my passkey stop working after reinstalling the Android app?

If you change phones or switch your Apple ID, your existing passkey may stop working and require a reset. Some reset features for iOS users may require iOS 18 or later.Reset passkey If you only have 1 passkey linked to your account, you'll only see the Reset option. This is because your account must always have at least 1 passkey. When you reset it, you'll replace your current passkey with a new one during the process.

If the device has not logged in within 30 days of being recognized as a different device, you will need to log in again, and it will no longer be considered an authorizable device. To download the OKX app, you can download via: Android: Download via Android/HarmonyOS system methods iOS: Log in to your Apple ID in the App Store, then search for OKX to download.

Find the passkey(s) Delete the passkey(s) Important note: if you also use OKX Pay, and the OKX Pay passkey works normally, do not delete the passkey labeled "OKX Pay," otherwise you may not be able to use OKX Pay. Return to OKX app and use your account normally. Optional: you can add or create a new passkey again after the deletion

This guide explains common causes and practical solutions to help you restore access quickly.Why is my OKX app not working? There are several reasons why the app may stop working or crash.

It's important to know that having a rooted device can increase your susceptibility to viruses, system instability, and privacy leaks. Android devices do not enable root by default. If a device is rooted, malware could exploit the root privileges to attack the system, creating unnecessary security threats. For this reason, when the OKX app detects that your device is rooted, you will receive a security prompt to help prevent the loss of assets.What should you do?

Go to Menu > User center > at Profile, look for Connected accounts > Unlink any social account which is not linked by you.Use a secure device We strongly recommend performing all security-related actions on a trusted device that’s free of malware. If your previous device may be compromised, it’s best to use a secure device for any account recovery or checks to reduce the risk of unauthorized access.

There are two ways to get the authenticator app, through the OKX app directly, or by downloading it from your device's app store.Option1: Download app through OKX app Open the OKX app Go to the Main menu and select Profile and Settings Navigate to Security Under Authentication methods, select Authenticator app Follow the prompts to download and begin setupOption2: Download from your device's app store For Apple devices: Search for the authenticator app in the App Store and download it.

Below are how you can work around it: You may check if you have permission for the TRON wallet address by searching for the wallet address here. You need to crosscheck if your account has owner or active permissions. If your address doesn't have permission, kindly update the owner permissions to regain full access to the wallet. The outcome of the TRON wallet address search To learn more about other Risk Fraud topics, visit here.

If your mobile phone isn't working properly, or you've lost access to it, or you can't get SMS codes, try the following:My SMS codes aren’t working on OKX Try these fixes first to check if you can get codes working again: Automate your mobile phone time.

How does market making work? Market making in DeFi involves providing liquidity to decentralized exchanges (DEXs), such as adding assets like ETH or SOL to pools. In return, you earn a share of the trading fees, contributing directly to the efficiency of the crypto ecosystem. By ensuring there are sufficient assets for trading, market makers help stabilize price fluctuations. Additionally, impermanent loss is a key concept to consider.

HMS Core components (Huawei devices only): If you're using a Huawei device, make sure HMS Core is installed and updated to the latest version via AppGallery. After confirming the above, try backing up your wallet again. Visit OKX wallet FAQ or contact our OKX Assistant for further assistance.

How futures spreads are traded in crypto? Spread trading involves taking two futures positions in opposite directions: one long, one short. The idea is to make money off the price difference between the two futures – which are also called the two legs of the strategy. The profit a trader makes from this trade comes from the price difference, or spread, between those two contracts. That’s why this...

If your mobile phone isn't working properly, or you've lost access to it, or you can't get SMS codes, try the following:My SMS codes aren’t working on OKX Try these fixes first to check if you can get codes working again: Automate your mobile phone time.