OPZ CARD

What is the OPZ-NFC Card?

The OPZ-NFC Card is a tool that allows users to store their MPC keys easily and securely. A simple tap of the OPZ-NFC Card connects users to their OPZ wallet or Web3 applications, making transactions straightforward and quick.

How does the OPZ NFC Card work?

The OPZ NFC Card securely stores your encrypted MPC key, which is necessary for securely accessing and managing your digital assets. By using NFC technology, the card can communicate with compatible devices, allowing you to interact with dApps and other Web3 services on the OPZ App.

How do I set up my OPZ NFC Card?

To set up your OPZ NFC Card, simply follow these steps:

  1. Register for an account on OPZ.com.

  2. Order your OPZ NFC Card through the platform.

  3. Upon receiving your card, activate it by following the instructions provided.

  4. Back up your MPC key securely on the card.

  5. Use the card to interact with the OPZ app.

Is the OPZ NFC Card secure?

Yes, the OPZ NFC Card utilizes advanced security features, including MPC technology, to ensure your digital assets' safe storage and management. The NFC card works with the user’s MPC account, secured with a password and multi-factor authentication. This dual-layer security ensures that the keys are not only stored safely but also accessed securely. The NFC card also features a Tamper-Proof Design and Signal Shielding for heightened security against physical tampering and unauthorized NFC scanning.

Using the OPZ NFC Card with dApps: A Simple Guide

Easy Steps to Connect Your OPZ NFC Card with dApps

Integrating the OPZ NFC Card with decentralized applications (dApps) on the OPZ app is straightforward. Here's a user-friendly guide to get you started:

  1. Check Device Compatibility: First, ensure your device has NFC capabilities and is compatible with the OPZ app.

  2. Navigate to the Web3 Browser: Open the OPZ App on your device and go to the built-in Web3 browser. This is where you can access various dApps.

  3. Choose Your dApp: Select the dApp you wish to use from within the OPZ Web3 browser.

  4. Connect with WalletConnect: When you choose to interact with a dApp, typically, you'll use WalletConnect or a similar service within the dApp. This creates a secure connection between the dApp and your OPZ NFC Card.

  5. Authenticate with a Tap: A popup will appear asking for authentication. At this point, tap your OPZ NFC Card on the back of your NFC-enabled device.

  6. Additional Authentication Steps:

    • Biometric Verification: After tapping, your phone will request a biometric verification, such as facial recognition or Touch ID.

    • Two-Factor Authentication (2FA): If you have enabled an extra layer of security, you will be asked to enter a code sent to your phone or email as part of 2FA.

  7. Complete the Interaction: The OPZ NFC Card automatically signs the blockchain transaction upon successful verification.

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