KeyPal Card Main Features Overview

Lightweight and portable mnemonic phrase backup solution

Product Introduction

KeyPal Card is a mnemonic phrase backup card developed by the TokenPocket team, based on NFC technology. It is designed to provide users with a more convenient and secure experience for storing and restoring mnemonic phrases. Compared with traditional paper backups, KeyPal Card encrypts and stores the mnemonic inside the card’s secure chip, greatly improving the reliability and security of asset recovery.

✨ Key Features

🔐 1. NFC Encrypted Storage

• Equipped with a financial-grade secure chip, mnemonic phrases are encrypted and stored only within the chip.

• Interacts via NFC with TokenPocket, KeyPal 2, and other wallets to enable touch-based backup and restore.

• Entire process requires no internet connection, eliminating exposure risks.

📲 2. Touch-Based Recovery Experience

• When users need to restore a wallet, simply place the KeyPal Card close to TokenPocket or KeyPal 2.

• NFC sensing enables secure and fast data interaction during recovery.

• Compared to manual input, it prevents spelling errors and input exposure risks.

🛡️ 3. Multiple Physical Protections

• Encrypted physical storage, suitable for preservation in various environments.

• Anti-magnetic interference, ensuring long-term storage safety.

• Compared with traditional paper backups, it offers higher efficiency and better privacy protection.

🔒 4. Security Mechanisms

• Encrypted card — mnemonic phrases must be accessed and verified through TokenPocket or KeyPal 2 offline devices.

• Asymmetric encryption with root certificate verification prevents unauthorized tools from attempting to read data, reducing social engineering attack risks.

• Protected by device PIN encryption, ensuring that only the owner can use it, keeping control fully in the user’s hands.

📦 5. Use Cases

• Long-term cold storage: Paired with TokenPocket or KeyPal 2 hardware wallets for truly offline backup of mnemonic phrases.

• Convenient backup/restore: Supports repeated backups, allowing quick wallet recovery with KeyPal Card.

• For different user groups: Easy operation with the KeyPal Secret Box (metal safe box); higher security with KeyPal Card encrypted storage; combined use enhances redundancy and overall security.

Technical Specifications

Item	Parameter
Chip	Financial-grade secure chip (SE)
Communication	NFC (13.56MHz)
Protocol	ISO/IEC 15693
Form Factor	Bank card standard (85.6mm × 54mm × 1mm)
Material	Polymer composite, rewritable, easy to store, waterproof
Lifespan	Over 500,000 read/write cycles, supports long-term storage
Compatibility	KeyPal 2 and TokenPocket wallets

📌 Mission of KeyPal Card: Replace fragile paper backups with a more durable, secure, and intelligent solution for mnemonic storage — becoming the last line of insurance for users’ crypto assets.