KeyLink
Decentralized NFC Wallet Key Management Protocol
NFC Storage
Wallet private keys and mnemonics encrypted storage on NFC physical cards
Private Key Security
Biometric + PIN encryption, offline anonymous APP
Web3 Integration
Compatible with MetaMask, Trust Wallet and other major wallets
Open Source
Users purchase NFC cards themselves, recommended NTag424/213/215/216
Why Choose KeyLink?
Built for secure Web3 interactions with physical NFC cards
Military-Grade Security
AES-256 encryption, PIN protection, and biometric authentication keep your wallet data safe on NFC cards.
Wide Wallet Support
Seamlessly integrates with MetaMask, Trust Wallet, Coinbase Wallet and other major Web3 applications.
Complete Privacy
All data stored locally on your device and NFC cards. No cloud storage, no data collection.
Open Source & Auditable
Fully open source codebase on GitHub. Community audited for transparency and security.
How It Works
Three simple steps to secure your crypto with NFC cards
Install & Setup
Download KeyLink, set up PIN code and biometric authentication for security
Create NFC Cards
Store your wallet data (mnemonic, private key) securely on NFC cards with encryption
Use with Web3 Apps
Tap your NFC card to authorize transactions and connect to Web3 applications
Get Started Today
Download KeyLink and start using your NFC cards with Web3 wallets
KeyLink
Secure NFC Wallet Bridge