QuanChain Wallets
Secure your assets with quantum-resistant wallets. Full support for all 20 TADEQS security levels with post-quantum cryptography.
Wallet Features
TADEQS Parent/Child Architecture
Permanent Level 20 parent identity with ephemeral child keys that rotate on every transaction via SpendAndRotate. Wallet auto-registers your parent on chain, anchoring every future rotation to a Merkle commitment.
Structural Quantum Resistance
64KB parent entropy, segment-based child derivation, variable-length address hashing (128-1024 bit). No live public key ever exposed.
FIPS 204/205 Composite Signatures
Parent wallet uses ML-DSA-87 + SLH-DSA-SHA2-256f AND-construction (FIPS-standardized post-quantum). Child wallets use level-appropriate algorithms for fast everyday transactions. All signing happens client-side in pure JS — no WASM, no server signing.
Manual Installation Guide
Since the extension is not yet available on the Chrome Web Store, follow these steps to install it manually in developer mode.
Download the Extension
Click the download button below to get the QuanChain Wallet extension ZIP file.
Extract the ZIP File
Unzip the downloaded file to a folder on your computer. Remember where you saved it.
Open Chrome Extensions
Open Chrome and navigate to chrome://extensions or click Menu > More Tools > Extensions.
Enable Developer Mode
Toggle the "Developer mode" switch in the top-right corner of the extensions page.
Load the Extension
Click "Load unpacked" and select the folder where you extracted the extension files.
Pin the Extension
Click the puzzle piece icon in Chrome's toolbar and pin QuanChain Wallet for easy access.
chrome://extensions - Copy and paste this URL into Chrome's address bar to access the extensions page directly.
Security Notice
Always download the wallet from official QuanChain sources only- Never share your seed phrase or private keys with anyone
- Store your recovery phrase securely offline
- This is testnet software - do not use for mainnet assets
More Wallets Coming Soon
Firefox Extension
In Development
Mobile App (iOS)
Planned
Mobile App (Android)
Planned
Hardware Wallet Support
Planned