SeedSigner

SeedSigner was developed to make using Bitcoin multi-signature wallets easier and more accessible to everyone. It allows anyone to create a fully air-gapped Bitcoin signing device, without an internet connection, using cheap and widely available hardware components. With SeedSigner, you can protect your private keys and set up multi-signature wallets easily, without compromising security.

Through a secure QR code exchange model, SeedSigner allows transactions without the risk of exposure to the internet, ensuring total privacy and security for your Bitcoin operations.

Main Features:

• Creating BIP39 recovery phrases with 12/24 words
• Generating BIP39 phrases using random data such as digital dice or D6 dice rolls
• Easy interface to generate and store backup QR codes
• Passphrase and 25-word support in BIP39
• XPUB Segwit Multisig Generation with QR code display
• Signing XPUB transactions and transferring data via animated QR codes
• Option to configure user preferences with persistence
• Bitcoin Mainnet, Testnet and Regtest Support
• Real-time verification of receiving and changing addresses
• Responsive and optimized interface for better user experience

Core Component: SeedSigner uses a specific version of the Raspberry Pi Zero (version 1.3) , without Wi-Fi or Bluetooth, which ensures that your private keys never leave the device. Communication with the wallet software is done through a secure exchange of QR codes, with encryption to ensure the integrity and security of transactions.

Compatibility: SeedSigner is fully compatible with Spectre Desktop , Sparrow Wallet , Bluewallet , Nunchuk , and Keeper .

Security and Privacy: The SeedSigner operating system is designed to minimize the attack surface by including only essential modules, ensuring a secure and private environment for managing your Bitcoin keys and transactions.

With SeedSigner , you get a practical, affordable and highly secure solution to protect your Bitcoins, with full control over your private keys and without relying on online platforms.