Developer Releases Offline Bitcoin Wallet Using Draft Threshold Cryptography Standards
Developer Oleg Fomenko has released an open-source, offline wallet for Bitcoin (BITSTAMP:BTCUSD) that operates entirely within a single HTML file. The software, named frost-wallet, allows users to set up joint custody arrangements where multiple participants hold key shares. A specified threshold of these participants must cooperate to sign and authorize transactions, ensuring that no single person holds the complete private key.
The application is built using Rust compiled to WebAssembly and paired with JavaScript, allowing it to run without any server, network connection, or cloud communication. Users can manage key creation and transaction signing entirely on air-gapped computers, passing information between devices using QR codes, plain text, or files.
This release is designed for developers and technical users to experiment with draft Bitcoin cryptographic standards, specifically ChillDKG and FROST signing. Because these underlying protocols remain draft proposals and the wallet has not undergone a formal security audit, it is not yet intended for widespread use. Meanwhile, Bitcoin fell 2.14% today to trade at $81,490.
Key points
- Developer Oleg Fomenko released frost-wallet, an open-source Bitcoin wallet that runs offline inside a single HTML file.
- The wallet supports joint custody setups where a set threshold of participants must cooperate to sign transactions.
- Key creation and signing can occur on air-gapped devices using QR codes, files, or plain text to pass messages.
- The software relies on draft cryptographic proposals and has not yet undergone a formal security audit.
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How we writeDisclaimerQuestions and answers
What is frost-wallet?
It is an open-source, offline Bitcoin wallet that runs inside a single HTML file and supports threshold Schnorr signatures for joint custody.
Is the new offline Bitcoin wallet safe to use?
The software has not undergone a formal security audit, and its underlying cryptographic protocols are still draft proposals that could change. It is currently intended for developers and technical testing.
How do users sign transactions with frost-wallet?
Participants and a coordinator pass messages back and forth using QR codes, plain text, or files, allowing the entire process to happen on air-gapped machines.