OpenSats Grant Fuels Bitcoin-Safe’s Secure Multisig Wallet Launch With Hardware Focus

OpenSats Grant Fuels Bitcoin-Safe’s Secure Multisig Wallet Launch With Hardware Focus
Juan Galt

Bitcoin is safeIt is an open source portfolio, a bitcoin wallet is now available, and it is designed for families, individuals and companies that seek to store a safe and long -term bitcoin. It focuses on multi -side safety and requires the portfolio of the Mainnet processes, as it distinguishes itself from other desktop wallets such as Electrum and Sparrow. With the support of the one-year OpenSats grant granted in March 2025, Bitcoin-SAFE combines strong security with the re-user interface in its latest version, 1.5.0, which was released on September 1, 2025.

Development support and OpenSats

Bitcoin-SAFE is more than two and a half years by Andreas Griffin, and Bitco-SAFE aims to simplify multiple settings and reduce dependence on electronic servers. “I started more than two and a half years ago with this portfolio and I had two goals: to make Multisig easier and not need to rely on Electrum servers,” Griffin told Bitcoin. the OpenSats Grant, which runs from March 2025 to March 2026, supports these efforts. Built on Bitcoin Dev Kit (BDK), open source wallet code Gyrroup Free Bitcoin-sfe.org/Download customers are available on Bitcoin-safe.org/download, compatible with Windows, MacOS and Linux.

Multisig, Safety of hardware wallets and control of the coin

Bitcoin-SAFE is imposed on Mainnet devices, prohibiting software seeds to relieve safety risk. “For savings, there is no way to overcome a wallet for devices,” Griffin stated, focusing on compatibility with the main devices via the QR, USB or SD card. This distinguishes Bitcoin from wallets that allow software seeds, set safety priorities for great savings and reduce “foot cannons”-features that users can easily hurt themselves.

The Wallet PDF Multisig preparation processor is born with wallet descriptions, including sending and receiving tests to verify. “After completing this processor, you can make sure it was properly prepared,” Griffin said. This guarantees reliable composition, which causes Multisig to be accessed without compromising security.

Using a NSTR protocol, the treatment and stickers of safe addresses in Bitcoin across the encrypted devices from finish to finish. “I created a protocol on the head of Nostr to connect these computers and smoothly synchronize the stickers,” Griffin noted. Multisig participants can share partial Bitcoin transactions signed (PSBTS) with one click, while storing encrypted messages for simultaneous access.

Metal currency categories are separate from funds, such as withdrawing KYC and special metal currencies, to prevent unintended transactions links. “You must choose the source of the money, so do not make it accidentally,” Griffin said.

User interface and experience

Version 1.5.0 offers a new interface, developed with @Design-R. “The designer who joined the project contributes greatly,” Griffin said. Features include a side tape for multiple portfolios, views of updated treatment and signature of PSBTS, and the Mempool visualizes that shows block data and drawings.

The portfolio adds keyboard shortcuts, tool pupils and clear error messages. Mistake repairs improve jobs, ensure access to beginners and advanced users.

Bitcoin-SAFE actual time supports 123 Fiat currencies, built into the interface. It also turns bitcoin into the values ​​of gold or silver in an ounce and gram. Mempool alerts in real time notes users of the spread of transactions. “It is the advantage of selecting existing users, canceling the subscription to the new installations,” said Griffin, with customized network settings.

Users can open multiple wallets with a single encryption password. “When multiple portfolios share the same encryption password, users need to enter only once,” Griffin explained. NOSTR feature is to chat and synchronize PSBT coordination with a distance for multiple participants.

Community and easy access

Bitcoin-SAFE supports languages ​​like English, Chinese and Spanish, with translations across blood. Users can test with TBTC, report errors or donate via Lightning or onchain. Participation occurs through Chorus.smonity and X accounts (Pitcoinsafe, PitcoinsafeCn), with documentation in Bitcoin-Safe.org.

Future development

Bitcoin-SAFE plans to integrate compact mass filters in 2025 to replace the electronic servers. Griffin said: “My plans are the replacement (Electrum servers) with compact block filters to bring Blockchain data directly from the basic contract Bitcoin,” with the aim of enhancing privacy and the independence of the server.

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