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

Bitcoin-SafeAn open-source Bitcoin financial savings portione is now obtainable, designed for households, personal people and firms who’re on the lookout for secure, long-term Bitcoin storage. Targeted on multisig safety and people {hardware} portfolios require for Mainnet, it distinguishes itself from different desktop portfolios comparable to Electrum and Sparrow. Bitcoin-Protected, supported by an OpenSATS subsidy from OpenSats, combines strong safety with a redesigned consumer interface in its newest model, 1.5.0, launched on 1 September 2025.

Growth and open assist assist

Bitcoin-Protected has been developed by Andreas Griffin for greater than two and a half years and desires to simplify multisig-setups and scale back the dependence on electrical servers. “I began this pockets greater than two and a half years in the past and I had two targets: to make multisig simpler and to not depend on Electrum Servers,” Griffin advised Bitcoin Journal. The Open Grant, who runs from March 2025 to March 2026, helps these efforts. Constructed on Bitcoin Dev Equipment (BDK), the open-source code of the pockets is auditable Gitub And installable purchasers can be found without cost on Bitcoin-Protected.org/obtain, appropriate with Home windows, MacOS and Linux.

Multisig, {hardware} pockets safety and mint management

Bitcoin-Protected maintains {hardware} portfolios for MAINNET and forbids software program seeds to scale back safety dangers. “For financial savings there may be merely no strategy to have a {hardware} pockets,” Griffin defined and emphasised the compatibility with giant {hardware} units by way of QR, USB or SD card. This distinguishes Bitcoin-Protected from portfolios that make software program seeds doable, prioritize safety for appreciable financial savings and minimizing ‘foot weapons’ features that customers can simply damage themselves.

The Multisig Setup wizard of the pockets generates PDFs with pockets descriptors, together with sending and receiving checks for verification. “After you have got completed this wizard, you’ll be able to ensure that it has been set accurately,” mentioned Griffin. This ensures dependable configuration, making multisig accessible with out endangering safety.

With the assistance of the NOSTR protocol, Bitcoin-Protected transaction and deal with labels synchronize between units encrypted end-to-end. “I made a protocol on prime of NOSTR to hyperlink these computer systems and seamlessly synchronize the labels,” Griffin famous. Multisig individuals can share partially signed Bitcoin transactions (PSBTs) with one click on, with relay that save coded messages for asynchronous entry.

Coin classes separate funds, comparable to KYC recordings and personal cash, to forestall unintended transaction ties. “You will need to choose the supply of the funds in order that you don’t by accident hyperlink them,” mentioned Griffin, to assist customers’ privateness.

Consumer interface and expertise

Model 1.5.0 introduces a brand new interface, developed with @Design-r. “The designer who grew to become a member of the undertaking actually contributes en masse,” mentioned Griffin. Capabilities embody a sidebar for managing a number of portfolios, up to date transaction boats for sending and signing PSBTs and a mempool visualization with block and reimbursement information.

The pockets provides shortcut keys, software ideas and alternating error experiences. Bugfixes enhance the performance and guarantee accessibility for beginning and superior customers.

Bitcoin-Protected helps real-time conversion for 123 Fiat currencies, built-in within the interface. It additionally converts Bitcoin into gold or silver values ​​in us and Gram. Actual-time mempool warnings inform customers of transaction fever planting. “It’s an opt-in operate for present customers, opt-out for brand spanking new installations,” mentioned Griffin, with adaptable community settings.

Customers can unlock a number of portfolios with a single coding password. “When a number of portfolios share the identical coding password, customers solely need to enter it as soon as,” Griffin defined. Nostr’s Chat & Sync operate makes exterior PSBT coordination doable for multisig individuals.

Neighborhood and accessibility

Bitcoin-Protected helps languages ​​comparable to English, Chinese language and Spanish, with translations by way of Weblate. Customers can take a look at with TBTC, report bugs or donate by way of lightning or onchain. Involvement takes place by way of Refrain.Neighborhood and X Accounts (@Bitcoinsafe, @Bitcoinsafecn), with documentation on Bitcoin-Protected.org.

Future improvement: compact block filters

Bitcoin-Protected is planning to combine compact block filters in 2025 to switch Electrum Servers. “My plans are to switch [Electrum servers] With compact block filters to choose up blockchain information straight from Bitcoin nodes, “mentioned Griffin, geared toward improved privateness and server dependence.