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

by Catatonic Times
September 2, 2025
in Bitcoin
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Bitcoin-Secure, an open-source Bitcoin financial savings pockets, is now out there, designed for households, people, and corporations in search of safe, long-term Bitcoin storage. Centered on multisig safety and requiring {hardware} wallets for mainnet operations, it distinguishes itself from different desktop wallets like Electrum and Sparrow. Supported by a one-year OpenSats grant awarded in March 2025, Bitcoin-Secure combines strong safety with a redesigned person interface in its newest model, 1.5.0, launched on September 1, 2025.

Growth and OpenSats Assist

Developed for over two and a half years by Andreas Griffin, Bitcoin-Secure goals to simplify multisig setups and cut back reliance on Electrum servers. “I began over two and a half years in the past with this pockets and I had two targets: to make multisig simpler and to not have to depend on Electrum servers,” Griffin advised Bitcoin Journal. The OpenSats grant, working from March 2025 to March 2026, helps these efforts. Constructed on Bitcoin Dev Equipment (BDK), the pockets’s open-source code is auditable on GitHub and installable purchasers can be found without cost at bitcoin-safe.org/obtain, suitable with Home windows, macOS, and Linux.

Multisig, {Hardware} Pockets Safety and Coin Management

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
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

Bitcoin-Secure enforces {hardware} wallets for mainnet, prohibiting software program seeds to mitigate safety dangers. “For financial savings, there may be simply no method round a {hardware} pockets,” Griffin said, emphasizing compatibility with main {hardware} units by way of QR, USB, or SD card. This units Bitcoin-Secure aside from wallets permitting software program seeds, prioritizing safety for vital financial savings and minimizing ‘foot weapons’ – options that customers can simply damage themselves with.

The pockets’s multisig setup wizard generates PDFs with pockets descriptors, together with ship and obtain checks for verification. “After you’re completed with this wizard, you’ll be able to make certain that it’s arrange appropriately,” Griffin stated. This ensures dependable configuration, making multisig accessible with out compromising safety.

Utilizing the Nostr protocol, Bitcoin-Secure syncs transaction and handle labels throughout units encrypted finish to finish. “I created a protocol on prime of Nostr to hyperlink these computer systems and synchronize the labels seamlessly,” Griffin famous. Multisig contributors can share Partially Signed Bitcoin Transactions (PSBTs) with one click on, with relays storing encrypted messages for asynchronous entry.

Coin classes separate funds, equivalent to KYC trade withdrawals and personal cash, to stop unintended transaction linkages. “It’s important to choose the supply of the funds, so that you don’t by chance hyperlink them,” Griffin stated, supporting person privateness.

Person Interface and Expertise

Model 1.5.0 introduces a brand new interface, developed with @deSign-r. “The designer who joined the undertaking actually contributes massively,” Griffin said. Options embrace a sidebar for managing a number of wallets, up to date transaction views for sending and signing PSBTs, and a mempool visualization exhibiting block and payment information.

The pockets provides keyboard shortcuts, tooltips, and clear error messages. Bug fixes enhance performance, making certain accessibility for novice and superior customers.

Bitcoin-Secure helps real-time conversion for 123 fiat currencies, built-in into the interface. It additionally converts Bitcoin to gold or silver values in ounces and grams. Actual-time mempool alerts notify customers of transaction propagation. “It’s an opt-in function for present customers, opt-out for brand new installations,” Griffin stated, with customizable community settings.

Customers can unlock a number of wallets with a single encryption password. “When a number of wallets share the identical encryption password, customers have to enter it solely as soon as,” Griffin defined. Nostr’s Chat&Sync function permits distant PSBT coordination for multisig contributors.

Group and Accessibility

Bitcoin-Secure helps languages like 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. Engagement happens by way of Refrain.group and X accounts (@BitcoinSafe, @BitcoinSafeCN), with documentation at bitcoin-safe.org.

Future Growth: Compact Block Filters

Bitcoin-Secure plans to combine compact block filters in 2025 to switch Electrum servers. “My plans are to switch [Electrum servers] with compact block filters to fetch blockchain information instantly from Bitcoin Core nodes,” Griffin stated, aiming for enhanced privateness and server independence.



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Tags: BitcoinSafesfocusfuelsGrantHardwareLaunchMultiSigOpenSatsSecureWallet
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