Sparrow Wallet

What Sparrow Wallet does

Sparrow Wallet is a free, open-source Bitcoin-only desktop wallet project emphasizing financial self-sovereignty, transaction transparency, and privacy. The core product, Sparrow Desktop, is a Java/Drango-based application distributed for macOS, Windows, and Linux (Intel/AMD and ARM64), with a separate headless "Sparrow Server" build for systems without displays. Sparrow connects to the Bitcoin network via public Electrum servers, a user-run Bitcoin Core node (local or remote, RPC-authenticated), or a private Electrum server (ElectrumX, Electrs, Fulcrum, Electrs-esplora, EPS, BWT), and supports single-signature and multi-signature wallets across common script types using output descriptors and full PSBT interoperability. It integrates with the major hardware wallets (Coldcard, Trezor, Ledger, Jade, BitBox02, Cobo Vault, SeedSigner, Foundation Passport) in USB-connected and airgapped modes using QR fountain codes (UR standard), and exposes built-in Tor, BIP47/PayNym, fake and collaborative coinjoins, NFC card readers (Tapsigner/Satscard), and a transaction editor that doubles as a private blockchain explorer.

The business model is non-commercial: Sparrow charges no fees and has no subscription, licensing, or transaction revenue; the About page states the software "will always be open source and free to use." Operating costs are covered by voluntary donations processed through BTCPay Server (on-chain Bitcoin, Lightning, and PayNym). The project is maintained primarily by a single builder, Craig Raw, and supported by an open community of donors and contributors on GitHub, Telegram, and X. Distribution is purely self-serve through GitHub releases and sparrowwallet.com/download, with documentation, video tutorials, and community channels functioning as the de facto support and onboarding infrastructure. The user base spans Bitcoin self-sovereignty enthusiasts across beginner, intermediate, and expert stages, with no enterprise segment and no named institutional customers.

Name

Sparrow Wallet

Legal name

Sparrow Wallet

Website

https://sparrowwallet.com

Company type

Private

Founded year

2018

Operating status

Operating

Headcount range

11–50 employees

Short description

Sparrow Wallet is a free, open-source, Bitcoin-only desktop wallet for users who prioritize financial self-sovereignty, offering full transaction transparency, multisig, hardware wallet integration, Tor, coinjoin, and PayNym/BIP47 privacy features.

Ownership category

akta.pro rank

Product category

Bitcoin Wallet Software

SIC

Finance Services (6199)

akta.pro primary industry

Self-Custody Wallets (EOA, seed phrase, HD wallets) (FSAPACAA)

akta.pro secondary industry

Self-Custody Wallets (Consumer & Institutional) (FSADACAE)

Keywords

• Bitcoin wallet software
• Non-custodial wallet
• Multisig wallet
• Hardware wallet integration
• Bitcoin privacy tools

GTM type

B2C

Offering type

Software

Cost components

Personnel, Technology or R&D, Infrastructure, Operations

Revenue model

1. Donations: Sparrow is completely free and open source with no revenue-generating products or services. The project accepts donations via on-chain Bitcoin, Lightning Network, and PayNym on its Donate page using BTCPay Server. No subscription, licensing, or transaction fees are charged.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels6 records

Core offering

Sparrow Wallet is a free, open-source Bitcoin-only desktop wallet application that provides self-sovereign storage, transaction management, and UTXO/coin control for individual users. It connects to public Electrum servers, private Electrum servers, or direct Bitcoin Core nodes; supports single-signature and multi-signature wallets across common Bitcoin script types; integrates with hardware wallets (Coldcard, Trezor, Ledger, Jade, BitBox02, Cobo Vault, SeedSigner) via USB and airgapped modes; and offers privacy tooling including built-in Tor, BIP47 PayNym reusable payment codes, and fake and collaborative coinjoins. A separate Sparrow Server headless build is available for display-less systems.

Product overview

Sparrow Wallet is a Bitcoin-only desktop wallet application that provides a comprehensive platform for managing Bitcoin transactions and wallets. The core product is Sparrow Desktop, a full-featured desktop application available for macOS, Windows, and Linux, with a separate Sparrow Server build for headless systems. The platform centers around a transaction editor that functions as a blockchain explorer, differentiating it from simpler wallet applications. Sparrow supports single signature and multi-signature wallets with all common script types, integrates with hardware wallets (Coldcard, Trezor, Ledger, Jade, BitBox02, Cobo Vault, Seedsigner) in both USB and airgapped modes, and connects to Bitcoin Core nodes or Electrum servers (ElectrumX, Electrs, Fulcrum). Privacy features include built-in Tor, CoinJoin/fake coinjoin transactions, and PayNym/BIP47 payment code support. The application uses Argon2 password hashing and AES-256-GCM encryption, and is licensed under Apache 2.0.

Differentiator

Problem solved

Functional benefit

Brands

• Sparrow Desktop: The fully featured desktop application for Sparrow Wallet.
• Sparrow Server

Quantifiable outcome

• Fake coinjoin transactions add ambiguity about fund ownership, making blockchain analysis less effective at tracing transaction graph.
• +1 more outcomes

Segments2 records

Ideal customer profiles1 record

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration18 records

Feature13 records

Partnerships

Three partnerships are on record, tiered core.

• Bitcoin CorecoreTechnology or IntegrationBitcoin Core is the reference Bitcoin node implementation. Sparrow can connect directly to Bitcoin Core nodes (local or remote) as an alternative to Electrum servers, providing users with full privacy when running their own node. This is a foundational integration for the wallet's privacy journey narrative.
• Electrum Server Implementations (ElectrumX, Electrs, Fulcrum)coreTechnology or IntegrationSparrow connects to Electrum servers using the Electrum server protocol. It officially supports ElectrumX, Electrs, Fulcrum, Electrs-Esplora, EPS, and BWT implementations over SSL and Tor. The project's own Server Performance documentation benchmarks these implementations and recommends Fulcrum as the ideal server to pair with Sparrow.
• Hardware Wallet Manufacturers (Coldcard, Trezor, Ledger, Jade, BitBox02, Cobo Vault, SeedSigner, Foundation Passport)coreTechnology or IntegrationSparrow supports all common hardware wallets in both USB-connected and airgapped modes. Supported devices include Coldcard, Trezor, Ledger, Jade, BitBox02, Cobo Vault, SeedSigner, and Foundation Passport. Integration methods include USB, SD card file import for airgapped setups, and QR codes using UR standard fountain codes.

Scale indicators4 records

Recent moves6 records

Expansion highlights4 records

Direct peers

• BlueWallet: Open-source Bitcoin wallet focused on Lightning and on-chain, available across desktop and mobile. Targets a similar self-custody audience with a broader platform footprint, putting competitive pressure on Sparrow's desktop-only positioning.
• Wasabi Wallet: Open-source Bitcoin desktop wallet with a strong focus on CoinJoin-based privacy and Tor routing. Competes for the same privacy-conscious self-sovereignty segment and shares the desktop, open-source, donation/fee-funded model.
• Electrum: Long-standing open-source Bitcoin desktop wallet that Sparrow explicitly interoperates with and supports for wallet import/export. Both target power users, hardware-wallet pairing, and self-custody, and both connect to Electrum servers — making Electrum the most direct head-to-head competitor.
• Samourai Wallet: Privacy-focused Bitcoin wallet with Whirlpool CoinJoin, Stonewall, BIP47/PayNym, and Tor support — many of the same primitives Sparrow ships. Direct competitor for privacy-centric self-custody users despite being mobile-first.

Broad incumbents

• Ledger Live: Companion application for Ledger hardware wallets with growing on-chain transaction and coin-control features. Competes for the same hardware-wallet-paired, self-custody segment with much broader consumer reach.
• Trezor Suite: Desktop and browser wallet suite from the Trezor hardware-wallet vendor. Shares Sparrow's desktop, hardware-wallet-centric, self-custody posture, with significantly larger distribution and funding.
• Bitcoin Core: Reference Bitcoin implementation that includes its own wallet with coin control and PSBT workflows. Sparrow integrates with Bitcoin Core for node connectivity and competes for users who might otherwise rely solely on Core's built-in wallet.

Emerging players

• Nunchuk: Collaborative-custody Bitcoin wallet with strong multisig and PSBT workflows. Comparable to Sparrow for advanced users managing multisig setups, with a more collaborative-custody framing.
• Cake Wallet: Open-source, multi-asset wallet with strong privacy features including Tor and integrated exchange/swap. Competes in the open-source self-custody space across platforms, though focused on Monero/XMR in addition to BTC.
• Blockstream Green: Bitcoin wallet from Blockstream available on mobile and desktop with hardware-wallet integration. Overlaps with Sparrow on self-custody and hardware pairing, but is backed by a well-capitalized infrastructure company.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/SparrowWallet
• GitHubgithub.com/sparrowwallet/sparrow

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Sparrow Wallet