claude-dev-suite Sparrow Wallet
Java desktop Bitcoin wallet by Craig Raw. Power-user oriented: detailed UTXO control, PSBT-first, multisig, HW wallet support.
Repo: github.com/sparrowwallet/sparrow.
Features
- Single-sig + multi-sig wallets.
- HW wallet support via HWI: Trezor, Ledger, Coldcard, BitBox02, Jade, Passport, Keystone, SeedSigner, Krux, Specter DIY.
- Airgap via animated QR (BCUR), microSD.
- Multiple backends: Bitcoin Core, Electrum (electrs/Fulcrum/ ElectrumX), Bitcoin Knots.
- PSBT comprehensive editor.
- PayJoin (BIP78).
- BIP47 PayNyms support.
- CoinJoin (Whirlpool fork — limited since Samourai shutdown).
- Tor via SOCKS5 proxy.
Detailed UI
- Coin control: explicit input selection per tx.
- Transaction inspector: full PSBT, scripts, witness.
- Address verification: per-device confirmation flow.
- Wallet backups: encrypted .mnemonic / descriptor exports.
Multisig
Supports cross-vendor multisig with descriptor-based config. Excellent UX for HW wallet signing rounds.
Setup
Download installer for Mac/Windows/Linux. Configure Bitcoin Core or Electrum server in settings. Optionally enable Tor.
Compared
| Aspect | Sparrow | Specter Desktop | Electrum |
|---|---|---|---|
| Language | Java | Python + Vue | Python |
| HW wallet support | best | rich | partial |
| PSBT detail | richest | rich | basic |
| Multi-sig UX | top | top | OK |
| Mobile | no | no | yes (legacy) |
| Privacy features | strong | strong | basic |
Use cases
- Power users with mixed HW wallet setups.
- Multi-sig custody.
- Privacy-conscious workflows (PayJoin, PayNyms, Tor).
Common issues
- Java JVM: requires Java 17+; bundled installer recommended.
- CoinJoin since Samourai shutdown: Whirlpool fork has limited liquidity; some users moved to Wasabi.
- Tor connection: ensure Sparrow's Tor proxy port matches your Tor instance.