What is… Sparrow-GRS?

Groestlcoin News
2 min readMar 23, 2023

Sparrow-GRS is a modern, user-friendly desktop Groestlcoin wallet application, designed to support most hardware wallets and built on common standards like PSBT (Partially Signed Bitcoin Transactions). Sparrow-GRS focuses on transparency and usability, providing users with detailed information about transactions and UTXOs (Unspent Transaction Outputs) in a manageable and accessible manner.

Unique Features

Sparrow-GRS sets itself apart by offering a fully featured transaction editor that doubles as a blockchain explorer. This functionality allows users to edit all transaction fields and inspect transaction bytes before broadcasting, ensuring greater control and understanding of the transaction process.

Key Features

  • Full support for single-sig and multi-sig wallets on common script types
  • Connection to public Electrum-GRS servers
  • Standards-based, including full PSBT support
  • Support for various hardware wallets, including KeepKey, Ledger Nano S, Ledger Nano X, Trezor Model T, and Trezor One
  • Complete coin and fee control with comprehensive coin selection
  • Labeling of transactions, inputs, and outputs • Lightweight and multi-platform compatibility
  • PayJoin support
  • Built-in Tor for increased privacy and security
  • Testnet, regtest, and signet support

License & Liability

Sparrow-GRS is licensed under the Apache License. There is no warranty, and no party shall be made liable for damages. If you lose coins due to this app, no compensation will be given. Use this app solely at your own risk.

Download Links

Source Code

For those interested in exploring or contributing to the Sparrow-GRS project, the source code is available on GitHub.