21 Bitcoin Street

A Secure Way to Manage Your Bitcoin

If you’re looking for a secure, open-source and user-friendly way to store and manage your Bitcoin, the Sparrow Wallet is an excellent choice.

Developed by a team of experienced Bitcoin developers and designers, Sparrow combines robust security features with an intuitive interface to provide an optimal way to control your crypto assets.

What is the Bitcoin Sparrow Wallet?

The Bitcoin Sparrow Wallet is a desktop Bitcoin wallet that allows you to securely generate, store and manage your Bitcoin private keys and transactions.

Unlike web-based wallets or exchanges which hold your private keys for you, Sparrow gives you full control and custody of your own Bitcoin.

Sparrow can connect to hardware wallet to securely sign transactions while benefiting from Sparrow’s feature-rich GUI.

Key Features of the Bitcoin Sparrow Wallet

Open source and non-custodial – You control your own private keys

Hierarchical Deterministic (HD) wallet with BIP39 seed phrase backup

Support for hardware wallets like Cold Card, Block Stream, Foundation Passport, and Keystone.

Tor support for improved privacy

Coin control for UTXO management

Descriptors for export/import

Sign messages and verify signatures

Broadcast transactions via public or personal nodes

Installing and Setting Up Sparrow

Sparrow is available for Windows, Mac and Linux operating systems.

The website provides detailed instructions, but here are the key steps:

1. Download and install Sparrow

2. On first run, Sparrow will prompt you to create a new wallet or import an existing one

3. To create a new wallet, you’ll set a wallet name and be shown a 24-word recovery seed phrase to back up

4. Secure this seed phrase – anyone with access to it can access your Bitcoin!

5. Set a wallet password and optional hardware wallet integration

6. Your Sparrow wallet is now set up to receive, send and manage Bitcoin

Receiving Bitcoin

To receive Bitcoin to your new Sparrow wallet, simply click the “Receive” tab and select “Create New Address.”

Sparrow will generate a new Bitcoin address for you that you can share to receive payments.

You can add a label to easily identify addresses.

Sending Bitcoin

To send Bitcoin, go to the “Send” tab and enter the recipient’s address and amount to transfer.

You can review details like transaction fees before finalizing. Sparrow allows specifying a target or fixed fee rate for your transaction.

Connecting a Hardware Wallet

To use a Cold Card, Block Stream, Foundation Passport, or Keystone hardware wallet with Sparrow for increased security, go to the “Server” menu and select “Connect Hardware Wallet.”

You’ll need to allow the hardware wallet to integrate with Sparrow. Once connected, any Bitcoin transactions will require confirmation and signing on your hardware device.

Your private keys will remain secure on the hardware wallet, while you can enjoy Sparrow’s desktop interface.

Advanced UTXO Management

For more advanced users, Sparrow provides robust Unspent Transaction Output (UTXO) management through the coin control feature.

This allows you to select specific UTXOs to include or exclude in transactions, useful for optimizing privacy or managing accumulated UTXO sets over time.

The Bitcoin Sparrow wallet balances strong security with an intuitive and user-friendly interface, making it an excellent option for both new and experienced Bitcoin users.

By giving you full control of your private keys while supporting hardware wallets and advanced features, Sparrow provides a rich yet streamlined way to self-custody your Bitcoin.

Maximum Bitcoin Security

The Keystone Pro 3 Bitcoin-only hardware wallet offers a unique security feature for your Bitcoin.

True air-gapped protection.

Unlike traditional hardware wallets, the Keystone Pro 3 never connects to the internet, eliminating the risk of malware stealing your transaction details.

Imagine your private keys locked away in a secure vault. That’s the essence of the Keystone Pro 3 hardware wallet.

Setting Up For Maximum Security

Ensure your Keystone Pro 3 has enough battery life.

Update your device with the latest firmware from the official Keystone website.

Install a trusted mobile wallet like Nunchuk wallet.

Open the Nunchuk wallet application and create a new multi-signature wallet.

Nunchuk supports various multi-signature configurations, such as 2-of-3 or 3-of-5.

Choose the configuration that suits your security needs.

Connect the Keystone Pro 3

When prompted during the wallet creation process, select the Keystone Pro 3 as one of the signing devices.

Follow the on-screen instructions to connect your Keystone Pro 3 to the Nunchuk wallet.

Receive and Send Bitcoin

You can now use the Nunchuk wallet to receive and send Bitcoin transactions.

When sending Bitcoin, the transaction will require the specified number of signatures from the configured signing devices (e.g., 2 out of 3 or 3 out of 5).

Sign Transactions with the Keystone Pro 3

Whenever you initiate a transaction from the Nunchuk wallet, you will be prompted to review and sign the transaction using your Keystone Pro 3 device.

Follow the on-screen instructions to approve or reject the transaction using your hardware wallet.

It’s important to note that multi-signature wallets like Nunchuk provide enhanced security by requiring multiple signatures from different devices to authorize transactions.

This reduces the risk of theft or loss in case one of the signing devices is compromised or lost.

Prioritizing Security

The Keystone Pro 3 offers a compelling solution for those seeking a secure and user-friendly digital wallet.

Its focus on advanced security protocols ensures peace of mind for even the most cautious users.

Learn more about the Keystone Pro 3.