Brainwallet Generator

Generate Bitcoin addresses securely in your browser. Your keys never leave your device.

Use a strong, unique passphrase. Never use common phrases or quotes.
Toggle Key

Chains

Generate deterministic wallet chains using Armory or Electrum methods.

   

Transactions

Build and sign Bitcoin transactions directly in your browser.

BTC
 
BTC
 
BTC
 

Converter

Convert between different encoding formats for Bitcoin keys and data.

  
  

Sign Message

Cryptographically sign messages with your Bitcoin private key.

  

Verify Message

Verify cryptographically signed messages from Bitcoin addresses.


What is Brainwallet Checker?
Brainwallet Checker is a website offering tools for Bitcoin users, including a Brainwallet Generator, functionalities for viewing chains, checking transactions, converting formats, and signing and verifying.
How does the Brainwallet Generator work?
The Brainwallet Generator allows users to create a Bitcoin address from a passphrase, secret exponent, or a private key. It also offers options for point conversion (uncompressed and compressed) and provides the resulting address along with a QR code.
Can I view Bitcoin chain details on this site?
Yes, the website provides functionalities for viewing Bitcoin chains and transaction details.
What is the purpose of the Converter tool on Brainwallet Checker?
The Converter tool is designed to help users convert various formats related to Bitcoin keys and addresses.
Are there options to Sign and Verify transactions on Brainwallet Checker?
Yes, the website includes options to Sign and Verify, adding an extra layer of security and verification for Bitcoin transactions.
Are brainwallets hackable?
Brainwallets, which are Bitcoin wallets generated from a passphrase, are potentially vulnerable to hacking if the passphrase is not complex and unique enough. Since they rely on human-generated passphrases, if these are simple or common, they can be guessed or brute-forced by attackers.