This works on wallets using Berkeley DB (BDB) format, which is the "top" legacy structure for most wallet.dat files pre-2018.
: You will typically use a command line (Python) to run the extractor against the file. python bitcoin2john.py wallet.dat > hash.txt Format the output : If using , ensure the hash starts with the correct identifier (e.g., extract hash from walletdat top
: The script often requires the bsddb3 Python library to read the Berkeley DB format used by older wallets. This works on wallets using Berkeley DB (BDB)
(e.g., Hashcat or JTR) do you plan on using for this hash? It is highly recommended to work on a wallet
: A more modern set of Extract Scripts that supports various wallet versions, including newer "descriptor" wallets.
: Ensure you have Python installed. It is highly recommended to work on a wallet.dat file in a dedicated folder to avoid accidental corruption. Run the command : Open a terminal or command prompt in that folder and run: python bitcoin2john.py wallet.dat > hash.txt Use code with caution. Copied to clipboard