Work: Wallet Dat

: Consider using flame-retardant paper and storing the result in a tamper-evident bag or a black envelope to prevent scanning through the paper. Paper Wallets — A Relic of the Past | by Oliver Benton

Bitcoin Core automatically creates this file in the default data directory upon installation: %APPDATA%\Bitcoin\ macOS: ~/Library/Application Support/Bitcoin/ Linux: ~/.bitcoin/ Why You MUST Backup Your wallet.dat The wallet.dat file is vulnerable to several risks: wallet dat

The addresses where your Bitcoin is stored. : Consider using flame-retardant paper and storing the

Extracting your private keys loads them into your computer's memory in plain text. If your computer is infected with malware at that moment, your funds will be stolen. This procedure should only be performed on an air-gapped (offline), trusted, and clean computer. If your computer is infected with malware at

: Make it a habit to back up your wallet.dat file regularly. For Bitcoin Core, it is generally recommended to create a new backup every time you receive a transaction or at least every time the keypool is exhausted (which is roughly every 100 addresses).

It is easy to accidentally delete the file during computer maintenance. How to Properly Backup Never trust a single copy of your wallet.