Wallet Dat (2027)

Saved names and labels attached to counterparties you have transacted with. 🔒 Security and Encryption By default, the wallet.dat file created by older clients was unencrypted

The file is typically hidden in your computer's "Data Directory". wallet dat

To mitigate this, Bitcoin Core and other clients allow you to encrypt the wallet.dat file with a passphrase. Saved names and labels attached to counterparties you