Wallet.dat | Bitcoin Core

The Complete Guide to Bitcoin Core’s Wallet.dat: Storage, Security, and Recovery

Restoring without a backup (using seed phrase):

It depends.

What encryption does NOT protect against:

The Vault: Understanding, Locating, and Securing Your Bitcoin Core wallet.dat

Address Book:

Labels and entries you have saved for frequent contacts. Default Storage Locations

When you install Bitcoin Core and create a new wallet, the software generates a file named wallet.dat in its data directory. This file contains: Bitcoin Core Wallet.dat

That power comes with responsibility. Treat wallet.dat like a stack of physical gold bars. Encrypt it. Back it up. Keep it offline when possible. And never, ever lose your passphrase. The Complete Guide to Bitcoin Core’s Wallet

• Bitcoin Core supports encrypting wallet.dat with a passphrase (recommended).
• Encryption protects keys at rest but not against an attacker who can capture the passphrase.
• Always use a strong, unique passphrase and consider hardware wallets for large balances.