If you don't want to download 500GB of blockchain just to check a file, you can use the -rescan flag in command line, or use third-party tools like or Bitcoin Wallet Trawler to extract just the addresses and private keys without syncing the chain.
| Key Type | Description | |----------|-------------| | mkey | Encrypted master key (if wallet is encrypted) | | ckey | Ciphertext private key | | key | Plaintext private key (unencrypted wallets) | | tx | Transaction data | | acc | Account labels (deprecated) | | defaultkey | Default address for receiving | wallet dat
The wallet.dat file format is inherently dangerous in the modern cybersecurity landscape. If you don't want to download 500GB of
1. Backing Up and Restoring The Wallet * 1.1 Creating the Wallet. Since version 0.21, Bitcoin Core no longer has a default wallet. Backingup your wallet - Bitcoinwiki Backing Up and Restoring The Wallet * 1