Private keys (the "keys to the kingdom"), public addresses, and metadata.
Never send your wallet.dat file to someone online. If they have the file and you use a weak password, they can steal your funds. old walletdat hot
If you’ve confirmed a balance, follow these steps to secure your funds. Phase 1: Create a Sandbox Make three copies of the wallet.dat file. Private keys (the "keys to the kingdom"), public
You don't need the private key just to see the balance. You can use tools like Pywallet to dump the public addresses contained within the file without needing a password. Step 2: Use a Blockchain Explorer old walletdat hot