There is a niche market for "wallet.dat" files sold by "hunters" who claim the files contain lost Bitcoin or other cryptocurrencies. Buyers often load these files onto a computer connected to the internet (a environment) to check the balance.
An old wallet.dat is essentially a bearer instrument. Treat it like you found a pile of cash on the sidewalk. Don't flash it around, don't bring it into a crowded room (the internet), and secure it in a vault immediately. old walletdat hot
To protect yourself from the risks associated with old wallet.dat files: There is a niche market for "wallet
Right-click the file > Properties. If the "Created" date is between 2009 and 2014, your pulse should quicken. The earlier the date, the higher the potential reward. the higher the potential reward.