Как проверить wallet.dat на подлинность? - Habr
If you currently use (or have ever used) Bitcoin Core, follow these steps immediately: indexofbitcoinwalletdat updated
If you own Bitcoin, your time is infinitely better spent securing your own wallet.dat , using hardware wallets, and maintaining offline, encrypted backups. If you are a security researcher, pursue responsible disclosure and bug bounties—not grey-area file harvesting. Как проверить wallet