On underground forums and darknet marketplaces, there are active advertisements offering to sell wallet.dat files allegedly containing substantial Bitcoin balances. Security experts strongly warn against purchasing these files, as most are:
: Corresponding public-facing strings used to receive Bitcoin. indexofbitcoinwalletdat 2021
The stakes are extraordinarily high. Some exposed wallets have been reported to contain between (worth millions of dollars), often created during the early years of Bitcoin (2009–2011) when security practices were less mature. On underground forums and darknet marketplaces, there are