In 2021, a surge in cryptocurrency prices led to a massive increase in targeting individual "hot wallets". The "Index of" query specifically targets directory listings—pages where a web server displays all files in a folder because a default index.html page is missing. Target File wallet.dat is the default filename for the Berkeley DB
The high value of these files made them prime targets for hackers. Search queries like "indexofwalletdat 2021" became tools for malicious actors to scan the web for unencrypted or poorly secured wallet files. Security Lessons and the Shift to Cold Storage Digital Currencies | Explainer | Education | RBA indexofwalletdat 2021
Professional bots now scan the entire internet for these files in seconds. If a real, unencrypted wallet is exposed, it is drained by a bot long before a human ever sees it in a search result. The Verdict In 2021, a surge in cryptocurrency prices led
to locate these directories and download exposed wallets. The "2021" suffix likely refers to specific leaks or collections of files discovered or indexed during that year. Security Implications Theft Risk wallet.dat Search queries like "indexofwalletdat 2021" became tools for
Another disturbing trend is the open sale of stolen or corrupted wallet.dat files on the dark web. While many of these files are deliberately corrupted by scammers, some are legitimate and can be cracked. For example, hackers have successfully cracked old wallets from the early days of Bitcoin (2009-2011), emptying them of their contents. However, experts strongly warn against buying such files, as most are traps planted by criminals to distribute malware.
How to Find a Lost wallet.dat File on Your Computer - Datarecovery.com