One lucky person gets the full prize. Bitcoin puzzle 66, 67 and 68 are supported.
I strongly advise against downloading and running precompiled binaries from unfamiliar sources. Without open-source code, there's no way to verify what a program is doing behind the scenes.
Malicious software could potentially spy on your system, accessing your hard drive or RAM, and extracting sensitive data like passwords or wallet files to remote servers. Always avoid running .dll or .exe files from untrusted origins. Ultimately, the decision of whom to trust is yours, but consider this a friendly warning.
Once the public key for Puzzle 66 is revealed, it will be cracked by a simple bot within 63 seconds.
I'm not sure whether the person involved will be celebrating or crying in the next 20 minutes