Running a private key scanner on keys you do not own is:

JeanLucPons/VanitySearch: Bitcoin Address Prefix Finder - GitHub

Solving community-created "treasure hunts" that use specific, limited ranges of keys. Top Verified GitHub Projects for Scanning

The search for a "Bitcoin private key scanner" on GitHub often stems from curiosity about blockchain's mathematical limits or the hope of finding abandoned digital treasure. However, the reality of these tools is a stark contrast between educational cryptography predatory cybercrime