The total number of possible Bitcoin private keys is

If you want to build a scanner for (e.g., checking if a specific key you lost is valid), the steps are:

A tool for developers to find all used addresses within their own Hierarchical Deterministic (HD) wallets by scanning block data.

These datasets exist. But they are not on GitHub for free—they are traded on darknet forums or used by specialized blockchain forensic firms (Chainalysis, CipherTrace).

possible private keys; checking them all, even with a quintillion attempts per second, would take trillions of years. Legitimate Use Cases : Developers and researchers use these tools for vanity address generation

These scanners typically work by:

: Any tool claiming "100% success" or "extra quality" results in finding random funded keys is mathematically impossible and likely a scam. 4. Verified Repositories (For Research)