I built a Bitcoin Puzzle Solver app for Android – scans private key ranges offline

Hey Bitcoiners, I recently published a side project on Google Play – an Android app that scans private key ranges to simulate solving Bitcoin puzzles (starting from puzzle #71 and beyond). It supports both sequential and random modes, runs offline using your device’s CPU, and shows live stats while scanning. I know the odds of solving one of these puzzles are astronomically low — but this was more of a personal experiment and cryptographic curiosity. Think of it as a portable, simplified version of keyhunt — just for learning or exploring how brute-force scanning actually works.

Jun 25, 2025 - 11:31
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Hey Bitcoiners,

I recently published a side project on Google Play – an Android app that scans private key ranges to simulate solving Bitcoin puzzles (starting from puzzle #71 and beyond).

It supports both sequential and random modes, runs offline using your device’s CPU, and shows live stats while scanning.

I know the odds of solving one of these puzzles are astronomically low — but this was more of a personal experiment and cryptographic curiosity. Think of it as a portable, simplified version of keyhunt — just for learning or exploring how brute-force scanning actually works.