Lightning Talk: Bitcoin mining on Python
summary
Shows a concrete Python implementation using hashlib (md5 for demo, double SHA-256 for Bitcoin) that iterates a numeric nonce and recomputes the header hash until the value is below a target. Demonstrates brute force runs: 55 million iterations for a toy header (three solutions in 1m10s on one seed, none on another), starting nonce ≈850 million finds a real target in ~25s. Notes performance: Python ≈hundreds of thousands of hashes/sec versus ASICs at gigahashes/sec, and builds Merkle roots by pairwise SHA-256 hashing.
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