bitcoinlabzAN INDEPENDENT KEYCHAINX RESOURCEmail@keychainx.io ↗

SMALL EXPERIMENTS. CLEAR EVIDENCE.

Understand Bitcoin.
Test one idea.

Practical experiments for curious minds. Explore backups, bytes and recovery assumptions with invented data and reproducible Python exercises.

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The experiment notebook

05 NOTES · SOURCES INCLUDED

Lab 01 · Integrity

Check what changed in a backup copy

Use a synthetic SHA-256 experiment to distinguish byte integrity from wallet validity.

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Lab 02 · Search planning

Count candidates before starting a search

A 24-candidate Python experiment shows how independent choices multiply and why counts are not recovery probabilities.

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Lab 03 · Encoding

See why identical-looking text can differ

Compare composed and decomposed Unicode strings using invented text and inspect their UTF-8 bytes.

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Field note · Bitcoin Core

Start a Bitcoin Core regtest notebook

A documentation-based first check for an isolated Bitcoin Core regtest environment, with explicit version and testing limits.

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Method · Evidence

Keep a recovery notebook that answers questions

An original worksheet for separating wallet observations, hypotheses, experiments and conclusions.

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Three original Python exercises are tested with synthetic inputs. The regtest note is documentation-based and separately labeled.