Short guides
Guides
Choose your path.
Understand
Bitcoin ideas explained from the ground up, five minutes at a time.
What is a hash?
A digital fingerprint that turns any input into a fixed-length string. Type something and watch it change.
Who holds the keys?
Wallets, private keys, and recovery phrases: what you control and what someone else controls.
Build
Inside Bitcoin: nodes, transactions, Script, and your first open-source contribution.
Your first regtest node
Run Bitcoin Core on a local network, mine your own blocks, and send your first transaction.
Anatomy of a transaction
Inputs, outputs, and signatures, read byte by byte from a real transaction.
Your first open-source contribution
How to choose a Bitcoin project, read its contribution guide, and open your first pull request.
Teach
Activities, scripts, and materials to bring Bitcoin into your classroom or community.
The hash game, with pen and paper
A 20-minute group activity to understand hashes without a computer.
Explaining inflation beyond prices
A script to show how savings lose purchasing power, with examples from everyday life.