UNDERSTAND BITCOIN
Understand Bitcoin, transactions and what owning your assets really means.

Understand.Own.Protect.
Understand what you own. From Bitcoin to your seed phrase, learn how self-custody works, step by step.
01 — 05
From Bitcoin to protecting your seed, progress step by step towards genuine autonomy.
Understand Bitcoin, transactions and what owning your assets really means.
Learn the role of a wallet, custody models and what a hardware wallet actually does.
Understand BIP39, entropy, checksum and wallet recovery.
Protect recovery material against loss, theft, damage and human error.
Passphrases, derivation, multisig, inheritance and threat models.
FUNDAMENTALS
Clear mental models, practical exercises and precise visuals help you understand every responsibility before you take custody.
BEGIN WITH BITCOIN
WALLET & SELF-CUSTODY
Understand how a seed phrase derives your keys, addresses and wallet, without ever becoming an address or an account itself.
UNDERSTAND YOUR WALLET
HARDWARE WALLET
Discover what a hardware wallet really protects, how a transaction is signed and why the private key never needs to leave the device.
UNDERSTAND THE HARDWARE WALLET
BIP39
Entropy, binary, checksum and the BIP39 list: discover what is really behind a seed phrase.
UNDERSTAND BIP39
PROTECTION LEVELS
Compare the distinct roles of a software wallet, a hardware wallet and a physical backup — without confusing convenience, signing and recovery.
COMPARE SECURITY LEVELS
SELF-CUSTODY
Funds can be held for you by a platform or controlled directly with your own keys. Understand the practical responsibilities of each model, without shortcuts or alarmism.
UNDERSTAND SELF-CUSTODY
QUICK TOOLS
Use focused, local-first tools to turn abstract concepts into knowledge you can verify.

SECURITY
Recognise the ordinary mistakes that can expose a seed, then build a protection strategy suited to your risks.
AVOID SECURITY MISTAKES