Surface route
Start With Bitcoin
Begin with the core concepts before moving into wallets, keys, and transactions.
Start at the surface or go deeper. Follow clear learning paths through Bitcoin fundamentals, the network, protocols, development, and the wider ecosystem.
Choose Your Path
Choose a starting point, then follow the related subjects in the knowledge index below.
Surface route
Begin with the core concepts before moving into wallets, keys, and transactions.
Harbor route
Follow custody, privacy, and security markers before sending value on your own.
Current route
Trace mining, nodes, mempools, blocks, and consensus as connected parts of the system.
Deep route
Move into Layer 2, digital assets, developer tools, and emerging protocol ideas.
Open ocean
Map the people, companies, markets, and communities moving around Bitcoin.
Knowledge Index
Open a section, scan the markers, and choose where to continue deeper.
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Featured Learning Route
Follow the path from wallet creation and signing through the mempool, miner selection, block inclusion, and confirmation.
Glossary Preview
Compact definitions for the language that appears throughout Bitcoin guides.
The waiting area where valid unconfirmed Bitcoin transactions are held by nodes before they are included in blocks.
An unspent transaction output is a discrete piece of bitcoin value that can be used as an input in a later transaction.
A measure of the total computational work miners are directing toward Bitcoin proof of work.
A transaction has a confirmation when it is included in a block, with later blocks adding more settlement depth.
Holding your own private keys so you control spending without relying on a third-party custodian.
Software that independently checks Bitcoin rules and shares valid transaction and block data with peers.