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The durable part of Off-Chain Media. Definitions, explainers, maps and the methods behind them, kept apart from the news so they stay easy to find.
Glossary
79 Bitcoin terms defined in a few lines each, from UTXO to VTXO, with links to the articles and charts where they matter.
A few terms
Maps and data
Two interactive maps and daily charts, each with an editorial reading.
Methods
How our tools are built, what they rely on, where they stop and how to report an error.
Explainers
Our reference articles on Bitcoin and each of its layers. Start here if a name on the map means nothing to you yet.
What are Ordinals, Runes, and other inscriptions on Bitcoin?
What is a Drivechain, and why does it divide the Bitcoin community so much?
What Is Bitcoin? The Digital Currency Challenging Gold and Central Banks
What is BitVM? The protocol that enables Layer 2 rollups on Bitcoin
What is Citrea? The Bitcoin rollup powered by BitVM?
What Is E-Cash? David Chaum’s Confidential Transaction Protocol on Bitcoin
What Is Liquid Network? How L-BTC Works and Its Limits
What is Nostr? Everything you need to know about this protocol dedicated to decentralized social networks
What is RGB, the ultra-scalable and highly confidential Bitcoin Layer 2?
What is Rootstock? The Bitcoin sidechain for smart contracts
What is Spark? The Bitcoin Layer 2 behind the new wave of self-custodial wallets
What is the Ark protocol? The missing piece to make Bitcoin a scalable everyday currency
