Category Hub

Building on Bitcoin

Building on Bitcoin covers systems that use Bitcoin transactions, scripts, settlement, data, or software without becoming interchangeable with Bitcoin itself. This hub organizes sixteen guides across Layer 2, Digital Assets, Development, and Innovation so readers can identify what Bitcoin validates, what additional components do, and which trust, custody, data, and maturity assumptions remain outside Bitcoin consensus.

  • 4 subcategories
  • 16 guides
  • Layer 2 → Innovation
  • Reviewed 2026-07-28

Preview only. Guide cards and navigation remain inactive because published destinations and confirmed URLs do not exist.

Layer 2

MSC-GUIDE-033

How the Lightning Network Works

Follow Lightning from channel funding and commitment states through HTLC routing, revocation, liquidity, fees, watch requirements, implementation differences, and Bitcoin-enforced channel closure.

  • Shallow
  • Explainer
  • 14 to 17 minutes

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MSC-GUIDE-034

What Is Ark on Bitcoin?

Examine Ark and current Arkade architecture through VTXOs, operator-coordinated rounds, liquidity, expiry, unilateral exits, data retention, preconfirmation, and the project's alpha maturity.

  • Deep
  • Technical Analysis
  • 20 to 24 minutes

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MSC-GUIDE-035

How RGB Works on Bitcoin

Learn how RGB uses single-use seals, Bitcoin commitments, consignments, client-side validation, contract schemas, wallet integration, and versioned software without making RGB state part of Bitcoin consensus.

  • Deep
  • Technical Analysis
  • 16 minutes

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MSC-GUIDE-036

Bitcoin Sidechains Explained

Compare separate-chain security, two-way peg designs, federation and functionary control, merged-mining relationships, bridge exits, and proposal status across major sidechain models.

  • Deep
  • Comparison
  • 15 minutes

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Digital Assets

MSC-GUIDE-037

What Are Bitcoin Ordinals?

Separate Bitcoin's transaction and satoshi data from ordinal numbering, rarity conventions, indexer state, wallet handling, transfers, reorganization behavior, and current ord implementation rules.

  • Deep
  • Technical Analysis
  • 16 to 19 minutes

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MSC-GUIDE-038

How the Runes Protocol Works

Trace Runes through runestones, etching, minting, edicts, cenotaph handling, balances, burns, ordering, and indexer interpretation while keeping native bitcoin and application-defined assets distinct.

  • Deep
  • Technical Analysis
  • 17 to 20 minutes

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MSC-GUIDE-039

What Is BRC-20 on Bitcoin?

Understand BRC-20 as an experimental inscription and indexer convention, including deploy, mint, transfer, balance reconstruction, historical rule differences, and implementation divergence.

  • Deep
  • Technical Analysis
  • 16 to 19 minutes

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MSC-GUIDE-040

What Is a Bitcoin Inscription?

Follow inscription data through Taproot witness envelopes, commit and reveal transactions, content parsing, fees, pruning, indexers, wallet controls, provenance, and limits on permanence.

  • Deep
  • Technical Analysis
  • 15 to 18 minutes

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Development

MSC-GUIDE-041

Bitcoin Developer Tools: A Practical Overview

Map a Bitcoin development stack across validating nodes, interfaces, test networks, libraries, descriptors, PSBTs, hardware signers, wallets, indexers, testing, and dependency review.

  • Deep
  • Technical Analysis
  • 19 to 23 minutes

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MSC-GUIDE-042

How Bitcoin Wallet Integrations Work

Design wallet integrations across custody, descriptors, synchronization, UTXO tracking, transaction construction, external signing, broadcast, confirmation, rollback, recovery, authorization, and privacy.

  • Deep
  • Technical Analysis
  • 21 to 25 minutes

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MSC-GUIDE-043

Bitcoin APIs Explained

Compare Bitcoin Core RPC, REST, ZMQ, P2P, Electrum, Esplora, Lightning, and hosted interfaces through authentication, units, source evidence, retries, caching, privacy, and reorganization handling.

  • Deep
  • Technical Analysis
  • 19 to 23 minutes

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MSC-GUIDE-044

How Bitcoin Indexers Work

Separate chainstate and optional Bitcoin Core indexes from external address, script, wallet, explorer, and application indexes, then examine rollbacks, rebuilds, pruning, consistency, and privacy.

  • Deep
  • Technical Analysis
  • 21 to 25 minutes

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Innovation

MSC-GUIDE-045

What Is BitVM?

Examine BitVM as experimental off-chain computation and Bitcoin dispute verification, including provers, challengers, transaction graphs, bridges, proof systems, data availability, audits, and developer-preview maturity.

  • Deep
  • Technical Analysis
  • 16 to 19 minutes

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MSC-GUIDE-046

How Discreet Log Contracts Work

Follow DLC negotiation through oracle announcements, event descriptors, funding, adaptor signatures, CETs, refunds, multi-oracle assumptions, fee planning, privacy, interoperability, and current implementation limits.

  • Deep
  • Technical Analysis
  • 17 to 20 minutes

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MSC-GUIDE-047

What Is OP_CAT?

Learn the proposed byte-concatenation rule, current legacy and Tapscript behavior, OP_SUCCESS126, BIP 347 status, soft-fork activation boundaries, cited applications, and resource limits.

  • Deep
  • Technical Analysis
  • 16 to 19 minutes

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MSC-GUIDE-048

Emerging Protocols on Bitcoin: How to Evaluate Them

Apply a repeatable framework for classifying artifacts, enforcement, custody, state, data availability, exits, cryptography, economics, code maturity, interoperability, governance, and evidence quality.

  • Deep
  • Technical Analysis
  • 20 to 23 minutes

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