Protocol documentation for Atomicals and ARC-20 on Bitcoin: specification, guide, indexer reference, test vectors, and a client-side transfer simulator.
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Updated
Sep 4, 2026 - HTML
Protocol documentation for Atomicals and ARC-20 on Bitcoin: specification, guide, indexer reference, test vectors, and a client-side transfer simulator.
Archived: final public documentation for the Dogecoin TAP indexer. Preserved API contract and README. Replaced by the TAP on Doge protocol documentation.
Independent Rust and PostgreSQL verifier for Tandem
Create and evolve a Bitcoin-native object together, with shared control and prepared recovery.
Witness Circles (WITC): a Bitcoin protocol for membership records established by mutual witnessing. Specification, reference implementation and documentation.
Independent Bitcoin Core indexer for the Witness Circles protocol
Tokens with Bitcoin at their core. Discover the DUST-20 satoshi-linked asset experience.
ALKANES metaprotocol Rust implementation
Mezcal protocol documentation: a fungible token protocol carried as UTF-8 JSON in a Bitcoin OP_RETURN. Specification, guide, indexer semantics, test vectors, and a payload validator.
TAP protocol documentation for Bitcoin mainnet: specification, guide, reference, test vectors and a client side payload validator.
Shared GitHub Actions for Universe CI. No secrets, no account identifiers.
Tandem Pipeline A indexer, API, and signed agreement service
BRC-20 protocol documentation: specification, guide, indexer reference, test vectors, and a client-side payload validator.
Claim names, build identity, and grow onchain stories with SRC-101.
User documentation for Universe Wallet, the self-custody browser wallet for Bitcoin digital artifacts
OP_DROP: a Bitcoin data carrier that pushes a payload into a Taproot leaf script and drops it from the stack. Specification, test vectors, and a client-side decoder.
Protocol documentation for Runes, the UTXO-native fungible token protocol on Bitcoin: specification, guide, reference, test vectors, and a runestone decoder.
Protocol documentation for TAP on Dogecoin mainnet: specification, guide, indexer semantics, test vectors, and a client-side payload validator.
A block and mempool explorer for Bitcoin, Dogecoin, and Zcash that also reads the asset protocols carried on them. Shows exactly which outputs carry which assets, with first-party evidence and a stated block for every claim. Self-hostable, AGPL, no trackers.
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