datadictionary.org

Protocols

On-chain data protocols define how payloads are structured within OP_RETURN outputs. The protocol prefix is the routing key — it tells parsers which format to expect.

Protocol Prefix Description
AIP 15PciHG22SNLQJXMo... Author Identity Protocol. Cryptographic authorship proof attached to on-chain data.
B:// 19HxigV4QyBv3tHpQ... On-chain file storage. Content, media type, and encoding in a single OP_RETURN.
MAP 1PuQa7K62MiKCtssS... Magic Attribute Protocol. Key-value metadata in OP_RETURN outputs.