{"document_id":"BLC-STUDY-0633","slug":"farcaster-protocol","title":"Farcaster: identity contracts and off-chain messages","authors":"Farcaster","year":2022,"date_label":"2022","publisher":"Farcaster","paper_type":"Design paper","category":"Data and agents","topics":["Data and agents"],"source_url":"https://docs.farcaster.xyz/","source_label":"Farcaster docs","legacy_pdf_path":null,"sha256":null,"sha256_note":"No hash is published. This build does not store those PDF bytes, so a checksum would be invented. Where a legacy path exists, it points at the Internet Archive copy of the old library.","version":"Source cited by the 2022 study. The study is the reading. This page does not add a second essay.","doi":null,"rights_status":"Official external source only","source_status":"Official source","use_status":"Metadata and commentary only. The reading is the study page.","licence":null,"licence_label":"No licence recorded. Rights status under review.","full_text":null,"full_text_reason":"Full text is not published on this page. Public availability is not a licence to republish a document. Blockchain Lab has not recorded a licence that permits an HTML transcription, a training set, or a retrieval corpus of the paper. Text on this page is Blockchain Lab's own wording, or a pointer to a study that is also Blockchain Lab's wording.","repository":null,"editorial_line":"Farcaster publishes an identity on a settlement chain and messages stored off that chain, so a social post is not itself an Ethereum transaction.","canonical_url":"https://blockchainlab.com/whitepaper/farcaster-protocol","record_url":"https://blockchainlab.com/research/corpus/papers/farcaster-protocol","study_url":"https://blockchainlab.com/whitepaper/farcaster-protocol","last_reviewed":"2026-10-01","last_checked":"2026-10-01","relationships":[{"rel":"Canonical reading","label":"Farcaster study","href":"/whitepaper/farcaster-protocol"},{"rel":"Related paper","label":"ENS","href":"/whitepaper/ens-protocol"},{"rel":"Related paper","label":"Decentralized identifiers","href":"/whitepaper/w3c-did"},{"rel":"Related paper","label":"Lens Protocol","href":"/whitepaper/lens-protocol"}]}