{"document_id":"BLC-STUDY-0706","slug":"cosmos-sdk","title":"The Cosmos SDK: an application framework on CometBFT","authors":"Interchain contributors","year":2019,"date_label":"2019","publisher":"Interchain contributors","paper_type":"Design paper","category":"Consensus","topics":["Consensus"],"source_url":"https://docs.cosmos.network/","source_label":"Cosmos SDK documentation","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 2019 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":"The Cosmos SDK is the application framework that turns a state machine into a chain on top of CometBFT-style consensus. The Cosmos white paper is the interchain thesis. This is the framework.","canonical_url":"https://blockchainlab.com/whitepaper/cosmos-sdk","record_url":"https://blockchainlab.com/research/corpus/papers/cosmos-sdk","study_url":"https://blockchainlab.com/whitepaper/cosmos-sdk","last_reviewed":"2026-10-01","last_checked":"2026-10-01","relationships":[{"rel":"Canonical reading","label":"Cosmos SDK study","href":"/whitepaper/cosmos-sdk"},{"rel":"Related paper","label":"Cosmos","href":"/whitepaper/cosmos"},{"rel":"Related paper","label":"CometBFT","href":"/whitepaper/cometbft-spec"},{"rel":"Related paper","label":"IBC","href":"/whitepaper/ibc"}]}