{"document_id":"BLC-STUDY-0745","slug":"sovereign-sdk","title":"Sovereign SDK: a toolkit for rollups with replaceable DA and proof","authors":"Sovereign Labs","year":2023,"date_label":"2023","publisher":"Sovereign Labs","paper_type":"Design paper","category":"Scaling","topics":["Scaling"],"source_url":"https://github.com/Sovereign-Labs/sovereign-sdk","source_label":"Sovereign SDK repository","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 2023 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":"https://github.com/Sovereign-Labs/sovereign-sdk","editorial_line":"The Sovereign SDK publishes a toolkit for building a rollup whose data-availability layer and proof system are modules, not a single chain's hard-wired choice.","canonical_url":"https://blockchainlab.com/whitepaper/sovereign-sdk","record_url":"https://blockchainlab.com/research/corpus/papers/sovereign-sdk","study_url":"https://blockchainlab.com/whitepaper/sovereign-sdk","last_reviewed":"2026-10-01","last_checked":"2026-10-01","relationships":[{"rel":"Canonical reading","label":"Sovereign SDK study","href":"/whitepaper/sovereign-sdk"},{"rel":"Related paper","label":"Celestia","href":"/whitepaper/celestia-da-spec"},{"rel":"Related paper","label":"OP Stack","href":"/whitepaper/op-stack-spec"},{"rel":"Related paper","label":"Avail DA","href":"/whitepaper/avail-da"}]}