{"document_id":"BLC-STUDY-0158","slug":"sbft","title":"SBFT: A Scalable and Decentralized Trust Infrastructure for Blockchains","authors":"Guy Golan Gueta, Ittai Abraham, Shelly Grossman, Dahlia Malkhi, Benny Pinkas, Michael K. Reiter, Dragos-Adrian Seredinschi, Orr Tamir and Alin Tomescu","year":2019,"date_label":"2019","publisher":"Guy Golan Gueta, Ittai Abraham, Shelly Grossman, Dahlia Malkhi, Benny Pinkas, Michael K. Reiter, Dragos-Adrian Seredinschi, Orr Tamir and Alin Tomescu","paper_type":"Design paper","category":"Consensus","topics":["Consensus"],"source_url":"https://arxiv.org/pdf/1804.01626","source_label":"arXiv:1804.01626","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.","editorial_line":"Collectors aggregate signatures into one proof. A client and the replicas see a constant number of messages rather than a quadratic flood, under the paper's collector assumption.","canonical_url":"https://blockchainlab.com/whitepaper/sbft","record_url":"https://blockchainlab.com/research/corpus/papers/sbft","study_url":"https://blockchainlab.com/whitepaper/sbft","last_reviewed":"2026-10-01","last_checked":"2026-10-01","relationships":[{"rel":"Canonical reading","label":"SBFT study","href":"/whitepaper/sbft"},{"rel":"Related paper","label":"PBFT","href":"/whitepaper/pbft"},{"rel":"Related paper","label":"HotStuff","href":"/whitepaper/hotstuff"}]}