{"document_id":"BLC-STUDY-0078","slug":"truebit","title":"A scalable verification solution for blockchains","authors":"Jason Teutsch and Christian Reitwiessner","year":2017,"date_label":"2017","publisher":"Jason Teutsch and Christian Reitwiessner","paper_type":"Design paper","category":"Scaling","topics":["Scaling"],"source_url":"https://people.cs.uchicago.edu/~teutsch/papers/truebit.pdf","source_label":"TrueBit white paper","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 2017 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":"Pay a solver to run a heavy computation off-chain, and pay a verifier only when they find a lie. An interactive game narrows the lie to one step. A jackpot is there so verifiers show up even when solvers are usually honest.","canonical_url":"https://blockchainlab.com/whitepaper/truebit","record_url":"https://blockchainlab.com/research/corpus/papers/truebit","study_url":"https://blockchainlab.com/whitepaper/truebit","last_reviewed":"2026-10-01","last_checked":"2026-10-01","relationships":[{"rel":"Canonical reading","label":"TrueBit study","href":"/whitepaper/truebit"},{"rel":"Related paper","label":"Arbitrum","href":"/whitepaper/arbitrum"},{"rel":"Related paper","label":"Fraud and data availability proofs","href":"/whitepaper/fraud-and-da"},{"rel":"Related paper","label":"Plasma","href":"/whitepaper/plasma"}]}