{"document_id":"BLC-STUDY-0271","slug":"bip-342","title":"Validation of Taproot Scripts","authors":"Pieter Wuille","year":2020,"date_label":"2020","publisher":"Pieter Wuille","paper_type":"Design paper","category":"Consensus","topics":["Consensus"],"source_url":"https://bips.dev/342","source_label":"BIP 342","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 2020 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":"BIP 342, Validation of Taproot Scripts. The rules below only apply when validating a transaction input for which all of the conditions below are true: The transaction input is a '''segregated witness spend''' (i.e., the scriptPubKey contains a witness program as defined in [[bip-0141.mediawiki|BIP141]]).","canonical_url":"https://blockchainlab.com/whitepaper/bip-342","record_url":"https://blockchainlab.com/research/corpus/papers/bip-342","study_url":"https://blockchainlab.com/whitepaper/bip-342","last_reviewed":"2026-10-01","last_checked":"2026-10-01","relationships":[{"rel":"Canonical reading","label":"BIP 342 study","href":"/whitepaper/bip-342"},{"rel":"Related paper","label":"PBFT","href":"/whitepaper/pbft"},{"rel":"Related paper","label":"Tendermint","href":"/whitepaper/tendermint"},{"rel":"Related paper","label":"Raft","href":"/whitepaper/raft"}]}