{"document_id":"BLC-STUDY-0694","slug":"nervos-ckb","title":"Nervos CKB: a cell model generalisation of the UTXO","authors":"Nervos","year":2019,"date_label":"2019","publisher":"Nervos","paper_type":"Design paper","category":"Consensus","topics":["Consensus"],"source_url":"https://github.com/nervosnetwork/rfcs/blob/master/rfcs/0002-ckb/0002-ckb.md","source_label":"CKB RFC 0002","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":"https://github.com/nervosnetwork/rfcs","editorial_line":"Nervos CKB generalises Bitcoin's UTXO into a cell: a piece of state with capacity, a lock script, and a type script. The chain verifies the scripts. It does not embed one global virtual machine as the only rule.","canonical_url":"https://blockchainlab.com/whitepaper/nervos-ckb","record_url":"https://blockchainlab.com/research/corpus/papers/nervos-ckb","study_url":"https://blockchainlab.com/whitepaper/nervos-ckb","last_reviewed":"2026-10-01","last_checked":"2026-10-01","relationships":[{"rel":"Canonical reading","label":"Nervos CKB study","href":"/whitepaper/nervos-ckb"},{"rel":"Related paper","label":"Bitcoin","href":"/whitepaper/bitcoin-nakamoto"},{"rel":"Related paper","label":"Solana","href":"/whitepaper/solana"},{"rel":"Related paper","label":"NEAR","href":"/whitepaper/near"}]}