{"document_id":"BLC-STUDY-0140","slug":"b-money","title":"b-money","authors":"Wei Dai","year":1998,"date_label":"1998","publisher":"Wei Dai","paper_type":"Design paper","category":"Credit and stable value","topics":["Credit and stable value"],"source_url":"http://www.weidai.com/bmoney.txt","source_label":"weidai.com","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 1998 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":"Participants broadcast contract offers. Money is created by solving a computational problem, and a collective bookkeeping system tracks balances. A second variant uses a subset of servers.","canonical_url":"https://blockchainlab.com/whitepaper/b-money","record_url":"https://blockchainlab.com/research/corpus/papers/b-money","study_url":"https://blockchainlab.com/whitepaper/b-money","last_reviewed":"2026-10-01","last_checked":"2026-10-01","relationships":[{"rel":"Canonical reading","label":"b-money study","href":"/whitepaper/b-money"},{"rel":"Related paper","label":"Hashcash","href":"/whitepaper/hashcash"},{"rel":"Related paper","label":"Bitcoin Backbone","href":"/whitepaper/bitcoin-backbone"}]}