{"document_id":"BLC-STUDY-0164","slug":"merged-mining","title":"Merged Mining: Curse or Cure?","authors":"Aljosha Judmayer, Alexei Zamyatin, Nicholas Stifter, Artemios G. Voyiatzis and Edgar Weippl","year":2017,"date_label":"2017","publisher":"Aljosha Judmayer, Alexei Zamyatin, Nicholas Stifter, Artemios G. Voyiatzis and Edgar Weippl","paper_type":"Design paper","category":"Consensus","topics":["Consensus"],"source_url":"https://eprint.iacr.org/2017/791","source_label":"ePrint 2017/791","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":"Merged mining lets the same proof of work stamp a child chain. Security is not transferred for free: the parent miners may not validate the child, and an attack on the child can be cheap in attention even when hash power is large.","canonical_url":"https://blockchainlab.com/whitepaper/merged-mining","record_url":"https://blockchainlab.com/research/corpus/papers/merged-mining","study_url":"https://blockchainlab.com/whitepaper/merged-mining","last_reviewed":"2026-10-01","last_checked":"2026-10-01","relationships":[{"rel":"Canonical reading","label":"Merged mining study","href":"/whitepaper/merged-mining"},{"rel":"Related paper","label":"Bitcoin Backbone","href":"/whitepaper/bitcoin-backbone"},{"rel":"Related paper","label":"Proofs of space","href":"/whitepaper/proofs-of-space"}]}