{"document_id":"BLC-STUDY-1757","slug":"bip-156","title":"Dandelion - Privacy Enhancing Routing","authors":"Brad Denby","year":2017,"date_label":"2017","publisher":"Brad Denby","paper_type":"Design paper","category":"Privacy","topics":["Privacy"],"source_url":"https://github.com/bitcoin/bips/blob/master/bip-0156.mediawiki","source_label":"BIP 156","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":"Licensed for redistribution","source_status":"Official source","use_status":"The upstream file is mirrored at /primary/bip-156.md under CC0-1.0. The canonical file remains the source URL. The desk study is separate.","licence":"CC0-1.0","licence_label":"CC0-1.0","full_text":"https://blockchainlab.com/primary/bip-156.md","full_text_reason":"Mirrored from the upstream file under CC0-1.0. Desk wording is not part of that licence and is not a training grant.","repository":"https://github.com/bitcoin/bips","editorial_line":"A desk note on BIP 156 (Dandelion - Privacy Enhancing Routing). The file's status is Closed. The note records the text. It does not measure who runs it.","canonical_url":"https://blockchainlab.com/whitepaper/bip-156","record_url":"https://blockchainlab.com/research/corpus/papers/bip-156","study_url":"https://blockchainlab.com/whitepaper/bip-156","last_reviewed":"2026-10-01","last_checked":"2026-10-01","relationships":[{"rel":"Canonical reading","label":"BIP 156 study","href":"/whitepaper/bip-156"},{"rel":"Related paper","label":"Bulletproofs","href":"/whitepaper/bulletproofs"},{"rel":"Related paper","label":"Groth16","href":"/whitepaper/groth16"},{"rel":"Related paper","label":"Zerocash","href":"/whitepaper/zerocash"}]}