{"document_id":"BLC-STUDY-0259","slug":"bip-155","title":"addrv2 message","authors":"Wladimir J. van der Laan","year":2019,"date_label":"2019","publisher":"Wladimir J. van der Laan","paper_type":"Design paper","category":"Storage and networks","topics":["Storage and networks"],"source_url":"https://bips.dev/155","source_label":"BIP 155","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.","editorial_line":"BIP 155, addrv2 message. The key words \"MUST\", \"MUST NOT\", \"REQUIRED\", \"SHALL\", \"SHALL NOT\", \"SHOULD\", \"SHOULD NOT\", \"RECOMMENDED\", \"MAY\", and \"OPTIONAL\" in this document are to be interpreted as described in RFC 2119 [https://tools.ietf.org/html/rfc2119 RFC 2119] .","canonical_url":"https://blockchainlab.com/whitepaper/bip-155","record_url":"https://blockchainlab.com/research/corpus/papers/bip-155","study_url":"https://blockchainlab.com/whitepaper/bip-155","last_reviewed":"2026-10-01","last_checked":"2026-10-01","relationships":[{"rel":"Canonical reading","label":"BIP 155 study","href":"/whitepaper/bip-155"},{"rel":"Related paper","label":"Filecoin","href":"/whitepaper/filecoin-2017"},{"rel":"Related paper","label":"Arweave","href":"/whitepaper/arweave"},{"rel":"Related paper","label":"IPFS","href":"/whitepaper/ipfs"}]}