{"document_id":"BLC-STUDY-0518","slug":"bip-93","title":"codex32: Checksummed SSSS-aware BIP32 seeds","authors":"Leon Olsson Curr and Pearlwort Sneed","year":2023,"date_label":"2023","publisher":"Leon Olsson Curr and Pearlwort Sneed","paper_type":"Design paper","category":"Data and agents","topics":["Data and agents"],"source_url":"https://bips.dev/93","source_label":"BIP 93","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 2023 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 93, codex32: Checksummed SSSS-aware BIP32 seeds. We first describe the general checksummed base32 '''Why use base32 at all?''' The lack of mixed case makes it more efficient to read out loud, write, type or to put into QR codes.","canonical_url":"https://blockchainlab.com/whitepaper/bip-93","record_url":"https://blockchainlab.com/research/corpus/papers/bip-93","study_url":"https://blockchainlab.com/whitepaper/bip-93","last_reviewed":"2026-10-01","last_checked":"2026-10-01","relationships":[{"rel":"Canonical reading","label":"BIP 93 study","href":"/whitepaper/bip-93"},{"rel":"Related paper","label":"ERC-4337","href":"/whitepaper/eip-4337"},{"rel":"Related paper","label":"Chainlink","href":"/whitepaper/chainlink"},{"rel":"Related paper","label":"The Graph","href":"/whitepaper/the-graph"}]}