{"document_id":"BLC-STUDY-0382","slug":"erc-162","title":"Initial ENS Hash Registrar","authors":"Maurelian, Nick Johnson , Alex Van de Sande","year":2016,"date_label":"2016","publisher":"Maurelian, Nick Johnson , Alex Van de Sande","paper_type":"Design paper","category":"Data and agents","topics":["Data and agents"],"source_url":"https://eips.ethereum.org/EIPS/eip-162","source_label":"ERC 162","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 2016 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":"ERC 162, Initial ENS Hash Registrar. The implementation, as deployed to the main ethereum network on 2017-05-04, of a registrar contract to govern the allocation of names in the Ethereum Name Service (ENS).","canonical_url":"https://blockchainlab.com/whitepaper/erc-162","record_url":"https://blockchainlab.com/research/corpus/papers/erc-162","study_url":"https://blockchainlab.com/whitepaper/erc-162","last_reviewed":"2026-10-01","last_checked":"2026-10-01","relationships":[{"rel":"Canonical reading","label":"ERC 162 study","href":"/whitepaper/erc-162"},{"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"}]}