--- title: Building a Transparent Keyserver | daily.dev description: A step-by-step guide to building a transparent keyserver for age public keys using transparency log technology. The implementation adds cryptographic... canonical: https://daily.dev/posts/building-a-transparent-keyserver-pv1psypx6 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Building a Transparent Keyserver | daily.dev og:description: A step-by-step guide to building a transparent keyserver for age public keys using transparency log technology. The implementation adds cryptographic... og:url: https://daily.dev/posts/building-a-transparent-keyserver-pv1psypx6 og:image: https://api.daily.dev/og/posts/PV1PSYpX6.png og:image:alt: Building a Transparent Keyserver og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Building a Transparent Keyserver **[Filippo Valsorda](https://daily.dev/sources/filippo)** · 26 min read · 0 upvotes · 0 comments ## Summary A step-by-step guide to building a transparent keyserver for age public keys using transparency log technology. The implementation adds cryptographic accountability to a centralized service through Tessera and Torchwood libraries, incorporating VRFs for privacy protection, anti-poisoning measures through hashing, and witness cosigning for split-view prevention. The complete solution requires less than 500 lines of code while maintaining unchanged UX and enabling users to monitor all public keys associated with their email addresses. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Announcing Key Transparency for the Fediverse](https://daily.dev/posts/announcing-key-transparency-for-the-fediverse-uuqgioxbb) · Dhole Moments · 0 upvotes · 0 comments - [Key Transparency Comes to Messenger](https://daily.dev/posts/key-transparency-comes-to-messenger-amttyyxjj) · Facebook Engineering · 0 upvotes · 0 comments - [Trust in Protocols, Not Institutions: Transparency Logs for API Authorization](https://daily.dev/posts/trust-in-protocols-not-institutions-transparency-logs-for-api-authorization-om2jhvkww) · API Evangelist · 0 upvotes · 0 comments - [KeyleSSH: A New PAM Concept for IT Admins](https://daily.dev/posts/keylessh-a-new-pam-concept-for-it-admins-rzublwcua) · ITNEXT · 0 upvotes · 0 comments --- Tags: [#security](https://daily.dev/tags/security), [#golang](https://daily.dev/tags/golang), [#privacy](https://daily.dev/tags/privacy), [#cryptography](https://daily.dev/tags/cryptography) [View this post on daily.dev](https://daily.dev/posts/building-a-transparent-keyserver-pv1psypx6) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Building a Transparent Keyserver","url":"https://daily.dev/posts/building-a-transparent-keyserver-pv1psypx6","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/building-a-transparent-keyserver-pv1psypx6"},"datePublished":"2025-12-19T15:19:29.372Z","dateModified":"2025-12-19T15:19:49.147Z","description":"A step-by-step guide to building a transparent keyserver for age public keys using transparency log technology. 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