--- title: What Is Post-Quantum Cryptography and Why Does It Matter? description: An introduction to post-quantum cryptography, explaining what it is and why it matters as quantum computing advances threaten current encryption standards. canonical: https://daily.dev/posts/what-is-post-quantum-cryptography-and-why-does-it-matter--pq2zyosmk twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: What Is Post-Quantum Cryptography and Why Does It Matter? | daily.dev og:description: An introduction to post-quantum cryptography, explaining what it is and why it matters as quantum computing advances threaten current encryption standards. og:url: https://daily.dev/posts/what-is-post-quantum-cryptography-and-why-does-it-matter--pq2zyosmk og:image: https://api.daily.dev/og/posts/Pq2zyosMK.png og:image:alt: What Is Post-Quantum Cryptography and Why Does It Matter? 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. # What Is Post-Quantum Cryptography and Why Does It Matter? **[Security Boulevard](https://daily.dev/sources/securityboulevard)** · 1 min read · 0 upvotes · 0 comments ## Summary An introduction to post-quantum cryptography, explaining what it is and why it matters as quantum computing advances threaten current encryption standards. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Quantum Cybersecurity Explained: Preparing for Quantum Computing](https://daily.dev/posts/quantum-cybersecurity-explained-preparing-for-quantum-computing-xnxg5zqkl) · The Quantum Insider · 0 upvotes · 0 comments - [Quantum-Safe Cryptography: How Encryption Evolved and Why It Needs to Evolve Again](https://daily.dev/posts/quantum-safe-cryptography-how-encryption-evolved-and-why-it-needs-to-evolve-again-svo2vnw0w) · iO tech\_hub · 2 upvotes · 0 comments --- Tags: [#security](https://daily.dev/tags/security), [#quantum-computing](https://daily.dev/tags/quantum-computing), [#cryptography](https://daily.dev/tags/cryptography) [View this post on daily.dev](https://daily.dev/posts/what-is-post-quantum-cryptography-and-why-does-it-matter--pq2zyosmk) ```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":"What Is Post-Quantum Cryptography and Why Does It Matter?","url":"https://daily.dev/posts/what-is-post-quantum-cryptography-and-why-does-it-matter--pq2zyosmk","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/what-is-post-quantum-cryptography-and-why-does-it-matter--pq2zyosmk"},"datePublished":"2026-07-23T14:31:48.678Z","dateModified":"2026-07-23T15:58:45.725Z","description":"An introduction to post-quantum cryptography, explaining what it is and why it matters as quantum computing advances threaten current encryption standards.","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/358c2bec93b921e9ea6c92fec3933594?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/358c2bec93b921e9ea6c92fec3933594?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"Security Boulevard","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Security Boulevard","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/3613c832180040de8d85bb29f74395be","url":"https://daily.dev/sources/securityboulevard"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/what-is-post-quantum-cryptography-and-why-does-it-matter--pq2zyosmk","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"security,quantum-computing,cryptography","timeRequired":"PT1M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Security Boulevard","item":"https://daily.dev/sources/securityboulevard"},{"@type":"ListItem","position":3,"name":"What Is Post-Quantum Cryptography and Why Does It Matter?"}]} ```