# sigmaprime.io > AI-optimized mirror of sigmaprime.io containing 7 pages totalling 737 words of clean markdown content, structured data, and semantic HTML. Original source: https://sigmaprime.io/. Last updated: 2026-06-14T00:11:10.496Z. Each page is available as HTML (with JSON-LD structured data) and Markdown (text-only, ideal for LLMs and RAG). ## Homepage - [Solutions for a secure && decentralised world](/content/site-root.html): We are a collective of researches, developers and academics interested in the blockchain and cyber security spaces. We strive to help the blockchain ecosystem grow and contribute in various community projects. (392 words) ## Articles & Blog Posts - [blog/index.html](/content/blog/index.html) (1 words) - [Trusted, Independent, Web3 Security & Research Firm](/content/about/index.html): Meet Sigma Prime: a mission-driven team of researchers and engineers securing Web3 through deep audits and Lighthouse, Ethereum’s Rust consensus client. (292 words) - [Sigma Prime](/content/icon-ico.html): We are a collective of researches, developers and academics interested in the blockchain and cyber security spaces. We strive to help the blockchain ecosystem grow and contribute in various community projects. (6 words) - [Contact](/content/contact/index.html): Talk to Sigma Prime’s global blockchain-security experts. Email us to schedule smart-contract reviews, protocol audits or discuss bespoke security needs. (40 words) - [Sitemap](/content/sitemap-xml.html) (1 words) - [sitemap-0-xml.html](/content/sitemap-0-xml.html) (5 words) ## Resources - [Full Page Index](/index.html): Browse all cached pages with rich metadata - [About This Cache](/content/about.html): Methodology, technical details, and usage guidelines - [XML Sitemap](/sitemap.xml): Machine-readable sitemap for crawler discovery - [Robots.txt](/robots.txt): Crawler directives