The latest articles on DEV Community by Dimitar Luchev (@sil714). https://dev.to/sil714 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3944365%2F144da710-84f8-4467-8a66-cc7df07b5055.jpg https://dev.to/sil714 en Dimitar Luchev Thu, 21 May 2026 15:32:08 +0000 https://dev.to/sil714/research-blockchain-with-post-quantum-dilithium-and-custom-zk-starks-from-scratch-2hgc https://dev.to/sil714/research-blockchain-with-post-quantum-dilithium-and-custom-zk-starks-from-scratch-2hgc <p>I built a from-scratch experimental blockchain to explore some ideas I've been interested in:<br> – post-quantum signatures (Dilithium)<br> – custom zk-STARK system (AIR + FRI, written in Rust)<br> – shielded + anonymous transactions<br> – simple P2P gossip network<br> It’s not production-ready (no persistence, no DoS protection, etc.) — this is purely a learning/research project.<br> The most interesting part was implementing the STARK system end-to-end and integrating it into a working chain.<br> I’d really appreciate feedback, especially on: – the AIR design<br> – the privacy model<br> – tradeoffs between PQ signatures vs performance<br> Repo / demo:<br> <a href="https://github.com/sil714/qchain" rel="noopener noreferrer">https://github.com/sil714/qchain</a><br> Happy to answer any questions.</p> python rust blockchain opensource