<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>Shreyas Londhe</title><description>Applied cryptography engineer specializing in zero-knowledge proof systems.</description><link>https://shreyaslondhe.xyz/</link><item><title>The Schnorr Protocol: An Interactive Guide</title><link>https://shreyaslondhe.xyz/writing/schnorr-protocol/</link><guid isPermaLink="true">https://shreyaslondhe.xyz/writing/schnorr-protocol/</guid><description>A step-by-step interactive walkthrough of the Schnorr identification protocol.</description><pubDate>Sun, 15 Feb 2026 00:00:00 GMT</pubDate></item><item><title>SPARK: How Spartan Handles Sparse Matrices</title><link>https://shreyaslondhe.xyz/writing/spark/</link><guid isPermaLink="true">https://shreyaslondhe.xyz/writing/spark/</guid><description>How SPARK makes Spartan practical — a sparse polynomial commitment scheme that scales with non-zero entries, not matrix dimensions.</description><pubDate>Mon, 02 Mar 2026 00:00:00 GMT</pubDate></item><item><title>Spartan: Understanding Transparent SNARKs Without Trusted Setup</title><link>https://shreyaslondhe.xyz/writing/spartan-protocol/</link><guid isPermaLink="true">https://shreyaslondhe.xyz/writing/spartan-protocol/</guid><description>A deep dive into how Spartan achieves transparent, general-purpose zkSNARKs using sum-check and polynomial commitments — no trusted setup required.</description><pubDate>Wed, 25 Feb 2026 00:00:00 GMT</pubDate></item><item><title>zkFOCIL: Implementation &amp; Benchmarking Report</title><link>https://shreyaslondhe.xyz/writing/zkfocil-implementation-benchmarking-report/</link><guid isPermaLink="true">https://shreyaslondhe.xyz/writing/zkfocil-implementation-benchmarking-report/</guid><description>ZK-based fork-choice enforced inclusion lists for Ethereum — implementation details and performance benchmarks.</description><pubDate>Wed, 28 Jan 2026 00:00:00 GMT</pubDate></item></channel></rss>