When a System Refuses to Break: Lessons from a Full-Scope Adversarial Audit

<p>Your AI system isn't going to crash. It's going to drift.</p> <p>A recommendation engine making 1.4 model calls instead of 1. A retrieval pipeline fetching 5 chunks instead of

<p>The OWASP Smart Contract Top 10 reshuffled in 2026 — reentrancy dropped from #2 to #8, proxy vulnerabilities entered the chart, and business logic flaws climbed. But the real

<p>When I built <a href="https://github.com/shrec/UltrafastSecp256k1" rel="noopener noreferrer">UltrafastSecp256k1</a> — a high-performance secp256k1 cryptography library

<p>Two independent security research groups published this week with findings that land on the same problem from different angles: AI agent skill files are a serious and

<p>In January and February 2026, security researchers filed <a href="https://www.heyuan110.com/posts/ai/2026-03-10-mcp-security-2026/" rel="noopener noreferrer">30 CVEs against

<p>Blockchain payment systems promise transparency, speed, and lower transaction costs — but they also raise the stakes on security. A bug in a traditional backend might cause

<p>I gave 56 known-vulnerable Solidity smart contracts to three frontier LLMs — Claude Opus 4.7, GPT-5.5, and Gemini 3.1 Pro — and asked each one to find the bugs.</p> <p>168 API

<blockquote> <p>Cross-post. Original: <strong><a href="https://www.stellarbytecapital.com/blog/cross-border-payment-system-design/" rel="noopener