Beyond onlyOwner: Fixing Logic Vulnerabilities in DeFi (A RetoSwap Case Study)

<p>Smart contracts manage over $90 billion in total value locked across DeFi protocols. Yet the vulnerability classes that enabled the 2016 DAO hack remain present in production

<p>On February 22, 2026, a single trade worth barely $5 on the Stellar DEX inflated a token's price by 100×, allowing an attacker to borrow $10.97 million against worthless

<p>🔍 The Problem Statement<br /> In this post, I disclose a logic vulnerability found in a Starknet staking protocol (specifically Attestation.cairo). The issue allows an attacker

<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>Business logic flaws are vulnerabilities that exist not because of a coding mistake, but because the application trusts its own workflow too much. Instead of exploiting a

<p>You built your app with Lovable, Cursor, or Bolt. You connected Supabase. You enabled Row Level Security because the docs said to.</p> <p>Your RLS is probably wrong.</p> <p>I

<h2> When Agentic AI Breaks Your Pricing Model </h2> <p><a href="https://github.blog/news-insights/company-news/changes-to-github-copilot-individual-plans/" rel="noopener