2d ago · 4 min read · Two pieces of news showed up this week that are easy to miss in isolation but worth reading together. The first is a developer demonstration: an apparent Opus 4.8 model produced a formally verified pr
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Feb 11 · 12 min read · Why Most Software Ships With Unproven Assumptions Most software teams face a correctness paradox: they need the rigor of formal verification but can’t afford its cost. Test-Driven Development (TDD) of
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Feb 1 · 14 min read · I spent 3 days including saturday and sunday deriving formulas from the Gyro ECLP whitepaper. Line by line. Variable by variable. By Sunday night, I understood the math beautifully, and had found exactly zero bugs. That weekend taught me something im...
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Jan 18 · 4 min read · 📚 Series Overview This series is designed for Move developers who want to go beyond testing to mathematically prove their contracts are secure. Whether you're building on Sui or Aptos, these techniques will help you catch bugs that testing can never...
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Oct 8, 2025 · 6 min read · In the fast-evolving world of blockchain technology, where vulnerabilities can lead to catastrophic losses, the demand for innovative security solutions has never been higher. Why did the smart contract go to the verifier? To prove it was secure wit...
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Jun 8, 2025 · 8 min read · Introduction If you're a developer today, chances are you've experienced the “magic” of LLMs in your workflow, whether you realize it or not. That auto-completion in your JetBrains IDE, Visual Studio, or Cursor? There's cases where an LLM working beh...
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Apr 8, 2025 · 3 min read · Formal verification is critical for ensuring smart contract security. Certora Verification Language (CVL) provides powerful tools for this task, with ghost variables and storage hooks being especially useful for tracking contract state and proving co...
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Apr 6, 2025 · 2 min read · Key Formal Verification Concepts for Smart Contracts 1. Logical Implications and Direction The direction of logical implications is crucial. Consider a rule restricting actions to owners: // Incorrect: Only checks if owners can change supply assert o...
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Apr 4, 2025 · 5 min read · Preconditions By adding preconditions, one can eliminate infeasible states and put constraints on values. The Rule totalSupplyAfterMintWithPrecondition is a copy of totalSupplyAfterMint with an additional constraint, shown in emphasis below: /** @tit...
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