https://rahilbhavan.comWriting on DeFi risk, hardware, and building Presto.https://rahilbhavan.com/writing/what-haircut-should-coinbase-take-on-btc-and-eth-collateralhttps://rahilbhavan.com/writing/what-haircut-should-coinbase-take-on-btc-and-eth-collateralSat, 19 Sep 2026 00:00:00 GMTCoinbase's $1.4B cbBTC loan book on Morpho replayed through seven crash paths, with liquidators and borrowers behaving as the lived events show.https://rahilbhavan.com/writing/the-guardian-of-the-chain-in-practice-and-future-part-3-3https://rahilbhavan.com/writing/the-guardian-of-the-chain-in-practice-and-future-part-3-3Wed, 28 Jan 2026 00:00:00 GMTPart 3 of the Guardian series: Step-by-step Euler Finance exploit replay with the exploit-analyzer, results interpretation, and project roadmap.https://rahilbhavan.com/writing/the-guardian-of-the-chain-under-the-hood-part-2-3https://rahilbhavan.com/writing/the-guardian-of-the-chain-under-the-hood-part-2-3Tue, 27 Jan 2026 00:00:00 GMTPart 2 of the Guardian series: Rust architecture of the exploit-analyzer—crates, JSON config, provider pooling, and reorg-safe replay.https://rahilbhavan.com/writing/the-guardian-of-the-chain-sleep-soundly-part-1-3https://rahilbhavan.com/writing/the-guardian-of-the-chain-sleep-soundly-part-1-3Mon, 26 Jan 2026 00:00:00 GMTPart 1 of the Guardian series: A CLI-first tool for replaying DeFi exploits and detecting invariant violations—proven to catch the Euler Finance exploit 7 minutes before the drain.https://rahilbhavan.com/writing/from-prototype-to-president-showcasing-innovation-at-zitf-part-3-3https://rahilbhavan.com/writing/from-prototype-to-president-showcasing-innovation-at-zitf-part-3-3Thu, 22 Jan 2026 00:00:00 GMTPart 3 of the Pothole Drone Series: Partnering with Bulawayo City Council, winning 2nd Place at ZITF, and presenting to the President of Zimbabwe.https://rahilbhavan.com/writing/the-eye-in-the-sky-integrating-ai-with-flight-telemetry-part-2-3https://rahilbhavan.com/writing/the-eye-in-the-sky-integrating-ai-with-flight-telemetry-part-2-3Wed, 21 Jan 2026 00:00:00 GMTPart 2 of the Pothole Drone Series: How to sync YOLO Computer Vision with ArduPilot telemetry using Python and MAVLink.https://rahilbhavan.com/writing/why-i-built-a-drone-for-zimbabwes-roads-part-1https://rahilbhavan.com/writing/why-i-built-a-drone-for-zimbabwes-roads-part-1Tue, 20 Jan 2026 00:00:00 GMTPart 1 of the Pothole Drone Series: Designing a custom CNC aluminum airframe to solve municipal infrastructure challenges in Bulawayo.