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A retrieved document made the model propose a 50,000 euro discount. The prompt injection succeeded, but the action did not. Here is the deterministic policy boundary that stopped it. Part 3 of From Prompt to Proof.
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A blog about Tech🤖, Entrepreneurship🚀, Coding👨🏻💻, and other interesting topics🧠.
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Most systems already have logs. Can you prove that the logs you show today are the records the system wrote six months ago? Ed25519 signatures, a SHA 256 chain, canonical JSON, and the one SQL update that broke all of it. Part 2 of From Prompt to Proof.- Published on
Version one of my PII layer masked the words "tax number" and let the Greek AFM through. How I measured Presidio, the checksum trap, and the threshold that silently detects nothing. Part 1 of From Prompt to Proof.- Published on
My real production workflow for shipping features with AI agents: 3 terminals, PID-like feedback loops, independent review, and quality gates. No vibe coding—just controlled engineering that serves real users.- Published on
Looking back at my 10 predictions for 2025 to see what came true, what missed the mark, and why