Cetus lost $223M to a shift overflow. Aftermath lost $1.14M to a negative fee. Bucket Protocol ships a decimal scaling bug today. All three passed audits. All three have the same root cause. I've spent the last month reading exploit post-mortems, scanning production Sui contracts, and building lint rules to catch what I kept seeing. After the third time the same shape showed up, I stopped thinking of these as separate incidents. They're the same bug wearing different clothes. ...