Move Smart Contract Arithmetic: How Precision Fails and Economics Break
Summary
Part 3 of the Move series: why arithmetic and precision bugs are the costliest class on Sui/Aptos — the $223M Cetus exploit, overflow gaps around shifts and downcasts, and audit patterns.
- Published
- Collected
--- id: 5228 title: "Move Smart Contract Arithmetic: How Precision Fails and Economics Break" source_domain: hackenproof.com source_url: "https://hackenproof.com/blog/move-smart-contract-arithmetic-precision" published_at: "2026-06-18 07:43" tags: ["web3", "smart-contracts", "defi", "sui", "move", "aptos", "arithmetic"] phying_url: "https://phying.com/item/5228" lang: en --- # Move Smart Contract Arithmetic: How Precision Fails and Economics Break ## Summary Part 3 of the Move series: why arithmetic and precision bugs are the costliest class on Sui/Aptos — the $223M Cetus exploit, overflow gaps around shifts and downcasts, and audit patterns. ## Intelligence Metadata - **Sources:** hackenproof.com - **Published:** 2026-06-18 07:43 - **Original:** https://hackenproof.com/blog/move-smart-contract-arithmetic-precision - **Phying News:** https://phying.com/item/5228