thoughts on @GMX_IO 's exploit. Spending 20 minutes on this might save you from an exploit. - A reentrancy attack is common in solidity-based smart contract and root cause of @GMX_IO 's hack. it's not new neither easy to avoid in evm based smart contract - Sui move the language itself was designed in an object-centric model - this prevents sui move-based smart contract from suffering such risks heartfelt to see what happened to @GMX_IO as it has inspired lots of new ideas' initiations. Operating Defi is risky and I would seriously recommend that new defi builders to run in more robust language, or at least spend hours researching what a reentrancy attack. I also wrote this and hopefully this helps: What is Reentrancy Attack and why it does not happen in Sui Move: