John Adler (Fuel Labs, Celestia) on building the fastest modular execution layer (EP.307)
On The Brink with Castle Island
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Reentrancy Bugs - How to Fix Them
Re entrancy is when a contract ends up calling itself, again, kind of likin e recursov manner, but through another contract. An example of this is the doo hack. Someone had a function to withdraw your token. So they basey said, ok, first, i'm going to call the token contract to withdraw the token. And you can drain an account in this way. That is why reentency is so dangerousand. Fixed in one very easy way.
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