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sudo rm -rf --no-preserve-root /
@pcaversaccio
1/ From time to time I take a look back and think it's a shame that we didn't try hard enough to prevent reentrancy attack vectors in the early days (to be clear, it's still an issue today!). There is this example of the Bamboo smart contract language written in OCaml (https://github.com/cornellblockchain/bamboo).
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sudo rm -rf --no-preserve-root /
@pcaversaccio
2/ Unfortunately, it has not been maintained since _2018_. BUT, iirc, they were the first to build a built-in reentrancy guard into the language. It was pretty simple how it worked: every time you called an external address, you had to specify what would happen if you were called back via the keyword "reentrance".
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