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Steemit can do smart contracts as well so it's not like Ethereum has a monopoly on the concept. Ethereum just was hyped. It also depends on what you're using the smart contracts for. If it's not for money then it's not the same risk and I think for something like curiosume it makes sense but much more sense on Steemit than Ethereum.

But "who" (AI or human programmer) decides the tolerances of the curesume requirements?