# Smart Contracts

By [mokkk.eth](https://paragraph.com/@mokkk) · 2022-11-19

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**ve hidden back doors and upgradability**. Even if the backdoors are set up with best intentions, as escape hatches, they always need to be properly disclosed. Transparency is crucial to make sure that such a “feature” doesn’t turn into a bug. 

Some of the greatest hacks exploit the **quality of code** of the protocols. Today, we rely on vetting the quality of teams and making sure that the code goes through multiple audits, but that doesn’t always catch all the bugs. 

Generally early stage blockchains and bridges don’t pay attention to significant **distribution of their validator sets**, which leads to greater risk of key compromise.

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*Originally published on [mokkk.eth](https://paragraph.com/@mokkk/smart-contracts)*