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The Benefits of a Circuit Breaker for DeFi Protocols
A dev adding a circuit breaker can still make mistakes at the integration point between their protocol and the circuit breaker. So for example, if they have answers coming in and out of the protocol, but they forget to add the line that actually tracks the ins and outflows. And then the second type is a unique but very dangerous vulnerability when it does occur where you have in your code somewhere the ability for you to basically execute anything on behalf of the protocol or smart contract. They're rare in general but when they do occur then you can review them specifically and it just reduces again the attack surface and places where things can go wrong.