...What exactly goes on during a challenge? If there is

Question

...What exactly goes on during a challenge? If there is

any sort of computation that needs to be done, presumably we could be doing those regularly and persisting on eth mainnet? I guess I should read up more but a 7 day wait period seems quite high and adds a lot of friction (I know we have the ferry still. i know it can change and that for now it is 7 days).

I guess I'm just curious what things need to be done that cannot be automated. And are we doing all the automated things possible so that this window can be as short as possible?

#cryptocurrency #english #frax

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12.02.2024

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Blocks Grahm · Accepted Answer

The name ‘Optimism’ refers to the protocol *optimistically* assuming that all claims are valid, up until the point someone challenges its validity. So it inherently by design requires a period of time to allow for challenges to be identified and submitted. The OP stacks has settled on seven days, but it’s kind of an arbitrary decision based on the trade offs between security and user experience. As in, the shorter the challenge period, the less confidence you will have on the validity of the chain data, but the longer you make it, the worse the user experience deteriorates. If you would like to dig into the Challenge Dispute Game Theory used in the OP stack here’s a link to the documentation, but be aware that it’s pretty fucking technical to say the least. https://docs.optimism.io/stack/protocol/fault-proofs/overview

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...What exactly goes on during a challenge? If there is

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