Roberto Bayardo 🎩
@bayardo.eth
Apparently ENS went with a currently-capable-of-ZK-chain for Namechain over optimistic was because they seem to be under the impression that "finality takes 7 days" for optimistic rollups, an unfortunately common misconception. If you run a full node (and ENS certainly would do at least that) and you believe the fraud proof system works, then finality happens the moment the state root is posted to the L1 (5-10 min) and you confirm it matches your local root. This is no worse than a ZK rollup. The benefit of current ZK rollups over Optimistic is the shorter withdrawal window, and little else. The additional complexity they involve unfortunately brings with it a host of additional attack surface area. I believe all L2s will eventually be ZK-powered, but IMO the current generation of ZK chains are reyling mostly on security through obscurity.
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shazow
@shazow.eth
In the case of ENS, I believe this is the correct view because the rollup needs to interop with L1 state.
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RoboCopsGoneMad
@robocopsgonemad
i think about this a lot. whats the most visible way to see what is going on wrt to fraud proofs? how often do they happen? how effective are they, what are the consequences, etc.... who is out there contesting optimistic rollups?
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