
David Phelps
@davidphelps
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tldr: this is a gamechanging design for rollups
> on the surface, it's optimistic. transactions are accepted as long as nobody disputes them, and there's 7 days to dispute
> under the surface, it's zk. *once* someone disputes, then (and only then) is a zk-proof required to prove an invalid transaction. the dishonest party incurs the cost.
effectively, megaeth is getting the best of both worlds. you have the advantage of optimistic rollups' fast speed and low cost for normal transactions, and the advantage of zk-rollups' fast speed and low cost for disputes.
latency is, of course, megaeth's calling card, and this is what keeps things running fast for all the real-time apps built on megaeth like gte, noise, avon, hop, legend, euphoria, etc
all of this is possible thanks to risc zero, and a reminder that while most of this space has written off zk, it's quickly becoming a much better alternative as proving costs come down.
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