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StatePayload -> StateSyncedEvent
Emit a standardized state-sync event containing payload data from a root chain contract to be picked up by external validators and executed on a child chain.
Problem it solves
Initiating state changes on a child chain from a base root chain without direct synchronous call capability.
Consumes
Emits
The real projects this mechanism was found in. Attribution is the point — this is how the best teams actually do it.