Genesis/bootstrapped state is currently duplicated across all shards.

[stringhandler]

For example, the XTR resource exists in the state store of all validators even though only the applicable shard's XTR resource is used as an input. This means that this is probably not really an issue however it does not seem correct that all genesis state exists in all shards. The shard should bootstrap only the applicable state.

[stringhandler]

There is also a case to be made for making Resources always duplicated across all shards. Having a Resource in only one shard means that any foreign transaction must always ask for the Resource to be pledged. Maybe there should be a ResourceMaster in one shard and a ResourceClone in all the others. The ResourceClone can be pledged for existence and readonly methods, allowing LocalOnly transactions in the shard, but write updates to the ResourceMaster must force all ResourceClones to be locked for update