For those who would like to understand why this is important:
If you progress with your village, Warehouses become very useful. You can store ores, stones, soil, sand etc... without puring them on the ground. This makes it easier for miners to transfer their stones to the builders (just one example).
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Why something needs to be changed:
Warehouses can be claimed (for 24h as usual). Claiming it makjes it pretty much impossible to use during the prime online hours because only one person can access it. The only real advantage of warehouses (transfering ores, soil, sand etc.. between players) could only be used if you constantly claim/unclaim it as soon as someone wants to use it.
If you keep it unclaimed on the other hand, opponents or griefers can just walk by and claim it when people aren't watching (or even IF they are watching, with the current pvp system).
Proposed solution:
Give us an additional option, other than claim. I know there will probably a more complex system with keys or allowing people to share claimed buildings, but for warehouses it would be nice if you could just do something like 'Make it unclaimable for 24h'.
If you do that, the Warehouse cannot be claimed by anyone for the next 24h. All people can still trade/transfer their goods, but also access it. That is no big deal though, since it's only real use is to transfer heavy materials with low value.