The difficulty of getting in accumulates value inside.
[If there is a resource within an easy gate to enter that can be taken, even if you just entered, there will be a lot of people who enter to take it, and that resource will be gone. solution
Make it difficult to enter
Ensure that resources can only be expropriated after sufficient resources are put out.
Make sure you get more out of it than you let out.
No real harm if deprivable resources can be replicated.
Difference between a non-replicable resource and a [replicable resource If the only resource that can be expropriated is the one that can be replicated, then take and go as you please.
In OSS projects, source code is a replicable resource, so you can take it permissionless.
Members' time and attention are not replicable resources, and moreover, they cannot be bought with money unprocurable resources. This is fine for those who want to give, but not for those who want to take.
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