[TheColorYellow]

It's not an entirely technical hurdle, but eventually you run into repeated issues when trying to recreate application context across different applications. That means to do so at scale can be solved by a technology solution.

To me the issues that require addressing are things like standardization, general uniqueness proofs, Cross-app total order broadcast, identity and service discovery, to just name a few.

My feeling is that the internet does not solve these problems, especially at the application layer, and therefore interoperability is a technical solution that is required for a metaverse like vision.