Holochain isn’t really solving a problem. Although they use the common problem solving language they actually set out to create a world where people can cooperate at large scale. Looking at how nature organizes itself for collective intelligence, they mimicked those properties.

This allows humans to function together from a different paradigm than the current one of scarcity and competition.

Blockchain on the other hand was designed to solve a specific problem. How to get bankers out of the middle of financial transactions. That created a very limited solution using tokens and mining. So everyone using Blockchain has to think inside of the very limited paradigm of tokenizing everything they want to do.