I'm still trying to understand how the whole system works. It appears to be groundbreaking but I'm not really sure. The last sentence in the document should catch your interest:
"As a result, we have a cryptocurrency protocol whose codebase is very small, and yet which can do anything that any cryptocurrency will ever be able to do."
"As a result, we have a cryptocurrency protocol whose codebase is very small, and yet which can do anything that any cryptocurrency will ever be able to do."