Problem 2 (Etheurem vs. Bitcoin, 20 Points) Review the Ethereum white paper and answer the following questions. 1. 15 pts What are the most important limitations for the scripting language as imple- mented in Bitcoin? 2. [5 pts What is the purpose of gas in Ethereum? Why is gas not needed in Bitcoin? 3. [5 pts) What is the main difference between Ethereum and Bitcoin with regard to the blockchain architecture? 4. [5 pts) Although Ethereum stores the entire states in every block, Ethereum has com- parable efficiency with Bitcoin, and more savings in space. Why