Ethereum processes transactions sequentially - one at a time. It is such a great idea because it ensures state consistency and correctness but it also means:Lower throughput.Bottlenecks during high demand.Great for security, but not for scalability.Imagine this, you are in a store, and you want to get Meat & Seafood, now you have to queue or stay on the line and the cashier has to attend to you one after the other. Assuming there are hundreds of people on the line at that time, you're at the ...