Starknet as a Validity Rollup Layer 2 solution for Ethereum. It highlights that Starknet offers benefits such as high throughput, low gas costs, and maintains the security levels of Ethereum Layer 1. It also draws an analogy between verifying a solution to a Sudoku puzzle and the process of scaling Ethereum. Specifically, it emphasizes the idea that verifying a solution is easier than solving the puzzle from scratch, implying that Starknet operates in a similar manner by reducing the computat...