In the world of blockchain and crypto, scalability is one of the biggest challenges that developers and users face. The more users and transactions a blockchain network has, the slower and more expensive it becomes. However, layer 2 solutions and ZK Rollups have emerged as a promising solution to this problem. Layer 2 solutions, such as Optimism, move most of the transactions off the main blockchain and onto a sidechain, where they can be processed more efficiently. This allows for a higher t...