L2 Developments Overview: Optimism, Arbitrum, zkSync [Part 1]
The Layer 2 (L2) landscape is evolving rapidly, with key players like Optimism, Arbitrum, and zkSync pushing the envelope. Optimism introduced the OP Stack, a blueprint for creating scalable and interoperable blockchains, and the Superchain, a network of L2s sharing security and communication. Coinbase and Worldcoin are expected to join this network soon. Arbitrum offers four core products, including Arbitrum Orbit, a framework for creating L3s or app-chains, which are vital to Arbitrum's scaling journey. zkSync is developing Hyperc