zkSync is a layer-2 scaling solution for Ethereum that aims to improve the scalability and efficiency of the Ethereum blockchain. It uses a technology called Zero-Knowledge Proofs (ZKPs) to enable faster and cheaper transactions while maintaining the security and decentralization features of the Ethereum network. Here are some key points about zkSync:Scalability: Ethereum, as of my last update in September 2021, faced scalability challenges, which resulted in high gas fees and slower transact...