zkSync
zkSync is a L2 using ZK for scaling Ethereum.
About zkSync
zkSync is a layer-two (L2) scaling solution developed by Matter Labs to address Ethereum's scalability issues. It uses zero-knowledge proofs to process transactions faster and more cost-effectively than Ethereum.
zkSync is important to crypto because it offers a way to make Ethereum transactions inexpensive and near-instant, providing a promising solution to scale Ethereum.