zkSync is a scaling and privacy engine for Ethereum with functionality scope including transfers of ETH and ERC20 tokens in the Ethereum network, atomic swaps and limit orders, plus native L2 NFT support. zkSync is developed on zkRollup architecture and was created by Matter Labs. zkRollup refers to an L2 scaling solution in which funds are held by a smart contract on the mainchain, and computation and storage are performed off-chain. For each Rollup block, a state transition zero-knowledge p...