zkSync

zkSync Era is an Ethereum Layer 2 network powered by the innovative Zero Knowledge (ZK-rollups) method to validate data on the blockchain network. It enables users to leverage the security of the Ethereum chain network with increased scalability, extra low-cost gas fees, and high-speed transactions.

The company has a large and strong network of key opinion leaders, and funds, including Vitalik Buterin, Coindesk, Coinbase Ventures, Consensys, and Blockchain Capital. It has already conducted over 5 funding rounds, raising over $458M from its investors and funds. Also, there are loud rumors about the upcoming zkSync airdrop (retrodrop) on the market.