Rollups
The round was joined by a host of cryptocurrency projects that are considering adding zkSync, including Coinbase, Aave and Curve Finance.
A potential fix for Ethereum's costly congestion problems.
Tether and Hermez announced mutual support in January to address the problem of historic Ethereum transaction fees.
A majority of the top Ethereum-based decentralized applications (dapps) are switching to rollups, a layer 2 for increasing throughput.