The zkSync development company Matter Labs will launch the Layer3 testnet Pathfinder in Q1 of next year

ChainCatcher news, zkSync development company Matter Labs will launch the public testnet of the Ethereum scaling prototype Pathfinder in Q1 2023. This could be the first Layer3 network based on Ethereum, which can significantly improve scalability.

After the launch of Pathfinder, it will be open to the public for testing, research, and participation in the development of this scaling solution. zkSync's Chief Product Officer Steve Newcomb stated that a key advantage of Layer3 networks is their support for native bridging between blockchains. (source link)