Polygon's zkEVM Enters Second Public Testnet Phase
Polygon's zkEVM has entered its second public testnet phase, marking a crucial step before its official mainnet launch.

Polygon's zkEVM Moves to Second Public Testnet
Polygon’s layer-2 solution for Ethereum has transitioned to its second public testnet, following the impressive launch of its first public testnet over two months ago.
The new https://t.co/eykZb7sgF8 is out!
— David Z (@davidsrz) December 21, 2022
- ZK Proof recursion enabled
- L2 Batch size increased from 4 to 10M gas
- Proof time reduced from 10 to 4 min
- L1 verification with 350K gas
This adds more efficiency and ability to manage the tradeoff between finality time and tx cost. pic.twitter.com/qETf7Pj3dn
According to the announcement, this testnet will trial a new upgrade known as recursion, which is designed to scale Ethereum exponentially. Polygon positions zkEVM as a groundbreaking scaling technology leveraging zero-knowledge proofs, aiming to usher in a new era for the Ethereum ecosystem.
Launched in July, zkEVM has rapidly gained traction as a new Ethereum scaling technology over the past year. ConsenSys, the entity behind MetaMask, also launched a private testnet for zkEVM earlier this month.
zkEVM utilizes ZK-Rollups technology and is compatible with the Ethereum Virtual Machine (EVM). This means projects built on zkEVM can seamlessly integrate with the Ethereum network.
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The sophisticated ZK-Rollups technology significantly improves Ethereum’s transaction costs and speeds, making it easier for developers to build applications. Ethereum co-founder Vitalik Buterin has called ZK-Rollups a “game-changer” that is poised to surpass Optimistic Rollups.
Polygon, known for its pioneering layer-1 Proof-of-Stake chain, continues to thrive despite the current crypto winter.
Last month, another zkEVM platform—zkSync—successfully raised $200 million in a Series C funding round. zkSync, developed by Matter Labs, is home to hundreds of projects and is also a ZK-Rollups solution on Ethereum. The project launched its testnet in February 2022 and began "Baby Alpha" testing for its mainnet 2.0 on October 29.