The Polygon community initiated a pre-proposal discussion on the first phase of zkPoS. The proposal proposes to securely connect Polygon PoS to AggLayer using zero-knowledge (ZK) validators to verify the network's consensus mechanism, thereby establishing the finality of network settlement to AggLayer. This consensus proof is complementary to pessimistic proofs and ensures the security of all chains connected to AggLayer.
The consensus proof will be guaranteed by the Plonky3 proof system through Succinct Labs' SP1, a general zkVM that allows the execution of AggLayer proof standard Rust.
This upgrade will bring two major direct benefits:
- Aggregate liquidity, users and state through AggLayer, bringing greater network effects to users and developers;
- Upgraded bridging experience, including permissionless token transfers.
Polygon plans to propose a formal PIP in the fall and plans to deploy the connection between Polygon PoS and AggLayer by the end of this year.