Manta x Polyhedra: zkBridge fast finality for optimistic rollups
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Breaks down how Polyhedra's zkBridge uses zkSNARK light-client proofs to give Manta Pacific fast finality despite the optimistic challenge period. Covers the relay network, updater contract, Lagrange State Committees and deVirgo proving.
Key claims
deVirgo can prove Ethereum PoS consensus in about 10 seconds per block
Lagrange State Committees use restaked Ethereum validators on EigenLayer
0/ Two leading ZK projects join forces to bring secure & fast interoperability to optimistic rollups!
An EVM-native execution layer for zkApps with interop through light client-based state verification via ZK proofs is a game-changer!
馃У on @MantaNetwork x @PolyhedraZK (0/15)
1/ As blockchain networks grow, so does the need for seamless & secure interoperability between them.
@PolyhedraZK's zkBridge might be the gold-standard to solve this.
2/ #zkBridge is a cross-chain interoperability protocol that uses zkSNARKs to efficiently convince receiver chains of state transitions on sender chains.
3/Key components of zkBridge include:
馃敼 The block header relay network
馃敼 The updater contract
4/ The relay network fetches block headers from the sender chain and initiates the #zkSNARK proof generation.
These zkSNARK proofs are then sent to the updater contract on the receiver chain.
5/ The updater contract, equipped with a light-client, verifies the proof and hence the state transition of the sender chain.
Subsequently, the validated block headers are added to the sender chain鈥檚 canonical chain, reflecting the sender chain's state transition.
6/ This mechanism enables secure cross-chain interoperability between various L1 and L2 networks.
I have previously covered this mechanism here 馃憞
x.com/expctchaos/status/1663563684722147329
7/ A major challenge in cross-rollup interoperability has been the long challenge period that optimistic rollups are subject to.
@MantaNetwork's partnership with @PolyhedraZK aims to address this, and provide fast finality to Manta Pacific.
8/ What is Manta Pacific you ask?
Manta Pacific is a modular L2 optimized for EVM-native ZK applications built on top of the OP-Stack.
x.com/expctchaos/status/1678833185348816898
9/ While Manta Pacific inherits atomic composability features through shared sequencing in the context of @optimismFND's superchain vision, the zkBridge integration will enable fast finality interoperability beyond the superchain!
x.com/expctchaos/status/1691858018772701531
10/ zkBridge achieves fast finality using Lagrange State Committees, which generate zero-knowledge state proofs for optimistic rollups using restaked #Ethereum validators on @eigencloud.
This significantly reduces the time needed for state finality.
11/ By incorporating the efficient proof system deVirgo, the proving time for #Ethereum full PoS (proof of consensus) can be as fast as 10 seconds per block.
This breakthrough aligns with Ethereum's block time, making cross-chain interactions much more efficient.
12/ The partnership also enables cross-chain #zkSBTs, a technology that facilitates secure, efficient & transparent data access, sharing, and verification across multiple blockchain networks.
13/ This promotes collaboration and improves efficiency across the broader blockchain ecosystem.
For more on @MantaNetwork's zkSBTs, check my thread below 馃憞
x.com/expctchaos/status/1643629633479274501
14/ With both projects being backed by @BinanceLabs and @polychain, @MantaNetwork and @PolyhedraZK are set to bring interoperability, scalability, and privacy to the #Web3 industry through advanced ZKP technology.
15/ In conclusion, this strategic partnership promises to a new era of secure interoperability for optimistic rollups, promoting security & privacy in a rollup-centric multichain future.
@MantaNetwork just keeps delivering! 馃敱
If you liked this short presentation, don't forget to hit that follow button! 馃殌
Like & RT on the first Tweet also highly appreciated! 馃檹
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