Polygon Labs, creator of the Polygon (MATIC) network, has proposed an architecture for its forthcoming “Polygon 2.0” project. The team suggested in a June 29 blog post that the new project should be made up of four different ‘layers,’ which will combine to create a web of networks ultimately connected to each other through Ethereum. If approved by validators, Polygon 2.0 will also feature an aggregator that makes bridge transactions “near-instant and atomic” the team said.

The team first announced Polygon 2.0 on June 12, claiming that the new project would establish “the value layer” of the Internet. But details were scarce at that time. On June 20, co-founder Mihailo Bjelic proposed upgrading the current Polygon network to use zero-knowledge proofs, which he said was necessary in order to make the old network compatible with the “vision” of 2.0.

The June 30 post goes into greater detail about what Polygon 2.0 will look like. The foundation of the project will be the “staking layer” that currently exists. This consists of a “validator manager” contract on Ethereum plus an additional “chain manager” contract for each individual Polygon chain. In the future, new Polygon chains will be able to form by launching new chain manager contracts on Ethereum.

Connecting to this foundational staking layer will be an “interoperability layer” that contains bridges connecting each Polygon chain to each other, through Ethereum. This layer will be secured by using zero-knowledge proofs to validate all transfers.

The interoperability later will also feature an aggregator that combines individual ZK-proofs from each bridge into one proof before sending it to Ethereum. This will enable “seamless” bridge transactions and “dramatically [reduce] Ethereum gas consumption for proof verification,” the team stated.

The third layer of Polygon 2.0 will be the current execution layer which relies upon the Erigon Ethereum client, and the fourth layer will be a “proving layer” that standardizes the ZK-proof process across all Polygon chains.

The team announced that further details about each layer will be provided at a future date.

Polygon isn’t the only network trying to expand into a multi-chain ecosystem. zkSync Era has announced that it intends to create a network of “Hyperchains,” which it hopes to launch in a testnet phase by the end of the year. Optimism is also trying to create a “Superchain” in cooperation with Coinbase’s Base network, and it recently implemented its “Bedrock” upgrade to pave the way towards this transformation.

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