Canto, Astar blockchains plan migration to Ethereum ecoystem as layer 2s

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Cosmos-native layer-1 blockchain Canto has become the latest chain to migrate to Ethereum as a layer 2 zero-knowledge rollup, after another layer-1 blockchain, Astar, announced similar plans moving from the Polkadot ecosystem to Ethereum.

Canto is a permissionless general-purpose blockchain, which is Ethereum Virtual Machine (EVM)-compatible with aims to onboard the traditional financial sector to decentralized finance applications.

Upon an official agreement reached by Canto Commons — a framework where contributors coordinate ideas and solutions to the protocol — its core developers will build a ZK rollup on Ethereum’s second layer, Polygon Labs explained on Sept. 18:

“By leveraging a shared ZK bridge, Canto will eventually tap the liquidity of a unified Polygon ecosystem with easy access to Ethereum.”

Polygon Labs said Canto will “inherit” Ethereum’s security, enabling more decentralization and trustless guarantees when bridging assets over:

“User security comes by way of a best-in-class and in-production ZK prover, meaning community security is ensured by cryptography and inherited from Ethereum, rather than the social-economic incentives of fraud proofs.”

There will be no changes to Canto’s validators or staking system, Polygon Labs added.

Canto follows moves from Astar

Canto joins the likes of Astar, Gnosis Pay, Palm and IDEX to have announced plans to build ZK layer 2s using Polygon’s Chain Development Kit in recent months, according to Polygon Labs co-founder Sandeep Nailwal.

On Sept. 13, the Astar team announced it will soon begin building its own Ethereum layer-2 scaling solution, named Astar ZK-Ethereum Virtual Machine (EVM), also using Polygon’s CDK.

“We are building a trustless bridge to Ethereum with high EVM equivalency right out-of-the-box, so dApp developers can use existing tools to build solutions across our entire ecosystem,” the Astar team explained in a Sept. 14 statement.

Polygon Labs hopes the ZK-powered chain will enable businesses to implement Web3 solutions with increased speed, scalability, and security in Japan — where Astar is based — and around the world.

Ryan Sean Adams, co-host of Ethereum show Bankless said the two most recent migrations to Ethereum could be the start of a rollup avalanche.

Not every protocol is sticking around on Ethereum

Meanwhile, some protocols appear to moving the other way.

Decentralized exchange dYdX announced its intention to build a “purely decentralized” order book exchange on Cosmos as part of a plan to migrate away from Ethereum in early September.

Another Ethereum-native protocol, Maker, signaled plans to move to cut ties with Ethereum and build a new, more “efficient” chain with Solana’s codebase in September too.

Related: Idealistic Ethereum community-built zkEVM Scroll launching in weeks

Maker’s co-founder Rune Chistensen added Solana currently stands as the “most promising” ecosystem to explore as it proved its resilience during the FTX debacle and has a high-quality pool of talent developers building on Solana.

Nonfungible token collection OnChainMonkey is also shifting its entire collection of 10,000 NFTs from Ethereum to Bitcoin. The team behind the protocol cited a more secure base layer and a thriving Bitcoin Ordinals ecosystem as the main reason behind the migration plan.

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