Ethereum has a well-known problem: transactions are slow, expensive, and don’t scale well. L2s (layer twos) are a new generation of blockchains built on top of Ethereum to solve this problem. Among these new layer two solutions, Linea, a zero-knowledge rollup (or zk rollup), is one of the most promising.

In this article, we’ll look at Linea and why it could be the future of L2s. We’ll walk through a tutorial that creates and deploys a smart contract to Linea. And we’ll do so by using all the industry-standard tools you probably already know for building on the Ethereum network: Infura, MetaMask, Solidity, OpenZeppelin, and Truffle. Let’s get started!

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