# Optimism Summery

By [Geeta Devi ](https://paragraph.com/@aptcoin) · 2023-08-02

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OP Mainnet is a fast, stable, and scalable L2 blockchain built by Ethereum developers, for Ethereum developers. Built as a minimal extension to existing Ethereum software, OP Mainnet's EVM-equivalent architecture scales your Ethereum apps without surprises. If it works on Ethereum, it works on OP Mainnet at a fraction of the cost.

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*Originally published on [Geeta Devi ](https://paragraph.com/@aptcoin/optimism-summery)*