# Introducing Base

By [Untitled](https://paragraph.com/@0x8e2d31d6ae732c5f2e0e99353828f40fd13c3b47-2) · 2023-08-26

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Base is a secure, low-cost, developer-friendly Ethereum L2 built to bring the next billion users to web3. Start building on the Base testnet today and stay tuned for the upcoming mainnet launch.

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*Originally published on [Untitled](https://paragraph.com/@0x8e2d31d6ae732c5f2e0e99353828f40fd13c3b47-2/introducing-base)*