# Unlock Protocol Feature Announcement: Addition of Base Sepolia Testnet

> Developers can now test their Unlock Protocol-powered apps on Base Sepolia.

**Published by:** [Unlock Protocol](https://paragraph.com/@unlockprotocol/)
**Published on:** 2024-04-04
**URL:** https://paragraph.com/@unlockprotocol/base-sepolia

## Content

Sepolia is an Ethereum test network (testnet) that developers use to test their applications and smart contracts before deploying them on a production network. Sepolia is a newer testnet compared to others like the now-deprecated Goerli testnet, providing a more up-to-date environment that closely mimics the mainnet. Unlock Protocol has supported Sepolia on Ethereum mainnet since its release. With this feature release, Unlock Protocol supports Base Sepolia as well.

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