Optimism Goerli
![Optimism Goerli](/_next/image?url=https%3A%2F%2Fres.cloudinary.com%2Falchemy-website%2Fimage%2Fupload%2Fv1694675433%2Fdapp-store%2Fdapp-logos%2FOptimism%2520Goerli.jpg&w=640&q=75)
Enterprise CustomersTestnets
Optimism Goerli
The official Optimism blockchain testnet with all mainnet features.
![Optimism Optimism Logo](/_next/image?url=https%3A%2F%2Fres.cloudinary.com%2Falchemy-website%2Fimage%2Fupload%2Fv1694676530%2Fdapp-store%2Fchain-logos%2FOptimism.png&w=48&q=75)
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What is Optimism Goerli?
Optimism Goerli is the blockchain's public testnet that lets developers test their deployed smart contracts with Optimism Goerli ETH. Developers can leverage Alchemy APIs and webhooks to start developing and testing smart contracts on the Optimism Goerli testnet without expending actual ETH on fas fees.
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Sidechains
Ethereum sidechain, run by a community of +100k validators and lower gas fees than Ethereum mainnet.
![Ethereum Logo](/_next/image?url=https%3A%2F%2Fres.cloudinary.com%2Falchemy-website%2Fimage%2Fupload%2Fv1714581479%2Fdapp-store%2Fdapp-logos%2FEthereum.png&w=96&q=75)
Layer 1 Blockchains (L1s)
Ethereum is a layer 1 Blockchain that powers thousands of decentralized applications.
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Testnets
A recently merged Proof-of-Stake testnet for the Ethereum mainnet.
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Testnets
An Ethereum testnet for solidity smart contract testing with faucet ETH for gas.
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