# OP Mainnet
OP Mainnet is a low-cost and lightning-fast Ethereum L2 blockchain powered by Optimism.
Projects
Base
Base is a layer-2 blockchain built on top of Ethereum, designed to support a new wave of open internet applications. It's powered by Optimism and aims to create a sandbox for building apps, games, and digital assets, making Web3 accessible to everyone. Base emphasizes simplicity, offering a low-cost, secure, and scalable environment for developers and users alike to explore and innovate within the blockchain space.
Optimism
Optimism is a low-cost and lightning-fast Ethereum L2 blockchain.
SmolRefuel
Out of gas? Refuel here
Ecosystem
Base
Base is a layer-2 blockchain built on top of Ethereum, designed to support a new wave of open internet applications. It's powered by Optimism and aims to create a sandbox for building apps, games, and digital assets, making Web3 accessible to everyone. Base emphasizes simplicity, offering a low-cost, secure, and scalable environment for developers and users alike to explore and innovate within the blockchain space.
Optimism bridges
A list of all Optimism compatible bridges that enable the sharing of assets and data between other chains and layers.
Zora
ZORA is a group of individuals working towards a new paradigm for creators by enabling the creation, curation, and collection of NFTs. By enabling a more equitable system for creators and communities, we will fundamentally rediscover the power of the internet. ZORA also publishes their own zine at zine.zora.co