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Optimism: Scalable Ethereum Layer 2 Rollup
Optimism is Ethereum, scaled. As a leading Layer 2 scaling solution, Optimism aims to reduce transaction costs and increase throughput for Ethereum applications, making decentralized technology more accessible and performant.
Go
Added on 2025年6月10日6,107
Stars3,604
ForksGo
LanguageProject Introduction
Summary
Optimism is a Layer 2 scaling solution for Ethereum, implementing Optimistic Rollups to drastically lower transaction fees and improve transaction speed while inheriting Ethereum's security.
Problem Solved
Ethereum mainnet faces challenges with scalability, leading to high gas fees and network congestion, which hinders widespread adoption and usability for many applications and users.
Core Features
Optimistic Rollups
Utilizes Optimistic Rollups technology to bundle transactions off-chain and post compressed data to Ethereum mainnet, significantly reducing gas costs.
EVM Equivalence
Provides full EVM equivalence, allowing developers to deploy existing Ethereum dApps and smart contracts with minimal or no code changes.
Fraud Proofs
Ensures security by posting transaction data to Layer 1 Ethereum and using fraud proofs to challenge invalid state transitions.
Tech Stack
Go
Solidity
Ethereum
Docker
Kubernetes
Circuits (for fraud proofs/challenger)
Use Cases
Optimism is suitable for a wide range of decentralized applications that require high transaction throughput and low fees.
Decentralized Finance (DeFi)
Details
Deploy and use decentralized finance applications (DEXs, lending protocols, yield farming) with reduced gas fees, making frequent transactions economically viable.
User Value
Enables more capital-efficient trading, lending, and yield farming strategies due to lower transaction costs.
NFT Marketplaces and Gaming
Details
Create, buy, sell, and transfer Non-Fungible Tokens (NFTs) at a fraction of the cost compared to transacting on Ethereum mainnet.
User Value
Lowers the barrier to entry for creators and collectors, enabling more dynamic activity within NFT ecosystems and play-to-earn games.
General Purpose dApps
Details
Build and deploy decentralized social networks, gaming platforms, and other consumer-facing dApps that require frequent user interactions.
User Value
Provides a smoother, more responsive user experience by enabling faster, cheaper on-chain actions.
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