#交易类型入门 Ethereum is the world's leading smart contract platform, supporting the development of decentralized applications (DApp) and financial protocols (DeFi). Its core technologies include smart contracts (self-executing code) and the Ethereum Virtual Machine (EVM), initially using Proof of Work (PoW), later upgraded to Proof of Stake (PoS) to enhance energy efficiency and scalability. In 2025, Ethereum 2.0 introduced sharding technology, significantly increasing transaction throughput and reducing costs, while Layer 2 solutions (such as Rollups) further optimize performance. In the ecosystem, Ethereum dominates DeFi (with locked value exceeding $80 billion) and the NFT market but faces competition from Polkadot, Solana, and others. Current price fluctuations are influenced by technological upgrades, institutional funding (such as ETFs), and regulatory policies. In the long term, its technological iterations and ecosystem prosperity still hold potential.