$ETH # Development history

- **2015**：

- **2016**：DAO event led to 以太坊硬分叉，divided into ETH） ETC

- **2020：2.0 is launched, aiming to move from PoW to PoS, improve scalability and security.

- **2022

##SECStaking #BinanceAlphaAlert #BybitSecurityBreach #LitecoinETF $ETH 2.0 is a major upgrade, the goal is to improve network scalability, security and sustainability, the main changes include:

- ** Proof of stake（PoS）**：Replace PoW，Reduce energy consumption。

- **分分（Sharding）**： Improve network processing capability.

- **信塑链**：Coordinating 分片银和verification者。

### Application Scenarios

- **DeFi**：以太坊是去中心化金属技术电影电影电影电影电影。

- **NFTs**： Most NFTs Based on 以太坊 distribution and trading.

- **Supply chain management**: Improve transparency and efficiency through smart contracts.

- **Authentication**：去中心化手机电影。

### Challenge

- **Expandable**：Network 春堵和高Gas费是 main problem。

- **Safety**： Smart contract vulnerabilities may lead to loss of funds.

- **Regulation**: The global regulatory environment is uncertain.

以太坊 has an important position in the field of blockchain and cryptocurrency, and its continued development will have a profound impact on the industry.