# approximation

## Recent Posts

- [What is WETH](https://paragraph.com/@approximation/what-is-weth): ERC-20 is a widely adopted token standard on the Ethereum blockchain to implement interchangeable tokens in smart contracts, while Ethereum's native token "ETH" has some differences from the ERC-20 standard in its technical implementation. Since "ETH" is not an ERC-20 token, many Ethereum applications (especially decentralized exchanges and other smart contract-based applications) cannot directly process ETH.

## Blog Information

- [Homepage](https://paragraph.com/@approximation/): Main blog page
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## Optional

- [All Posts](https://paragraph.com/@approximation/): Complete post archive
- [Sitemap](https://paragraph.com/@approximation/sitemap-index.xml): XML sitemap for crawlers