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_section: Documentation
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_subsection: What is Ethers?
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The ethers.js library aims to be a complete and compact library for
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interacting with the Ethereum Blockchain and its ecosystem. It was
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originally designed for use with [ethers.io](link-ethersio) and
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has since expanded into a much more general-purpose library.
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_subsection: Features
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- Keep your private keys in your client, **safe** and sound
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- Import and export **JSON wallets** (Geth, Parity and crowdsale)
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- Import and export BIP 39 **mnemonic phrases** (12 word backup
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phrases) and HD Wallets (English, Italian, Japanese, Korean,
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Simplified Chinese, Traditional Chinese; more coming soon)
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- Meta-classes create JavaScript objects from any contract ABI,
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including **ABIv2** and **Human-Readable ABI**
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- Connect to Ethereum nodes over
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[JSON-RPC](link-jsonrpc), [INFURA](link-infura),
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[Etherscan](link-etherscan), [Alchemy](link-alchemy),
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[Cloudflare](link-cloudflare) or [MetaMask](link-metamask).
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- **ENS names** are first-class citizens; they can be used
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anywhere an Ethereum addresses can be used
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- **Tiny** (~88kb compressed; 284kb uncompressed)
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- **Complete** functionality for all your Ethereum needs
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- Extensive [documentation](link-ethers-docs)
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- Large collection of **test cases** which are maintained and added to
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- Fully **TypeScript** ready, with definition files and full
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TypeScript source
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- **MIT License** (including //ALL// dependencies); completely open
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source to do with as you please
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_subsection: Developer Documentation
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_toc:
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getting-started
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concepts
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api
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cli
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cookbook
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migration
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testing
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contributing
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documentation
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license
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_subsection: Legacy Documentation
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This section will be kept up to date, linking to documentation of
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older versions of the library.
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- [version 4.0](link-legacy-docs4)
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- [version 3.0](link-legacy-docs3)
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