> For the complete documentation index, see [llms.txt](https://docs.blocto.app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.blocto.app/~/changes/lJG0Ie43hDo96Dq7BMVa/blocto-sdk/ios-sdk/ethereum-op-arbitrum-bsc-polygon-avalanche.md).

# Ethereum / Arbitrum / Optimism / Polygon / BSC  / Avalanche

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Note that Blocto iOS SDK for EVM is still in **Beta**. APIs are subject to breaking changes.
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### What can I do with Blocto iOS EVM SDK?

* **Get access to all the web3.js functionalities**
  * Interact with EVM-compatible blockchains
    * Ethereum Mainnet & Goerli Testnet
    * Arbitrum One Mainnet & Goerli Testnet
    * Optimism Mainnet & Goerli Testnet
    * BSC Mainnet & Tesnet
    * Polygon Mainnet & Testnet
    * Avalanche Mainnet & Testnet
  * Sign messages
  * Send transactions
  * ... and a lot more
* **Seamless onboarding experience**\
  Users can sign up easily with email and start exploring you dApp in seconds.
* **Fee subsidization**\
  You have the option to pay transaction fee for your users and provide a better experience. In that case, we will generate daily fee reports for you to review.
* **Integrated payment**\
  Get paid easily with our payment APIs. Users can pay easily with credit cards or other crypto currencies like Bitcoin, Ethereum, Tron, USDT, ...
* **Connected to Blocto App**\
  Once you've integrated with Blocto iOS SDK, your users can manage their assets easily and securely through Blocto App. Your dApp can tap into the vast blockchain ecosystem instantly.