# Overview

ICTech is the world’s leading multi-chain self-hosted wallet, supporting multiple mainstream public chains such as ICP and ICT. The private key of the wallet is stored in the user’s device and will never be uploaded to the server. Users can fully control encrypted assets.

Welcome to the ICTech wallet development document. By learning this document, you can access wallet-related functions in the following ways

* **Develop Dapp application, run in wallet dapp browser**
* **Mobile Wallet**

[<mark style="color:blue;">Brief introduction of wallet →</mark>](https://ictech.gitbook.io/icplaza-docs/ictech-client/brief-introduction-of-wallet)
