Welcome to WDK
Build secure, multi-chain, self-custodial wallets for any device with minimal effort and infinite scalability
The Wallet Development Kit by Tether (WDK) is Tether's open-source toolkit that empowers humans, machines and AI agents alike to build, deploy and use secure, multi-chain, self-custodial wallets that can be integrated anywhere from the smallest embedded device to any mobile, desktop and server operating system. WDK enables trillions of self-custodial wallets.
WDK provides a set of core libraries that give you the highest level of control and a wide range of user-interface templates and widgets to maximize your development and deployment speed.
Discover WDK

Understand WDK core features and design principles

Discover our philosophy and idea for the future wallets

Learn foundational concepts and terminology
Start Building
Node.js Quickstart
Get started with WDK in a Node.js environment
React Native Quickstart
Build mobile wallets with React Native Expo
Bare Runtime Quickstart
Deploy WDK in lightweight environments
UI Kit
Explore our React Native UI Kit with pre-built components