what's Wallet Development Kit (WDK)?
The Wallet Development Kit (WDK) is an open-source modular framework released by Tether to enable developers to build secure, self-custodial wallets for both human users and machine agents. It provides a unified stateless API that abstracts complexities of on-chain transactions and Bitcoin Lightning Network payments, supporting stablecoins like USDT alongside instant Bitcoin micropayments without requiring node management. Optimized for scalability across mobile, web, embedded systems, and AI applications, WDK includes starter wallet implementations for iOS and Android. Its design emphasizes user control over assets, seamless onboarding, and extensibility for large-scale adoption in crypto-native business tools.
Wallet Development Kit (WDK) adds RGB support.
Added RGB support to the development kit.
Self-custody multisig support with peer-to-peer signers coordination, Starter Wallet improvements for SDK features, and UI widgets are announced as upcoming features.
WDK adds Polygon integration with native USDT0 and XAUt0 support for accelerated payments.
Tether officially introduces WDK today with support for Bitcoin, Lightning, USD₮, XAU₮, and USA₮, built for payments, savings, and swaps. Documentation, codebase, and contribution resources are now available.
WDK by Tether releases this week, enabling trillions of self-custodial wallets.
New open-source indexer backend and encrypted P2P seed backup system to be released.