Tether’s Wallet Development Kit has surpassed 100,000 self-custodial wallets as the company looks to establish itself as a provider of wallet infrastructure for the digital asset industry.
The milestone coincides with the rollout of a new developer portal that provides technical documentation, integration resources, modular tools and access to a partner ecosystem.
The WDK developer website is live!
Everything in one place: documents, modules, manuals, changelog and partner program.
Here’s what’s new 🧵 pic.twitter.com/h1Ma9v1SnI
— WDK (@WDK_tether) June 18, 2026
What is Tether’s Wallet Development Kit?
The Wallet Development Kit, or WDK, is Tether’s open-source toolkit that allows developers to build proprietary crypto wallets on multiple blockchains and devices. The platform supports use cases ranging from retail crypto wallets and decentralized financial integrations to AI-powered services and connected devices.
The company said WDK addresses a long-standing challenge in the crypto industry by reducing the need for separate integrations between different blockchains. The toolkit supports major networks such as Bitcoin, Ethereum, Solana, TON and TRON, while developers can extend its functionality via additional modules.
WDK combines portfolio management tools, blockchain indexing services, user interface kits and reference applications into a single framework. According to Tether, the system is designed to give developers more flexibility and ownership while providing the infrastructure needed for future AI and machine-driven financial applications.