Tether’s Wallet Development Kit has exceeded 100,000 self-custodial wallets, as the company seeks to establish itself as a provider of wallet infrastructure for the digital asset industry.
The milestone comes alongside 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: docs, modules, guides, changelog and partner program.
Here’s what’s new 🧵 pic.twitter.com/h1Ma9v1SnI
— WDK (@WDK_tether) June 18, 2026
What is Wallet Development Kit by Tether?
The Wallet Development Kit, or WDK, is Tether’s open-source toolkit that allows developers to build self-custodial crypto wallets across multiple blockchains and devices. The platform supports use cases ranging from retail crypto wallets and decentralized finance integrations to AI-powered services and connected devices.
The company said WDK addresses a longstanding challenge in the crypto industry by reducing the need for separate integrations across different blockchains. The toolkit supports major networks such as Bitcoin, Ethereum, Solana, TON and TRON, while allowing developers to extend functionality through additional modules.
WDK combines wallet 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 greater flexibility and ownership while providing the infrastructure needed for future AI and machine-driven financial applications.
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