Tether Unveils Open-Source Wallet Kit for Developers

Tether CEO Paolo Ardoino has announced the upcoming release of a fully open-source Wallet Development Kit (WDK), designed to streamline the creation of self-custodial wallets for iOS and Android platforms.

Empowering Developers with Open-Source Tools

The WDK, slated for release this week, aims to enable the development of a vast ecosystem of self-custodial wallets. Ardoino showcased a demo featuring non-custodial support, diverse mnemonic backup solutions, and a comprehensive DeFi module encompassing USDT, lending, and swapping functionalities.

Key features of Tether’s WDK include:

• Open-Source: Promoting transparency and community-driven development.
• Modular Design: Facilitating easy integration and customization.
• Scalability: Built to handle significant transaction volumes.
• Robust Security: Rigorously tested for reliability.

More Than Just Wallets: AI and Automation

Beyond traditional wallet functionalities, Tether envisions the WDK supporting AI agents and robots, expanding its potential applications. The kit is designed to be resilient and adaptable, addressing a wide range of scenarios.

The WDK aims to support all blockchains compatible with Tether's stablecoins. Furthermore, Tether plans to provide UI templates to simplify the process of creating non-custodial experiences across diverse platforms. The kit prioritizes data security through peer-to-peer (P2P) structures.

Key Takeaways:

• Tether is releasing an open-source Wallet Development Kit (WDK).
• The WDK supports iOS and Android, fostering self-custodial wallets.
• The kit includes features like multi-chain support, AI integration, and P2P data security.
• Tether is actively expanding its reach into both retail payments and AI-driven crypto services.

Continued Growth and Profitability

Tether's strategic investment in Zengo Wallet demonstrates commitment to self-custody. The company also reported a net profit of $4.9 billion for Q2 2025, bringing the total for the first six months of the year to $5.7 billion. Tether's USDT market capitalization reached an all-time high of $180.32 billion.