The QVAC Health app allows users to monitor fitness and wellness data privately on their devices without sending information to external servers.

The launch represents Tether’s continued expansion beyond its core stablecoin business into emerging technologies. With $5.7 billion in profits during the first half of 2025 and 500 million USDT ($1.00) users worldwide, the company has allocated significant resources toward AI investments and infrastructure development.

Privacy-Focused Health Tracking Without Cloud Dependency

QVAC Health operates differently from traditional health apps by keeping all user data on personal devices. The application uses artificial intelligence models that download directly to phones and computers through peer-to-peer networks, eliminating the need for internet connectivity during analysis.

Users can log workouts, meals, symptoms, and medication through natural language input. The AI interprets spoken or typed commands like “feeling tired after lunch” and organizes the information automatically. The app also includes experimental computer vision features that estimate calories and nutrients from food photos without uploading images to external servers.

Paolo Ardoino, Tether’s CEO, explained the company’s approach: “We are building the first truly neutral ground for wellness data. You shouldn’t have to choose between using the best hardware on the market and maintaining your privacy.”

Source: @Tether_to

Future updates will add direct Bluetooth connectivity to fitness devices, allowing the app to bypass manufacturer APIs and cloud services entirely. This would give users complete control over their health information while maintaining compatibility with existing wearables.

Multi-Billion Dollar AI Investment Portfolio

Tether’s health app launch comes alongside a broader $4 billion investment strategy in artificial intelligence and related technologies. The company has deployed funds through its investment arms, Tether Investments and XXI Capital, focusing on projects that align with decentralization principles.

Recent major investments include a €70 million funding round for Generative Bionics, an Italian startup developing industrial humanoid robots. The company also acquired a majority stake in Blackrock Neurotech, a brain-computer interface developer, for $200 million.

In November 2025, Tether partnered with Northern Data and Rumble to lease 20,000 GPUs for AI research and development. This global compute network supports open-source AI development while maintaining privacy-focused principles that align with the company’s broader technology philosophy.

The humanoid robotics sector is projected to exceed €200 billion by 2035 and potentially reach €5 trillion by 2050, according to industry analysts. Tether’s investments position the company to benefit from this growth while supporting technologies that enhance human capabilities.

QVAC Platform Powers Decentralized AI Development

The health app builds on Tether’s QVAC platform, which enables AI applications to run locally on any hardware from smartphones to high-performance servers. QVAC stands for “Local AI. Infinite Intelligence. No Compromise” and represents the company’s vision for decentralized artificial intelligence.

In early December 2025, Tether Data introduced QVAC-fabric-llm infrastructure, described as the world’s first solution for training large language models directly on consumer devices. This technology eliminates dependence on centralized cloud providers and allows AI models to operate without internet connectivity.

The platform supports multiple programming languages and device types, making it accessible to developers who want to create privacy-preserving applications. All AI models download through peer-to-peer networks, ensuring no single point of failure or central authority controls access to the technology.

Record Financial Performance Fuels Technology Expansion

Tether’s AI investments are supported by exceptional financial performance during 2025. The company reported $4.9 billion in net profit for the second quarter alone, bringing total earnings for the first half of 2025 to $5.7 billion.

USDT supply reached approximately $182 billion by late 2025, maintaining Tether’s position as the dominant stablecoin provider. The company serves over 500 million users globally, with CEO Paolo Ardoino calling this milestone “likely the biggest financial inclusion achievement in history.”

Revenue comes primarily from investing USDT reserves in U.S. Treasury securities, making Tether one of the world’s largest holders of government debt. Additional profits derive from Bitcoin and gold holdings, which generated approximately $5 billion in unrealized gains during 2024.

The strong financial position allows Tether to pursue long-term technology investments while maintaining the reserves necessary to back its stablecoin operations. This dual approach of financial stability and innovation investment distinguishes Tether from other cryptocurrency companies.

Strategic Positioning in Emerging Technology Markets

Tether relocated its headquarters to El Salvador in January 2025, obtaining a Digital Asset Service Provider license from local authorities. This move positions the company in a crypto-friendly jurisdiction while navigating regulatory challenges in European markets.

The company focuses its investments on five key areas: finance, power, data, education, and evolution. AI projects fall under the evolution category, reflecting Tether’s belief that artificial intelligence represents a fundamental shift in how technology interacts with human society.

Beyond AI and robotics, Tether has invested in renewable energy projects, digital rights initiatives, and open-source infrastructure development. The largest single investment was $775 million in video platform Rumble, demonstrating the company’s commitment to supporting decentralized alternatives to traditional technology platforms.

These investments align with Tether’s mission to reduce dependence on centralized systems while expanding access to financial and technological tools in emerging markets. The company’s substantial Treasury holdings and profitable stablecoin operations provide the financial foundation for pursuing this strategy.

The Dawn of Sovereign Digital Health

Tether’s QVAC Health launch signals a new approach to personal wellness technology that prioritizes user control over data convenience. As AI capabilities advance and privacy concerns grow, applications that operate entirely on personal devices may become increasingly attractive to health-conscious consumers.

The company’s broader AI investment strategy positions it at the intersection of decentralized finance and emerging technologies, potentially creating new opportunities as these sectors converge. With substantial financial resources and a clear technology vision, Tether appears well-positioned to influence how AI develops in privacy-focused directions.