According to @CoinMarketCap, Tether, the issuer of USDT, has launched QVAC Health, an AI-powered, privacy-focused health and wellness app that keeps user data encrypted and offline, source: @CoinMarketCap on X, Dec 11, 2025. The announcement post did not provide details on token integration, monetization, or any direct impact on USDT issuance, reserves, peg stability, or market structure, source: @CoinMarketCap on X, Dec 11, 2025. For traders, this is a headline to monitor as it signals ecosystem expansion by Tether, but the post offered no trading-impact metrics such as liquidity shifts, funding rates, or stablecoin flow changes, source: @CoinMarketCap on X, Dec 11, 2025.