According to @paoloardoino, Tether has a 99% profit margin, and the post did not provide further financial details or methodology, indicating it is a topline claim only (source: Paolo Ardoino on X, Sep 17, 2025). Tether issues the USDT stablecoin widely used for crypto trading liquidity and maintains transparency reports on its official website for financial information review (source: Tether official website).