Tether has completed its long-promised Big Four audit, with KPMG U.S. issuing an unqualified audit opinion on the company's 2025 financial statements. The audit covers the finances behind the $180 billion USDT stablecoin, the largest stablecoin by market capitalization, and represents the first time a Big Four accounting firm has examined Tether's full financial picture.
KPMG U.S. examined Tether International's financial statements for the year ended December 31, 2025, and even counted the company's gold bars as part of the verification process. An unqualified opinion is the highest level of assurance an auditor can provide, indicating that the financial statements present a true and fair view of the company's financial position.
Years of Promises, Finally Delivered
Tether has faced years of scrutiny over the reserves backing USDT, with critics questioning whether the stablecoin was fully backed by dollar-denominated assets. The company had repeatedly promised a full audit but had only released attestations, which are less rigorous than a full audit because they rely on management's representations rather than independent verification.
The completion of a KPMG audit marks a significant milestone for Tether and the broader stablecoin industry. It provides the highest level of independent assurance that USDT is backed by the reserves Tether claims, addressing one of the most persistent criticisms of the world's most traded stablecoin.
What KPMG Examined
The audit examined Tether's full financial statements, including its reserves of U.S. Treasury bills, money market funds, gold, and other assets backing USDT. KPMG's verification process included counting physical gold bars, an unusual step in crypto auditing that underscores the thoroughness of the examination.
Tether's reserves include a significant allocation to U.S. Treasuries, making the company one of the largest holders of U.S. government debt. The audit provides independent confirmation that these holdings exist and are properly accounted for, a critical validation for a stablecoin that processes trillions of dollars in annual transaction volume.
Why This Matters for the Stablecoin Industry
The audit sets a new standard for stablecoin transparency. While other stablecoin issuers have released attestations or limited audits, a full Big Four audit of a $180 billion stablecoin is unprecedented. It raises the bar for competitors like Circle, issuer of USDC, and other stablecoin projects that have faced similar questions about their reserves.
The audit also comes at a critical time for stablecoin regulation. With the EU's MiCA framework fully in effect and the U.S. Congress considering the Clarity Act, regulators are paying close attention to stablecoin reserves. A KPMG audit provides the kind of institutional-grade assurance that regulators have been demanding.
The Broader Context
Tether's audit completion follows a period of significant growth for the company. USDT has grown to approximately $184 billion in circulation, maintaining its position as the dominant stablecoin despite increasing competition. The company has also expanded beyond stablecoins into Bitcoin mining, energy trading, and other ventures.
The audit may also influence the regulatory debate. As the SEC delays its crypto regulation efforts, institutional-grade transparency from the largest stablecoin issuer could help shape the regulatory conversation. It also comes as new stablecoins are launching globally, each facing the same questions about reserves that Tether has now answered with a Big Four audit.
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