Original | Odaily Planet Daily (@OdailyChina)
Author | Qin Xiaofeng (@QinXiaofeng 888 )
On March 24th, Tether, the world's largest stablecoin issuer, announced that it has formally commissioned one of the Big Four accounting firms to initiate the first comprehensive independent financial statement audit in the company's history. In the announcement, Tether positioned this act of self-verification as "the largest first-time audit in the history of financial markets."
Previously, Tether had long faced skepticism regarding the transparency of its reserves, while its competitor Circle (issuer of USDC) had long been subject to annual audits by Deloitte, keeping Tether constantly in the spotlight of public opinion. Now that Tether has finally signed with a Big Four firm, this years-long transparency competition seems to have reached its true conclusion—yesterday, Circle's stock price plummeted by up to 20%.
When USDT, with a market capitalization exceeding $184 billion, begins to undergo the most rigorous financial scrutiny, its impact is destined to extend beyond the small circle of cryptocurrency and touch upon the deeper operational logic of the global financial system. This is not just about the reputation of Tether as a single company; it is a critical turning point for the entire stablecoin industry moving from partial compliance to comprehensive auditing.
I. Tether's Redemption: From a Trust Deficit to Sunlight and Transparency
Looking back at Tether's growth trajectory, 2021 can be considered a true watershed. That year, Tether faced two major regulatory penalties in quick succession, paying a total of nearly $60 million in fines. These lessons also became the starting point for its subsequent systematic compliance building.
In February 2021, an investigation by the New York Attorney General's office (NYAG) uncovered Tether's original sin: for a period, the company did not have sufficient reserves to back all the USDT in circulation and had even misused $900 million in reserves to cover losses at its affiliated exchange, Bitfinex. Ultimately, Tether paid an $18.5 million fine to settle and promised to submit quarterly reports disclosing the composition of its reserve assets.
In October of the same year, the U.S. Commodity Futures Trading Commission (CFTC) stepped in again, accusing Tether of misleading investors between 2016 and 2019—the statement that "each USDT is backed by 1 USD" was proven to be inaccurate. For this, Tether paid another $41 million fine.
Although these two penalties came at a significant cost, they also forced Tether to begin building a compliant institutional framework. Even so, market doubts about its reserves never dissipated; labels like "paper tiger" and "ticking time bomb" continued to follow it.
Under regulatory pressure, Tether began publishing quarterly attestation reports in an attempt to regain trust. However, these reports, issued by firms like Moore Cayman in the Cayman Islands, were essentially just reserve snapshots, falling far short of a true comprehensive audit, and their credibility remained limited.
This semi-transparent state left Tether in an awkward position: on one hand, it was indeed disclosing reserve composition, proving assets exceeded liabilities; on the other hand, the market always questioned the depth and reliability of such reports.
Tether's commissioning of a Big Four firm for a comprehensive audit holds significance far beyond a routine financial check. This audit needs to cover an extremely complex combination of digital assets, traditional reserves, and tokenized liabilities, a scale so large it is extremely rare worldwide, except for a few sovereign entities.
For Tether, long plagued by doubts, this is nothing less than a true coming-of-age ceremony. With the endorsement of a Big Four firm, the legitimacy of USDT as a digital dollar is no longer just talk. For Wall Street, large pension funds, sovereign wealth funds, and other institutions waiting to enter, seeing the audit report from a Big Four accounting firm will give them more confidence to include USDT in their asset allocation. This will not only bring more capital inflows for Tether but also promote further maturation of the entire digital asset market.
As Tether CEO Paolo Ardoino said: "Trust is built when institutions are willing to undergo comprehensive scrutiny. This audit is part of our efforts over the years to strengthen the system, aiming to allow Tether to meet the highest standards in the global financial领域."
II. Industry Reshuffle Accelerates, Tether Consolidates "Digital Central Bank" Status
In the past, Circle, with its image of "compliance and transparency,"一直 occupied the moral high ground in the stablecoin market. Its focus on U.S. regulatory compliance and emphasis on the advantages of Deloitte audits often left Tether in a defensive position in the competition.
But Tether's signing with a Big Four firm this time is equivalent to launching a frontal assault in the opponent's strongest field, directly shaking the core moat that USDC has built over many years. Once the audit is completed, USDT will no longer have a transparency shortcoming and may instead leverage its huge scale advantage to further widen the gap with its competitors.
Data shows that USDT's market capitalization exceeds $184 billion, with over 550 million global users. This scale advantage, after undergoing a Big Four audit, is likely to translate into a stronger compliance advantage, creating a situation where the strong get stronger. In comparison, USDC's market capitalization is about $78.7 billion. Although it started compliance early, it has been far left behind in terms of scale.
Perhaps influenced by Tether's acceptance of a Big Four audit, on the evening of March 24th, Circle's stock fell from $126 to briefly跌破 $100, currently reported at $101, with a maximum 24-hour drop of 20%.
Tether's ambitions clearly extend beyond the cryptocurrency领域. In fact, Tether is already one of the major holders of U.S. Treasury bonds, ranking around the top 20, and its influence has already extended into the sovereign debt market, making its role in the traditional financial system increasingly important.
From a geopolitical perspective, for those emerging market countries experiencing hyperinflation or financial封锁, such as Turkey, Argentina, Nigeria—a USDT audited by a Big Four firm might even be more trustworthy than the local banking system, becoming a de facto digital dollarization tool.
This expansion of influence is transforming Tether from a mere digital currency issuer into a key piece of infrastructure within the global financial system. As the company's statement said, Tether is "setting the benchmark for responsible digital asset infrastructure at scale."
Tether's Multi-Dimensional Compliance Layout
In preparation for the Big Four audit, Tether made a key personnel adjustment in early 2025, appointing Simon McWilliams as Chief Financial Officer (CFO). His加入 helped Tether establish an internal financial架构 that meets the standards of top-tier audit firms, ensuring the company has the institutional foundation necessary to undergo a comprehensive audit.
McWilliams said regarding the audit: "We selected this Big Four accounting firm through a competitive process because the company is already operating at the standard required for a Big Four audit, and the audit work will be completed smoothly." These words透露出 Tether's confidence in passing the audit and also indicate that internal preparations were long ready.
The most strategically significant step in Tether's compliance layout was the launch of USAT, a compliant stablecoin specifically for the U.S. market, achieving full alignment with the U.S. regulatory framework.
In September 2025, Tether officially launched USAT, its first fully U.S.-regulated, dollar-backed stable币. USAT was designed from the outset to meet the stringent requirements of the GENIUS Act. This act was signed into law by the U.S. President in 2025, establishing a federal regulatory framework for stablecoin issuance.
The GENIUS Act sets strict standards for stablecoin issuers: 100% reserve backing, annual independent audits, anti-money laundering compliance, and tiered regulatory requirements. USAT was built according to these requirements from birth—appointing Bo Hines, former executive director of the White House Crypto Council, as CEO, issued by the first federally chartered crypto bank Anchorage Digital, with Wall Street giant Cantor Fitzgerald acting as reserve custodian.
Notably, just one month after its launch, USAT successfully passed an audit by Deloitte. Currently, USAT's market cap is about $27 million,虽然远不及 USDT's $184 billion, it represents the highest standard Tether can achieve in terms of compliance.
This dual-track arrangement reflects Tether's strategic deployment: USDT continues to serve the global market, especially emerging markets and regions with relatively宽松 regulation; while USAT serves as a compliant version of the digital dollar for U.S. institutions and regulated entities. This allows Tether to respond flexibly in different regulatory environments, maintaining global influence while meeting the strict requirements of the U.S. market.
Beyond financial compliance, Tether has also completed a role transformation in terms of law enforcement cooperation. According to Tether's disclosures, it has assisted law enforcement agencies in 62 countries and regions worldwide in handling over 1,800 cases, freezing USDT worth $3.4 billion related to illegal activities. According to a report by blockchain analytics company Elliptic, by the end of 2025, Tether and Circle had banned approximately 5,700 wallets, involving assets of about $2.5 billion, three-quarters of which were USDT.
Tether CEO Paolo Ardoino commented on this: "Law enforcement agencies contact us, provide relevant information, we verify it and take action according to the laws of the relevant country. We follow this process when cooperating with agencies like the U.S. Department of Justice and the FBI."
This law enforcement cooperation not only improves Tether's regulatory image but also provides strong support for its compliant operation worldwide. Transforming from a passive "regulatory target" to an active "law enforcement partner," Tether has successfully repositioned itself as a responsible participant in the global financial system.
Conclusion: The Era of Comprehensive Audits for Stablecoins Has Just Begun
Tether's signing with a Big Four firm is not just an act of self-redemption; it is the true beginning of an industry reshuffle.
As the Big Four accounting firms become deeply involved, the transparency and institutionalization of stablecoins are moving towards parity with traditional finance. When comprehensive audits become the industry standard, competition in the stablecoin market will no longer be limited to who is more transparent, but will shift towards who can provide more value within the compliance framework.
For Tether, this long-awaited coming-of-age ceremony is both an end and a beginning. It marks the completion of Tether's journey from controversy to recognition and opens a new chapter in its journey as a global digital financial infrastructure. For the entire digital asset industry, a more mature, transparent, and institutionalized era has already begun.
