USDT Reserve Status

USDT Reserve Status: What Backs Every Token?

By: USDTPeg.com
March 20, 2026

The stability of the USDT peg depends entirely on the quality and liquidity of Tether's reserve assets. Since 2021, Tether has significantly improved the composition of its reserves, shifting away from commercial paper toward US Treasury bills and other high-quality short-term instruments.

Current Reserve Breakdown

As of mid-2025, Tether reports total reserves exceeding $184 billion, consisting primarily of US Treasury bills (approximately 80% of reserves), cash and bank deposits, overnight reverse repurchase agreements, money market funds, and a small allocation to gold, Bitcoin, and other alternative assets. The company also holds Tether Gold (XAUt), backed by physical gold stored in Swiss vaults.

How Attestations Work

Tether publishes quarterly reserve attestations reviewed by BDO Italia, one of the top 10 global accounting firms. These attestations confirm that at the time of the snapshot, Tether holds sufficient assets to back all outstanding USDT. However, critics note that attestations differ from full independent audits — they verify a point-in-time snapshot rather than providing continuous oversight of reserve movements.

S&P Global's 'Weak' Rating

In late 2024, ratings agency S&P Global downgraded the USDT peg assessment to 'weak,' citing persistent gaps in reserve disclosure and an increase in higher-risk assets within the portfolio. The agency also noted limitations in USDT's primary redeemability — most retail users cannot directly redeem USDT for dollars with Tether, and minimum redemption thresholds are typically $100,000 or more.

Treasury Holdings Scale

Tether's exposure to US Treasuries is so large that by 2025 the company ranked among the top 20 holders of US government debt globally — ahead of many sovereign nations. This scale creates a two-way dependency: Tether's stability depends on Treasury markets, and large-scale USDT redemptions could theoretically affect short-term Treasury prices.

The GENIUS Act Impact

The US GENIUS Act, passed in 2025, established a formal regulatory framework for stablecoin issuers and directly affected reserve requirements. The legislation requires issuers above a certain size to maintain reserves in qualifying liquid assets, obtain federal oversight, and submit to regular external audits. Tether's response included engaging a Big Four accounting firm and launching USAT, a fully US-compliant stablecoin, alongside the existing USDT.