> ## Content Index > Fetch the complete content index at: https://stablecoininsider.org/llms.txt > Use this file to discover other available public pages before exploring further. # USDT vs USDC: What's the Difference? (2026) - URL: https://stablecoininsider.org/usdt-vs-usdc-whats-the-difference/ - Published: 2026-08-18T06:36:43.000Z - Updated: 2026-08-18T06:49:07.000Z - Description: USDT is larger and more liquid. USDC is narrower in reserves and tighter on disclosure. Here is how the two dollars actually differ in 2026. - Author: Alexandra - Tags: Fundamentals, Stablecoins USDT and USDC both claim a dollar. They are not the same product. Tether is larger: its 30 June 2026 reserves report recorded $183.6 billion of fiat-denominated tokens issued against $187.8 billion of assets. Circle reported $71.8 billion of USDC in circulation as of 13 August 2026\. Tether’s reserves include U.S. Treasury bills and reverse repo plus gold, bitcoin, public equities, other investments, and secured loans. Circle’s reserves are cash and cash-equivalents — bank deposits, overnight Treasury reverse repo, and Treasuries under three months — disclosed weekly. Direct redemption is gated in both cases. Most holders sell on a venue. Only approved accounts cash out with the issuer. ### Key Takeaways - Tether is the larger token on the dated figures above. How often each dollar moves is a separate question, covered in [USDT Is 2.5x Bigger Than USDC and Moves 3x Less](https://stablecoininsider.org/usdt-is-2-5x-bigger-than-usdc-and-moves-3x-less/). - The reserve mix is the structural split. Tether’s 30 June 2026 report includes Treasuries, reverse repo, precious metals, bitcoin, public equities, other investments, and secured loans. Circle holds cash and cash-equivalents only, mostly in the Circle Reserve Fund (USDXX), an SEC-registered 2a-7 government money market fund managed by BlackRock. - Disclosure cadence is not the same. Tether typically publishes circulation daily and reserve composition quarterly, with a BDO ISAE 3000 report. Circle discloses reserve holdings weekly, plus monthly third-party attestations under AICPA standards. - Issuer redemption is not a retail window. Tether’s published minimum is 100,000 USD; the fee is the greater of $1,000 or 0.1%; Tether has sole discretion to approve accounts. Outside the EEA, Circle redeems only through a Circle Mint account (User Type A). Circle states that Mint is not available to individuals. - Neither token is a bank deposit. Circle’s USDC Terms state that USDC in a Circle Mint account is not subject to FDIC or SIPC protection. Tether’s fees page does not claim deposit insurance. ## The Short Answer The peg is not the difference. Both issuers state a 1-to-1 dollar. The operating difference is the reserve mix, the disclosure calendar, the redemption gate, and which licensed entity is on the hook. ## Who Issues Each Token USDT is issued by Tether International, S.A. de C.V., a Salvadoran company. Tether’s Relevant Information Document (20 February 2026) states that Tether International is the customer-facing issuer, authorized by El Salvador’s National Commission of Digital Assets (CNAD) as a stablecoin issuer and Digital Assets Service Provider (PSAD-0028). Tether launched in 2014\. As of 30 June 2026, fiat-denominated tokens were issued on 13 blockchains. The RID reported 819 KYC-verified customers as of 16 February 2026. USDC is issued by Circle Internet Financial, LLC. The USDC Terms (12 December 2025) apply to holders outside the EEA and state that, from 1 July 2024, Circle Internet Financial Europe SAS is a dual issuer. Circle is an NMLS money transmitter (NMLS #1201441), including New York money-transmitter and virtual-currency licenses. In France, Circle Internet Financial Europe SAS holds Electronic Money Institution license No. 17788 from the ACPR. Circle states that USDC is natively issued on 36 blockchains as of 6 August 2026, and that Circle Mint is available to exchanges, institutional traders, banks, and large financial institutions — not to individuals or small businesses. ## Reserves and Disclosure This is where the two dollars stop looking interchangeable. The full reserve question is covered in [what backs Tether](https://stablecoininsider.org/what-backs-tether-usdt/) and [what backs USDC](https://stablecoininsider.org/what-backs-usdc/). **Tether, as of 30 June 2026 (11:59 PM UTC).** BDO Advisory Services S.r.l. issued an ISAE 3000 (Revised) reasonable-assurance opinion on 31 July 2026\. The report is extracted from accounting records; it is not a full set of IFRS financial statements. Total assets were $187,751,426,411\. Total liabilities were $183,641,897,215, of which $183,622,105,630 related to digital tokens issued. Assets exceeded liabilities by $4,109,529,196. Cash, cash-equivalents, and other short-term deposits were $140.6 billion, or 74.9% of assets — $115.0 billion of U.S. Treasury bills (weighted-average maturity under 90 days) plus overnight and term reverse repo. The rest of the book is the mix Circle does not run: precious metals $18.8 billion (10.0%), secured loans $13.5 billion (7.2%), bitcoin $5.8 billion (3.1%), other investments $5.2 billion, and public equities $3.8 billion. Tether’s FAQ states that it holds bitcoin and gold as an inflation hedge, and that excess reserves are the cushion against bitcoin’s volatility. BDO’s opinion is point-in-time; the notes were not in the assurance scope. Tether typically publishes circulation daily and reserve composition quarterly on its transparency page. It does not commit to update those figures at any particular interval. The live daily circulation total is a dashboard figure and was not captured as a static number on that page, so it is not restated here. **Circle.** [Circle’s transparency page](https://www.circle.com/transparency), as of 13 August 2026, classifies USDC reserves as other bank deposits, deposits at systemically important institutions, overnight reverse Treasury repo, and Treasuries under three months — held in custodial accounts, a separately managed account, or the Circle Reserve Fund (USDXX). Circle states that USDC is fully backed by highly liquid fiat reserves held separately from Circle’s operating funds; that holdings and mint/burn flows are disclosed weekly; and that a Big Four firm provides monthly AICPA attestations that reserves exceed circulation. Deloitte & Touche LLP has audited Circle’s financials since fiscal 2022. The 30 June 2026 examination report is more granular. USDC in circulation was 73,268,560,097\. Fair value of reserve assets was $73,344,909,176\. The Circle Reserve Fund held $61.9 billion (84.4%); cash at regulated banks and settlement-timing items held $11.4 billion. Circle later reported $71.8 billion in circulation as of 13 August 2026\. The matching reserve dollar total for that date did not render as a static figure, so it is not restated here. Tether shows a mixed book four times a year, with a named assurer on a snapshot date. Circle shows a narrower book every week, with a monthly attestation and daily public holdings for the BlackRock-managed fund. ## Redemption Issuer redemption is a claim on reserves. A sale on an exchange is a trade with another holder. Both can produce dollars. Only one is the mechanism the peg is built on. The process is set out in [how to redeem a stablecoin for dollars](https://stablecoininsider.org/how-to-redeem-a-stablecoin-for-dollars/). **Tether.** The controlling document is [Tether’s fees page](https://tether.to/en/fees/). Minimum acquisition or redemption: 100,000 USD. Fee per redemption: the greater of $1,000 or 0.1%. Fee per acquisition: 0.1%. Verification fee: 150 USD in Tether tokens, non-refundable, but it can form part of a redemption. Tether maintains sole discretion to approve accounts. Withdrawals of tokens held by Tether can take several days. The $1,000 floor binds below $1 million: on a $100,000 redemption, 0.1% is $100, so the floor applies. Tether’s RID confirms the same terms for KYC-verified customers and states that primary-market obligations exist only with respect to those customers. **Circle, outside the EEA.** The USDC Terms split holders in two. User Type A has a Circle Mint account and can issue and redeem USDC with Circle. User Type B holds USDC without a Mint account, is not a Circle customer, and may not redeem unless and until they open a Mint account. Circle commits to redeem 1 USDC for 1 USD, subject to the Terms, applicable law, and any fees. Sending USDC assigns that right to a new holder only if the holder is eligible and registers a Circle Mint account. The Terms point to a USDC Fee Schedule; those dollar tiers are not on the Terms page and are not restated here. **Circle, inside the EEA.** Circle’s MiCA Redemption Policy is a different document. Circle France (EMI license No. 17788) redeems USDC held by holders established in the EEA; holders outside the EEA redeem with Circle LLC. The policy cites Article 49 of MiCA: holders have a right of redemption at any time and at par value, subject to the policy’s conditions. Retail holders may redeem with Circle France through a dedicated form, subject to KYC/KYT and an EEA IBAN; payment should not take more than five business days unless discrepancies are identified. Non-retail holders redeem through a Circle France Mint account. No processing SLA for non-EEA Mint redemptions is stated in the USDC Terms. ## Regulation In the EU, [Regulation (EU) 2023/1114 (MiCA)](https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A32023R1114) defines an e-money token as a crypto-asset that purports to maintain a stable value by referencing one official currency. Recital 66 states that issuers of e-money tokens should be authorized as a credit institution or as an electronic money institution. Recital 67 states that holders should always be granted a right of redemption at par value, at any time, against the referenced currency. Circle’s French entity holds that EMI license. Tether International’s authorization is under El Salvador’s Digital Asset Issuance Law, not an EU electronic-money institution license. The listing consequences of that gap are covered in [how stablecoins are regulated](https://stablecoininsider.org/how-are-stablecoins-regulated/). In the United States, Circle’s USDC Terms state that USDC is regulated as stored value or prepaid access under state money-transmission laws. Tether’s 30 June 2026 reserves report states that Tether International is registered as a Money Services Business with FinCEN and reports to El Salvador’s Financial Investigation Unit. The issuer pages fetched for this post do not restate the U.S. federal payment-stablecoin statute; that framework is in the regulation guide linked above. Two limits apply in every jurisdiction those documents actually address. Redeemable is not the same as unconditionally redeemable by every wallet. And regulated is not insured. Circle says so in the USDC Terms. Tether does not offer a deposit-insurance claim on its fees page. ## USDT vs USDC at a Glance | | Tether (USDT) | Circle (USDC) | | --------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------ | --------------------------------------------------------------------------------------------------------------------------------------------- | | Issuer | Tether International, S.A. de C.V. (El Salvador; CNAD-authorized) | Circle Internet Financial, LLC; dual issuer Circle Internet Financial Europe SAS (France EMI No. 17788) from 1 July 2024 | | Issued supply (dated) | $183.6 billion of fiat-denominated tokens issued as of 30 June 2026 | $71.8 billion of USDC in circulation as of 13 August 2026 | | Reserve mix (dated) | Mixed: 74.9% cash and short-term (mostly U.S. T-bills and reverse repo), plus gold, bitcoin, equities, other investments, secured loans (30 June 2026) | Cash and cash-equivalents only: Circle Reserve Fund (Treasuries, overnight Treasury repo, cash) plus bank deposits (30 June 2026 attestation) | | Disclosure | Circulation typically daily; reserve composition quarterly | Reserve holdings and mint/burn weekly; monthly Big Four attestation | | Third-party check | BDO ISAE 3000 (Revised) reasonable assurance on a snapshot date | Monthly AICPA attestation that reserves ≥ circulation; Deloitte audits Circle’s financials | | Who redeems with the issuer | KYC-verified customers; Tether has sole discretion to approve | Outside EEA: User Type A (Circle Mint) only. EEA: Circle France; retail holders may use a dedicated form under the MiCA Redemption Policy | | Published minimum | 100,000 USD | No public dollar minimum in the USDC Terms; Mint is not available to individuals | | Published redemption fee | Greater of $1,000 or 0.1% | 1 USDC for 1 USD, subject to the Terms, law, and any fees. Specific Mint fee tiers are not on the Terms page | | Deposit insurance | Not claimed on the fees page | Not FDIC or SIPC insured | ## How to Choose This is an operating decision, not a ranking. Choose on the constraint that actually binds. If the constraint is **venue coverage**, USDT is the larger issued token on the dated figures above, and Tether describes it as the most widely adopted across major exchanges, OTC desks, and wallets. If the constraint is **reserve perimeter**, USDC is the narrower book: cash and cash-equivalents, weekly holdings, a registered government money market fund with daily reporting via BlackRock. Tether’s book is larger and mixed; gold and bitcoin can move against the dollar the token tracks. If the constraint is **issuer redemption**, read the gates first. Below $100,000 of USDT, or without Tether approval, the Tether desk is closed. Without a Circle Mint account, and outside the EEA, the Circle desk is closed. In the EEA, Circle France’s MiCA policy is the document that matters for USDC. Otherwise the practical cash-out is a secondary-market sale. If the constraint is **EU e-money issuance**, Circle’s French EMI license and Tether’s CNAD authorization are not substitutes. If the constraint is **insurance**, stop. Neither token is a deposit. ## Conclusion USDT vs USDC in 2026 is a four-variable comparison: size, reserve mix, disclosure, and the redemption gate. Tether is larger, mixed in reserves, quarterly in composition reports, and expensive to exit at the issuer — $100,000 minimum, the greater of $1,000 or 0.1%, discretionary approval. Circle is smaller, narrower in reserves, weekly in holdings, and account-gated outside the EEA through Circle Mint, with a separate MiCA redemption path for EEA holders through Circle France. Both issuers state a dollar. The documents behind those statements do not. Read the reserve report and the redemption terms for the token you actually hold. Then decide whether you need the issuer desk, or whether a venue sale is the cash-out you will use. ## FAQs: ### 1\. What is the main difference between USDT and USDC? USDT is larger and backed by a mixed reserve. USDC is smaller and backed only by cash and cash-equivalents, with weekly disclosure and monthly attestations. Tether publishes a $100,000 minimum and a greater-of-$1,000-or-0.1% fee. Circle, outside the EEA, redeems only through Circle Mint. ### 2\. Which is larger, USDT or USDC? Tether is larger on the dated primary figures: $183.6 billion of fiat-denominated tokens issued as of 30 June 2026, against $71.8 billion of USDC as of 13 August 2026\. Turnover versus supply is a different league table, covered in [USDT Is 2.5x Bigger Than USDC and Moves 3x Less](https://stablecoininsider.org/usdt-is-2-5x-bigger-than-usdc-and-moves-3x-less/). ### 3\. Can I redeem USDT or USDC directly with the issuer? Only if you meet the issuer’s rules. Tether requires 100,000 USD, charges the greater of $1,000 or 0.1%, and may refuse accounts. Outside the EEA, Circle redeems only for Circle Mint holders and states that Mint is not available to individuals. Inside the EEA, Circle France’s MiCA policy provides a par-redemption path for retail holders, subject to KYC/KYT. Selling on an exchange is not issuer redemption. ### 4\. What backs USDT and USDC? Tether’s 30 June 2026 report put $187.8 billion of assets against $183.6 billion of token liabilities, with 74.9% in cash and short-term instruments and the balance in gold, bitcoin, equities, other investments, and secured loans. Circle’s 30 June 2026 attestation put $73.3 billion of reserve assets against 73.3 billion USDC, held in the Circle Reserve Fund and in cash at regulated banks. See [what backs Tether](https://stablecoininsider.org/what-backs-tether-usdt/) and [what backs USDC](https://stablecoininsider.org/what-backs-usdc/). ### 5\. Is USDC regulated and USDT not? Both have a regulator. They do not have the same one. Circle is a U.S. money transmitter, including under the New York Department of Financial Services, and its French entity is an ACPR-authorized electronic money institution. Tether International is a CNAD-authorized stablecoin issuer in El Salvador and a FinCEN-registered money services business. Regulation is not deposit insurance. --- Disclaimer:This content is provided for informational and educational purposes only and does not constitute financial, investment, legal, or tax advice; no material herein should be interpreted as a recommendation, endorsement, or solicitation to buy or sell any financial instrument, and readers should conduct their own independent research or consult a qualified professional.