Circle
Centralized USD- and EUR-pegged stablecoin issuer (USDC, EURC). Defining structural commitment: 1:1 redemption guarantee backed by 100% cash-and-cash-equivalent reserves, with the majority held in an SEC-registered 2a-7 government money market fund managed by BlackRock and a Big Four monthly attestation cadence going back to 2018.
What it is
Circle is a US-rooted digital-dollar issuer operating two principal stablecoins: USDC (US-dollar-pegged) and EURC (euro-pegged). Both are single-fiat-pegged tokens with a 1:1 redemption guarantee. Circle's institutional positioning rests on three structural pillars: a regulator-grounded reserve vehicle (the SEC-registered 2a-7 Circle Reserve Fund / USDXX managed by BlackRock), a two-tier disclosure cadence (weekly Circle self-published holdings + monthly Big Four attestation under AICPA standards), and a long disclosure history (reports on all reserve assets since 2018, longer than most centralized stablecoin issuers).
For institutional buyers, Circle is the canonical large-issuer counterparty in the Stablecoin issuers sector — high disclosure cadence, regulator-grounded reserve vehicle, named audit firm, multiple US and Bermuda regulatory licenses.
Sector position
- Sector: Stablecoin issuers
- Role: stablecoin-issuer
- Differentiation framing: a single-fiat-pegged (EMT-archetype under MiCA framing) issuer with a regulator-grounded reserve vehicle (SEC-registered 2a-7 MMF managed by BlackRock) and one of the longest reserve-disclosure histories in the sector (reports since 2018).
Public moves cited
- Circle USDC Transparency & Reserves (public page, fetched April 2026) — Circle's public transparency page articulating the 1:1 redemption guarantee, 100% cash/cash-equivalent backing, the Circle Reserve Fund (USDXX), the weekly + monthly disclosure cadence, the Deloitte audit relationship since fiscal 2022 (Grant Thornton previously from 2015), and explicit US (NYDFS) + Bermuda (BMA) regulatory licenses.
- NYDFS — Virtual Currency Businesses (BitLicense + Limited Purpose Trust Charter) — NYDFS's regulator-side cross-confirmation: Circle Internet Financial, LLC holds BitLicense + Money Transmitter License, both since 2015-09, listed in the NYDFS Regulated Entities table.
Public regulatory status
Sourced specifically from the cited source pages.
- NYDFS Money Transmitter license (Circle Internet Financial, LLC, since 2015-09) — sourced from Circle USDC Transparency & Reserves (public page, fetched April 2026) (footer text); cross-confirmed from NYDFS — Virtual Currency Businesses (BitLicense + Limited Purpose Trust Charter) (NYDFS Regulated Entities list).
- NYDFS Virtual Currency Business Activity / BitLicense (Circle Internet Financial, LLC, since 2015-09) — sourced from Circle USDC Transparency & Reserves (public page, fetched April 2026) (footer text); cross-confirmed from NYDFS — Virtual Currency Businesses (BitLicense + Limited Purpose Trust Charter). The "Virtual Currency Business Activity" license referenced in Circle's footer is the BitLicense under 23 NYCRR Part 200.
- BMA Digital Asset Business license (Circle International Bermuda Limited) — sourced from Circle USDC Transparency & Reserves (public page, fetched April 2026) (footer text).
- SEC-registered 2a-7 government money market fund (Circle Reserve Fund / USDXX) — sourced from Circle USDC Transparency & Reserves (public page, fetched April 2026). Note: this is the fund vehicle's regulatory status; the relationship to Circle is "Circle manages USDXX via BlackRock as fund manager." Captured in
public_status:frontmatter as a Circle-relevant structural fact, with the body documenting the nuance. - MiCA registration status: not surfaced on Circle's transparency page. This is an open question (see below). Vendor
public_status:is NOT populated with any MiCA value here under the schema's source-driven discipline.
Concepts cited
- Proof of reserves — Circle's defining structural commitment; the two-tier disclosure cadence is a canonical implementation.
- 2a-7 government money market fund — the US-securities-law structure underpinning the majority of Circle's reserves.
- E-money token (EMT) — Circle is single-USD-pegged → EMT-archetype issuer under MiCA framing, even though MiCA registration is not surfaced on Circle's transparency page.
- Citation discipline — Circle's weekly + monthly + AICPA-attested disclosure regime is one of the canonical institutional implementations of structural citation discipline at the issuer layer.
- Counterparty-graph research — Circle's named partners (BlackRock as fund manager, Deloitte as auditor, NYDFS and BMA as regulators) are graph-traversal targets.
- Crypto-asset white paper — open question: Circle does not surface a MiCA white paper on its transparency page; EU-side disclosure status is unclear.
- BitLicense — the regulatory regime under which Circle's NYDFS authorisation operates (23 NYCRR Part 200).
- NYDFS Greenlist — note: USDC is NOT on the NYDFS Greenlist as of 2026-04-27, despite Circle holding a BitLicense. This is a structurally interesting finding — the Greenlist is coin-side (which coins NYDFS-licensed entities may offer) and BitLicense is vendor-side (which entities are NYDFS-authorized to engage in VC business). Open question on USDC's specific regulatory pathway through other licensees' listing policies.
Counterparties cited
- BlackRock — manager of the Circle Reserve Fund (USDXX). Sourced from Circle USDC Transparency & Reserves (public page, fetched April 2026).
- Deloitte & Touche LLP — independent auditor since fiscal 2022. Sourced from Circle USDC Transparency & Reserves (public page, fetched April 2026).
- New York State Department of Financial Services (NYDFS) — Money Transmitter and BitLicense issuer; named in NYDFS Regulated Entities list since 2015-09. Sourced from NYDFS — Virtual Currency Businesses (BitLicense + Limited Purpose Trust Charter).
- bma — Bermuda Monetary Authority; Digital Asset Business license issuer (Circle International Bermuda Limited). Currently mentioned only in the body of this page; firm page deferred until a second source touches it.
Open questions
- MiCA registration status as of 2026-04. The transparency page does not surface it. Does Circle have an EU subsidiary registered as an EMT issuer under MiCA Title IV? A follow-up source (Circle's EU regulatory disclosure or the ESMA register snapshot) would resolve this. High priority for an institutional buyer doing EU-jurisdiction diligence.
- Named cash-component depository banks. Circle's transparency page describes them generically as "leading global banks" without naming them. Other Circle disclosures (SEC filings, monthly attestations themselves) may name them.
- Post-March-2023 (SVB depeg) bank-counterparty disclosure regime. USDC briefly depegged in March 2023 when ~$3.3B of cash reserves at Silicon Valley Bank were temporarily inaccessible. The current transparency page does not discuss the SVB episode explicitly — has bank-counterparty disclosure changed since then? Follow-up source to consider.