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Circle

Vendor·2 cited sources·updated 2026-04-27

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

Public regulatory status

Sourced specifically from the cited source pages.

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

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.

Sources cited