MEXC Compliance Update — Red-Flag Warning

MEXC is certainly one of the most notorious crypto exchanges when it comes to compliance violations. FinTelegram has already pointed this out several times. But the number of negative customer reviews is also increasing. FinTelegram has repeatedly flagged the crypto-exchange MEXC for opaque structures and unlicensed operations. Since our previous reports, multiple national regulators and user-review signals reinforce a high-risk profile.

Regulatory status & warnings (selected):

• UK (FCA): MEXC Global Ltd appears on the FCA Warning List as an unauthorised firm targeting UK users (Source: FCA).
• Germany (BaFin): Consumer warning and investigation notice against MEXC’s services (Source: BaFin).
• Austria (FMA): Public warning that MEXC is not authorised to conduct licensable banking/financial activities in Austria (Source: FMA Österreich).
• Hong Kong (SFC): Added to the SFC’s “Suspicious Virtual Asset Trading Platforms” alert list (Source: sfc.hk).

FinTelegram’s dossier and prior signals (including references to the former Estonian payment arm and our Red Compliance List listing) remain relevant context for readers (Source: Fintelegram).

Read our MEXC reports here.

Reputation & user risk signals:

• Trustpilot: MEXC holds a 1.8/5 (“Poor”) TrustScore with numerous 1-star reports citing frozen/withheld funds, withdrawal frictions, and customer-support issues. This low score is current and visible on the company’s Trustpilot profile (Source: Trustpilot)
• Additional review aggregators also show very low averages, consistent with a persistently negative user-experience trend (Source: Reviews).

Whistleblower allegations (corroborated where possible):

A whistleblower describes (i) no effective licensing, (ii) concealed ownership and masked domain data, (iii) “Suspicious” rating on ScamAdviser, (iv) index-price methodology breaches on certain perp pairs (e.g., TRADOOR/USDT allegedly using 100% MEXC spot as the “index” for two weeks, causing a ~13% divergence and a liquidation), (v) funding-rate stuck at –0.50%, and (vi) copy-paste support loops without case IDs or remediation. ScamAdviser does flag MEXC domains with low trust scores, supporting the general “suspicious” risk signal, though ownership masking is common in crypto and not conclusive alone (Source: ScamAdviser).

The DEX+ Scheme

DEX+ powered by MEXC is contractually high-risk, low-recourse: broad disclaimers, custody ambiguity, no guaranteed execution, and a near-zero liability cap. Combine this with the separate fiat-on-ramp arrangements (e.g., Oceanblue handling bank transfers) and you get a split-rail model that minimizes MEXC’s responsibility while maximizing user exposure. For EU users, the MiCA compliance posture remains the key unresolved question.

Calling themselves an “agent placing orders” can fall under CASP (MiCA) or investment-service analogues (depending on assets/construct). This conflicts with the “pure aggregator/info platform” narrative. The DEX+ terms say MEXC isn’t responsible for your private key/seed, yet your keys/seed are “entrusted to a third-party provider.” That’s quasi-custodial. The provider isn’t named, and the licensing status is unknown. This is a significant risk.

The Oceanblue Tintech Connection

In our refreshed review, we found that MEXC bank-transfer deposits for buying crypto are being routed to Oceanblue Fintech UAB (reg. code 306111081) in Vilnius—the company formerly named “MEXC Lithuania UAB.”

MEXC’s own materials state that its “fiat services are operated by Oceanblue Fintech UAB.” Oceanblue’s website markets the firm as a “regulated” crypto services provider; however, in Lithuania this typically means legacy VASP registration—not a MiCA crypto-asset service provider licence from the Bank of Lithuania. We found no public evidence of a MiCA licence for Oceanblue.

Oceanblue’s terms indicate that payment accounts are provided by Paytend Europe UAB (an EMI). In practice, this means Oceanblue supplies the fiat rails for MEXC’s EU deposits while MEXC itself does not hold an EU MiCA licence. The rebrand from “MEXC Lithuania UAB” to “Oceanblue Fintech UAB” underscores the close operational linkage to the MEXC scheme and its deposit flows.

Red-flag takeaways: (1) reliance on a VASP-registered but non-MiCA-licensed entity for EU on-ramping; (2) name change away from an explicit MEXC label; (3) customer funds collected via a third-party EMI account for a platform with unresolved EU licensing. With the MiCA transitional period ending on 31 December 2025, users should treat this arrangement as high-risk unless clear, verifiable MiCA authorisations are published.

Compliance analysis & red flags:

1. Unlicensed solicitation across major markets (FCA, BaFin, FMA, SFC) is a decisive red flag. Users transacting with unauthorised firms lack statutory recourse (e.g., no FSCS-like protections in the UK), and supervisory escalation can trigger abrupt service curtailments.
2. Opaque governance/ownership impedes accountability, complicates KYC/AML assurance and incident response. (MEXC’s own sites provide inconsistent compliance disclosures.) Officially, Yichen Peng is recorded as the ultimate beneficial owner of MEXC Estonia. (Sources: FinTelegram, Teatmik)
3. Market-integrity concerns: If index components/weights or ±3% exclusion rules are not applied as published, this can distort fair-price and funding mechanisms—an unacceptable risk for derivatives users. (User testimony aligns with the pattern of complaints visible in public reviews.) Source: Trustpilot).
4. Customer-service weak signals: High volume of unresolved 1-star complaints about withdrawals and support is typical of platforms with structural compliance gaps (Source: Trustpilot).

FinTelegram position (updated):

Given the mounting regulator warnings, poor user-review profile, and whistleblower allegations around pricing/funding mechanics, MEXC remains on our Red Compliance List. We advise avoiding deposits, trading, or referrals until (a) a clear, verifiable licensing posture exists in key jurisdictions, (b) ownership/management and compliance contacts are transparently published, and (c) independent audits attest to index and funding-rate governance.

MEXC Key data

Call for information:

Insiders, counterparties, PSPs, and affected users are invited to provide documents (e.g., compliance notices, internal tickets, pricing logs, index-component snapshots) via Whistle42 to support further forensic review.