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A new Wall Street Journal <a href="https://www.wsj.com/finance/currencies/how-a-crypto-exchange-became-a-major-hub-for-illicit-iranian-cash-46e771a2?mod=Searchresults" rel="noopener noreferrer nofollow">investigation</a> has identified cryptocurrency exchange CoinEx as a central node in Iran’s effort to move billions of dollars around U.S. sanctions, using blockchain transaction analysis to trace more than $3.84 billion in flows connected to Iranian entities through the platform. The figure makes CoinEx one of the most significant crypto-based sanctions evasion channels identified to date — and the exchange is pushing back hard against the characterization.
The investigation arrives at a moment when crypto’s role in international sanctions evasion has become one of the defining regulatory stories of 2026, following the OFAC designation of Iran’s largest domestic exchange Nobitex earlier this month and Iran’s launch of a Bitcoin-settled maritime insurance platform designed to route around Western financial infrastructure entirely. CoinEx represents a different layer of that same problem — not a domestic Iranian platform, but an internationally accessible exchange allegedly used as a bridge between sanctioned Iranian financial activity and the broader global crypto market.
What the Blockchain Data Actually Shows
The WSJ’s reporting is built on blockchain analysis performed by TRM Labs, one of the industry’s most established on-chain investigation firms. According to TRM’s findings, CoinEx facilitated transactions exceeding $3.84 billion in traceable blockchain flows connected to sanctioned Iranian crypto entities. The scale of that figure places CoinEx in a different category from smaller, peripheral platforms occasionally flagged for isolated sanctions violations — this is a sustained, high-volume pattern of activity over an extended period.
Blockchain transaction tracing of this kind works by following the movement of funds across wallet addresses, identifying clusters of activity associated with known sanctioned entities, and mapping where those funds ultimately flow. When an exchange shows up repeatedly as a destination or intermediary for wallets already linked to sanctioned Iranian organizations, analysts can build a reasonably confident picture of the platform’s role in the broader laundering or evasion pipeline — even without direct access to the exchange’s internal compliance records.
CoinEx’s Response
CoinEx has firmly <a href="https://x.com/coinexcom/status/2070044548542390722?s=20" rel="noopener noreferrer nofollow">disputed</a> the WSJ’s characterization and TRM Labs’ findings, contesting both the scale of the figure and the implication that it knowingly served as a gateway for sanctioned Iranian crypto firms. The exchange’s pushback is consistent with how most platforms respond when named in sanctions-evasion reporting — disputing the methodology behind on-chain attribution, the certainty with which wallets can be tied to sanctioned entities, and the inference that transaction volume alone demonstrates intent or knowledge on the platform’s part.
That dispute matters for how the story develops from here. Blockchain analysis is powerful for tracing where money moves, but proving that an exchange’s compliance team knowingly facilitated sanctioned activity — as opposed to failing to detect it despite reasonable effort — is a different and higher evidentiary bar. Whether CoinEx’s compliance failures, if any, rise to the level of willful facilitation or reflect gaps in detection capability that affect many exchanges operating at scale is the question regulators will need to resolve.
Why This Story Matters Beyond CoinEx
The CoinEx revelations land in the middle of an accelerating pattern of crypto-enabled sanctions evasion stories in 2026 — and together they paint a picture of how comprehensively Iran has integrated digital assets into its strategy for operating around Western financial restrictions.
Earlier this month, the U.S. Treasury sanctioned Nobitex — Iran’s largest domestic crypto exchange — along with three other platforms, for processing more than half of all Iranian crypto inflows in 2025 and funneling hundreds of millions of dollars to the IRGC and Iran’s central bank. Around the same period, Iran launched Hormuz Safe, a state-backed maritime insurance platform settled in Bitcoin, designed to generate revenue from Strait of Hormuz shipping traffic while avoiding dollar-denominated financial infrastructure entirely. The CoinEx case adds a third dimension: an internationally facing exchange allegedly serving as the bridge between domestically sanctioned Iranian crypto activity and the broader, liquid global market that Iranian entities ultimately need access to in order to convert crypto into usable value.
Each of these stories individually demonstrates a single channel of sanctions evasion. Together, they describe an ecosystem — domestic exchanges aggregating Iranian crypto activity, international exchanges like CoinEx allegedly providing liquidity bridges to the global market, and novel infrastructure like Hormuz Safe creating entirely new revenue streams that never touch the dollar system at any point.
The Compliance Challenge for International Exchanges
For crypto exchanges operating internationally, the CoinEx case is a pointed reminder of the compliance exposure that comes with serving users across multiple jurisdictions without robust, real-time sanctions screening. Wallet-level screening tools from firms like Chainalysis, Elliptic, and TRM Labs exist specifically to catch this kind of activity before it accumulates into billions of dollars in flagged transactions — but those tools require active implementation, continuous updating against evolving sanctions lists, and genuine institutional commitment to enforcement rather than passive compliance theater.
The scale of the figure WSJ and TRM Labs have identified — $3.84 billion — suggests either a significant gap in CoinEx’s screening infrastructure, a deliberate choice to look past red flags given the commercial value of Iranian transaction volume, or some combination of both. CoinEx’s denial leaves the actual explanation unresolved, but the dollar figure alone guarantees this story will draw continued regulatory attention regardless of how the dispute over methodology is ultimately settled.
What Happens Next
Whether this investigation triggers formal regulatory action against CoinEx — sanctions designations, enforcement actions from OFAC, or coordinated international pressure — will depend on how regulators weigh the blockchain evidence against CoinEx’s denials. The exchange has not announced any compliance overhaul or third-party audit in response to the findings, which leaves an open question about whether the activity TRM Labs identified is ongoing or has already been curtailed.
For an industry that has spent 2026 watching state-level sanctions evasion stories accumulate at an unprecedented pace, CoinEx’s situation is a reminder that the channels enabling this activity are not limited to obviously state-controlled domestic platforms. International exchanges with global user bases occupy a critical, and apparently exploitable, position in the pipeline connecting sanctioned regimes to the broader crypto economy.

Iran Moved $3.84 Billion Through CoinEx to Evade Sanctions, WSJ Reports

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