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The collapse of a crypto exchange rarely arrives without warning signs, but Orionx’s unravelling carries a particular sting. The Chilean platform had Tether’s backing, a regional growth story, and a compliance review underway when a forensic audit surfaced something that could not be explained away: more than seven million dollars in custodial assets had moved to wallets the company did not control.
On Thursday, Orionx announced it had begun a permanent closure process. Withdrawals are suspended. A criminal complaint has been filed against two of its own co-founders. And Tether, which led the exchange’s Series A just fifteen months ago, has so far said nothing publicly.
What the Audit Actually Found
The sequence of events matters here. Orionx was conducting an operational review in 2025 as part of its effort to comply with Chile’s Fintech Law, a regulatory framework that has pushed crypto platforms in the country toward greater transparency. As part of that process, the company brought in financial professionals to examine its books.
On August 27, chief operating officer Thomas Mac Millan detected what the company’s criminal complaint, cited by Chilean newspaper La Tercera, describes as a “significant mismatch” between balances recorded in Orionx’s internal systems and assets actually held at its custody addresses. An internal review followed, and Orionx then commissioned an external forensic audit that cross-referenced its records against verifiable onchain data.
The findings were stark. The exchange’s recorded balances exceeded the assets it actually held in custody across Bitcoin, Ether, XRP and Polygon. The criminal complaint reportedly alleges that the transfers out of Orionx’s custody occurred between 2018 and 2021, meaning the gap had existed, undetected or unreported, for years before the compliance review forced the issue into the open. Some of those transfers allegedly went to accounts on other crypto platforms.
Orionx has not publicly explained how a shortfall of this size went unnoticed for so long, nor has it clarified what triggered the initial suspicion. Those are not minor omissions. They go to the heart of whether this was a governance failure, a deliberate concealment, or something else entirely.
Co-Founders Accused, and Denying It
Orionx filed a criminal complaint on Wednesday against Roberto Zibert and Joaquín Díaz, both co-founders of the exchange and individuals who, the company alleges, had access to its crypto custody systems during the relevant period.
The allegations are specific. According to La Tercera’s reporting on the complaint, an account associated with Díaz received more than 1.5 million dollars across 14 separate transfers. A separate wallet allegedly received 187 Ether, more than 4.1 million USDt, and 200,000 USDC from Orionx’s custody holdings.
Both Zibert and Díaz have denied the allegations. They say they never acted against customers’ interests and that the true cause of the asset shortfall remains unclear. That denial does not resolve anything, of course. Criminal complaints in Chile will now move through the judicial system, and the actual determination of what happened, and who is responsible, belongs to investigators and courts rather than to either side’s public statements.
What is not in dispute is the outcome for customers. Orionx has said its sole priority is returning as much of clients’ assets as possible, though with withdrawals suspended and a seven-million-dollar gap in custody, the realistic recovery picture is uncertain at best.
Tether’s Latin America Bet Goes Quiet
Founded in Chile in 2017, Orionx had built itself into more than a simple retail exchange. By the time Tether invested, it was operating across Chile, Peru, Colombia and Mexico, offering crypto payment infrastructure and financial services alongside trading. That regional footprint was precisely the kind of story Tether wanted to attach itself to.
In June 2025, Tether exclusively led Orionx’s Series A funding round. The announcement, which has since been removed from Tether’s website though an archived version remains accessible, framed the investment as part of Tether’s push to expand digital asset adoption across Latin America. Fifteen months later, the exchange is closing and Tether has not responded to requests for comment from Cointelegraph.
The removal of the announcement from Tether’s website is a small but telling detail. It does not imply legal liability on Tether’s part, and a lead investor in a Series A is not responsible for the custody practices of the company it backed. But it does raise a question about due diligence. If the alleged transfers occurred between 2018 and 2021, that history predates Tether’s investment. Whether Tether’s pre-investment review examined custody records from that period is unknown.
For investors and users across the region, the episode is a reminder that regulatory compliance reviews, the kind Chile’s Fintech Law is now requiring, can surface problems that ordinary operations obscure. That is, in a narrow sense, the system working. The harder question is why it took a compliance-driven audit in 2025 to expose a custody gap that allegedly opened years earlier.
Why This Matters Beyond Chile
Orionx is not a systemically significant exchange. Its failure will not move markets. But its collapse illustrates a structural vulnerability that applies well beyond Latin America. Custody, the actual holding of client assets in verifiable onchain addresses, is the foundational promise of any exchange. When recorded balances and actual holdings diverge, everything else the platform offers becomes meaningless.
For regulators in Malaysia and Singapore, where frameworks governing digital asset exchanges under the Securities Commission and the Monetary Authority of Singapore respectively place increasing emphasis on custody standards and proof-of-reserves requirements, Orionx is a useful case study in what inadequate custody oversight looks like in practice. The gap was not discovered through market stress or a bank run. It was discovered through a compliance review that compared internal records against onchain reality, which is exactly the kind of verification that regulators in this region are pushing exchanges to make routine.
The criminal complaint against Orionx’s co-founders may eventually produce answers about what happened between 2018 and 2021. What is already clear is that the exchange’s customers are now waiting to learn how much of their money can be recovered from a hole that, by the company’s own account, should never have been allowed to form.
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