US Secret Service unmasks $400M crypto scam network

Over the past decade, the US Secret Service’s Global Investigative Operations Center (GIOC) has quietly recovered nearly $400 million in digital assets from cybercriminals, emerging as a formidable force in global crypto enforcement.

What begins as a casual online chat can end in financial devastation. In one case, a victim was lured by a friendly stranger and guided to a legitimate cryptocurrency investment platform with charts, a sleek interface, and responsive customer support. Initial deposits showed modest gains. Encouraged, the victim sent more money, even borrowing to keep up. Then, the platform went dark, and the account balance vanished.

“That’s how they do it,” said Jamie Lam, an investigative analyst with the US Secret Service, speaking last month to law enforcement officials in Bermuda. “They’ll send you a photo of a really good-looking guy or girl. But it’s probably some old guy in Russia.”

The case was just one of many dissected during a week-long workshop led by the Secret Service’s Global Investigative Operations Center (GIOC) — a little-known unit specializing in tracing digital financial crimes across borders. Using open-source tools, GIOC investigators traced the scam back to a domain, a crypto wallet, and, thanks to a brief VPN glitch, an exposed IP address.

The GIOC has quietly become one of the most powerful players in crypto enforcement. Over the past decade, the team has seized nearly $400 million in digital assets, according to people familiar with internal agency briefings. Much of it is held in a cold-storage wallet, ranking among the largest known government-controlled digital asset holdings.

Kali Smith leads global push to expose crypto crime and train nations on digital threats

Kali Smith, the Secret Service’s head of cryptocurrency strategy, is central to this effort. Under her leadership, the agency has trained law enforcement and prosecutors in over 60 countries, targeting jurisdictions vulnerable to exploitation through weak regulation or residency-for-sale schemes.

“Sometimes after just a week-long training, they can be like, ‘Wow, we didn’t even realize that this is occurring in our country,’” Smith said during the Bermuda training session.

Bermuda, known for its advanced crypto regulations, hosted the recent workshop amid growing concern that its digital asset-friendly policies could also attract bad actors.

Bermuda Governor Andrew Murdoch told reporters that technologies and financial services are fantastic for economic growth but can also be exploited. He notes that, alongside the benefits, you need strong investigative powers to deal with abuse under the law.

In a session overlooking Hamilton Harbor, Smith warned that scam victims often falsely assume Bitcoin guarantees safety. “They think they can use Bitcoin and be safe. But that isn’t the case,” she said.

One real-life case involved an Idaho teenager who was extorted into paying hundreds of dollars after sending an intimate photo online. The investigation revealed a network of transactions funneled through another American teen, ultimately leading to a crypto wallet that had processed nearly $4.1 million through 6,000 transactions. The wallet was linked to a Nigerian passport, and the suspect was arrested in England, awaiting extradition.

Crypto scams drive record losses as fraud turns violent and global manhunts intensify

Digital asset fraud is now the top cause of cybercrime losses in the US. Americans lost $9.3 billion to scam schemes related to crypto in 2024. Heists and fraud losses — more than half the FBI’s $16.6 billion total for the year. The elderly victims were hit the hardest, with losses approaching $2.8 billion, much of that to fraudulent investment sites.

In more extreme cases, digital theft has escalated to real-world violence. In New York, two men were charged with kidnapping and torturing a longtime friend to access his crypto wallet. In Connecticut, six individuals were accused of abducting and beating the parents of a teenage hacker who had stolen $245 million in Bitcoin in a failed ransom attempt.

The Secret Service often works with large cryptocurrency firms to track stolen money. Companies such as Coinbase and Tether have been invaluable in investigating by conducting wallet analysis and freezing accounts suspected of fraudulent activity. One of the largest hauls was $225 million USDT, linked to a sweeping romance-investment scam.

The agency’s focus on tracking dirty money is part of a broader, decades-old mission that has now been extended to the digital world, and in which the New York field office, which also covers Bermuda, has taken on a leading role in global cryptocurrency enforcement and training efforts.

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