- Monero was the privacy coin of choice for hacker IntelBroker, who evaded capture until he accepted a single Bitcoin payment.
- That traceable transaction exposed his identity and led to the collapse of a $25 million cybercrime scheme.
For years, a cybercriminal operating under the alias IntelBroker managed to avoid detection by exclusively using Monero (XMR), a privacy-focused cryptocurrency known for its untraceable transactions. Authorities allege he sold stolen data from major U.S. companies on dark web forums, always demanding payment in Monero to conceal his identity.
But in January 2023, the FBI managed to exploit a single vulnerability — human error. An undercover agent convinced IntelBroker to accept a small $250 payment in Bitcoin, a far more transparent cryptocurrency. That one transaction led to the hacker’s downfall.
How Authorities Traced the Bitcoin, Not Monero
Unlike Monero, all Bitcoin transactions are recorded on a public blockchain. Investigators traced the payment to a wallet funded via Ramp, a fiat-to-crypto platform that requires identity verification. The Ramp account was linked to a UK driver’s license belonging to Kai West, a 20-year-old cybersecurity student.
Further analysis tied West to a Coinbase account opened under the alias “Kyle Northern” and matched various IP addresses, email activity, and even YouTube watch history to his online behavior as IntelBroker. His attempts to pose as a Russian or Serbian hacker didn’t hold up under forensic scrutiny.
$25 Million in Damages and a Possible Life Sentence
Authorities say West used his alias to leak and sell sensitive data from telecom providers, healthcare systems, and government entities — often attaching samples to boost his reputation. Some listings fetched five-figure payments in Monero, while others were leaked for free to gain notoriety.
In total, the U.S. Department of Justice estimates that West’s actions caused over $25 million in damages, exposing the personal information of more than 50,000 Americans.
He is expected to appear before a U.S. magistrate judge later this month. If convicted, he faces decades in prison.
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