Blockchain & Cryptocurrency
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Cryptocurrency Fraud
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Fraud Management & Cybercrime
Also: Texas Brothers Charged in $8M Crypto-Linked Kidnapping Case

Every week, Information Security Media Group rounds up cybersecurity incidents in digital assets. This week, the White house pulled the nomination of Brian Quintenz to lead the U.S. Commodity Futures Trading Commission, Canada fined KuCoin $14M for AML violations, Texas brothers were charged in an $8M kidnapping case, South Korean actor received a suspended sentence for $3 million embezzlement, a phishing campaign used misconfigured robots.txt and an ex-LASD deputy pleaded guilty in a business extortion scam.
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White House Pulls CFTC Chair Nom
The White House pulled the nomination of Brian Quintenz to lead the U.S. Commodity Futures Trading Commission, a federal regulator that oversees financial markets, including cryptocurrency.
Quintenz, a former CFTC commissioner, was once thought a crypto-friendly shoo-in for the position, earning a strong endorsement from a slew of industry associations including the Crypto Council for Innovation and Blockchain Association.
The head crypto policy at Andreessen Horowitz reportedly ran into opposition from cryptocurrency billionaires Tyler and Cameron Winklevoss. Politico reported in July that the brothers pressed President Donald Trump to dump Quintenz, leading the White House to pressure a Senate committee into postponing a confirmation vote.
The nominee in September posted a series of instant messages with the Winklevoss twins over CFTC litigation with Gemini, the cryptocurrency exchange founded by the twins. Gemini in January settled with the CFTC for $5 million for making material false or misleading statements. “I believe these texts make it clear what they were after from me, and what I refused to promise,” Quintenz wrote.
Semafor reported on Sept. 24 that the White House has begun vetting other candidates. The CFTC is designed to be led by five commissioners, including the chair. It currently consists of just one sitting commissioner, Acting Chairperson Caroline Pham, a Republican who has said she will depart the agency once a new chairperson is confirmed.
Canada Fines KuCoin $14M for AML Violations, Exchange Appeals
Canada’s financial watchdog fined crypto exchange KuCoin CA$19.5 million dollars for breaching anti-money laundering and terrorist financing rules. The Financial Transactions and Reports Analysis Centre of Canada said KuCoin’s operator Peken Global failed to register as a foreign money services business, neglected to report cryptocurrency transactions above CA$10,000 and did not file suspicious activity reports. The violations led to the administrative penalty.
KuCoin rejected the regulator’s findings and said it has appealed to the Federal Court of Canada. The company said the agency misclassified it as a foreign money services business and described the penalty as “excessive and punitive.”
Texas Brothers Charged in $8M Crypto Kidnapping
Two Texas brothers face federal charges after allegedly kidnapping a Minnesota family at gunpoint and stealing $8 million in cryptocurrency. Prosecutors said Raymond Garcia, 23, and Isiah Garcia, 24, held a man and his parents hostage in their Minnesota home. Isiah forced the father to transfer millions in crypto to a wallet Raymond controlled, then drove him three hours to retrieve additional funds stored on a hardware wallet, while the other victims stayed captive.
Investigators linked the brothers to the crime through a motel receipt, video surveillance and a rental car, ultimately locating them in Texas. Isiah confessed to the scheme after his arrest. The pair now face kidnapping, aggravated robbery and burglary charges.
South Korean Actor Gets Suspended Sentence for $3M Crypto Embezzlement
South Korean actor Hwang Jung-eum received a two-year prison sentence, suspended for four years, after admitting to embezzling over $4.2 billion won from her own management agency to invest in cryptocurrency. The Jeju District Court citing her repayment of the full amount and lack of prior offenses as grounds for leniency, reported local media.
Prosecutors said Hwang diverted company funds 13 times in early 2022, borrowing in the agency’s name and channeling about $3 million into crypto investments while using the rest for taxes and personal expenses. She repaid most of the money by selling personal assets, completing full restitution by June.
Prosecutors had requested a three-year prison term, but the court reduced the sentence given her cooperation and repayment. Hwang, 40, first debuted in 2001 as a member of K-pop group Sugar before gaining fame in popular dramas including Kill Me, Heal Me and She Was Pretty.
Phishing Campaign Uses Misconfigured Robots.txt
Censys researchers uncovered more than 60 phishing sites impersonating popular hardware wallet brands Ledger and Trezor, many hosted on Cloudflare Pages. The campaign stood out for its unusual misuse of robots.txt files, which listed endpoints from phishing-reporting services like PhishTank and Netcraft in what appeared to be a misguided attempt to block detection. Nearly all of the identified sites have since been taken down.
Investigators traced the same robots.txt pattern to multiple GitHub repositories containing phishing templates, some riddled with unresolved merge conflicts – evidence suggesting the operator lacked strong web development skills. Many spoofed sites showed telltale flaws such as missing images, though some added fake anti-phishing warnings to appear legitimate. Most domains were short-lived.
Former LASD Deputy Pleads Guilty in Cryptocurrency Business Extortion Scheme
Former Los Angeles County Sheriff’s Department deputy and helicopter pilot Michael David Coberg, 44, pleaded guilty to federal conspiracy charges for helping a jailed cryptocurrency businessman extort rivals and orchestrate a sham drug arrest in 2021. Coberg admitted to conspiring with Adam Iza, 25, a self-styled “Godfather” involved in crypto fraud, to extort $127,000 from one victim and manipulate another into a false narcotics arrest.
Coberg used his law enforcement status to intimidate the first victim, monitored the interrogation and assisted in coercing the transfer of funds. He also helped lure a second victim from Miami to Los Angeles under false pretenses, coordinating with corrupt deputies to stage a traffic stop that resulted in the victim’s arrest with illegal drugs.
Coberg received monthly payments of at least $20,000 from Iza and even advised on side business ventures, including selling steroids. He faces a maximum of 20 years in prison for extortion and 10 years for conspiracy against rights, with sentencing set for Feb. 17.
With reporting by Information Security Media Group’s David Perera in Northern Virginia.