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The crypto market has been battered this year, with nearly $2 trillion wiped off its value since its peak.

Jonathan Raa | Nurphoto | Getty Images

The U.S. Department of Justice announced Monday that it seized about $3.36 billion in stolen bitcoin during a previously unannounced 2021 raid on the residence of James Zhong.

Zhong pleaded guilty Friday to one count of wire fraud, which carries a maximum sentence of 20 years in prison.

U.S. authorities seized about 50,676 bitcoin, then valued at over $3.36 billion, from Zhong during a search of his house in Gainesville, Georgia, on Nov. 9, 2021, the DOJ said. It is the DOJ’s second-largest financial seizure to date, following its seizure of $3.6 billion in allegedly stolen cryptocurrency linked to the 2016 hack of the crypto exchange Bitfinex, which the DOJ announced in February.

According to authorities, Zhong stole bitcoin from the illegal Silk Road marketplace, a dark web forum on which drugs and other illicit products were bought and sold with cryptocurrency. Silk Road was launched in 2011, but the Federal Bureau of Investigation shut it down in 2013. Its founder, Ross William Ulbricht, is now serving a life sentence in prison.

“For almost ten years, the whereabouts of this massive chunk of missing Bitcoin had ballooned into an over $3.3 billion mystery,” U.S. Attorney Damian Williams said in a press release.

According to the Southern District of New York, Zhong took advantage of the marketplace’s vulnerabilities to execute the hack.

Special Agent in Charge Tyler Hatcher, of the Internal Revenue Service – Criminal Investigation, said Zhong used a “sophisticated scheme” to steal the bitcoin from Silk Road. According to the press release, in September 2012, Zhong created nine fraudulent accounts on Silk Road, funding each with between 200 and 2,000 bitcoin. He then triggered over 140 transactions in rapid succession, which tricked the marketplace’s withdrawal-processing system to release approximately 50,000 bitcoin into his accounts. Zhong then transferred the bitcoin into a variety of wallet addresses all under his control.

Dark web: how the unseen internet is accessed

Through blockchain analysis and good old-fashioned police work, law enforcement and blockchain analytic experts was able to recover more than 50,000 bitcoin from Zhong. They even uncovered crypto stored on a computer submerged under blankets in a popcorn tin in a bathroom closet, according to the press release.

Public records show Zhong was the president and CEO of a self-created company, JZ Capital LLC, which he registered in Georgia in 2014. According to his LinkedIn profile, his work there focused on “investments and venture capital.”

His profile also states he was a “large early bitcoin investor with extensive knowledge of its inner workings” and that he had software development experience in computer programming languages.

Zhong’s social media profiles include pictures of him on yachts, in front of airplanes, and at high-profile football games.

But these types of hacks didn’t end with the Silk Road’s demise. Crypto platforms continue to be vulnerable to criminals.

In October 2022, Binance, the world’s largest crypto exchange by trading volume, suffered a $570 million hack. The company said a bug in a smart contract enabled hackers to exploit a cross-chain bridge, BSC Token Hub. As a result, the hackers withdrew the platform’s native cryptocurrency, called BNB tokens.

In March 2022, a different hacker found vulnerabilities in the decentralized finance platform Ronin Network and made off with more than $600 million — the largest hack to date. The private keys, which serve as passwords to protect cryptocurrency funds in wallets, were compromised.

According to a Chainalysis report, $1.9 billion worth of cryptocurrency had been stolen in hacks of services through July 2022, compared with just under $1.2 billion at the same point in 2021. 

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How black boxes became key to solving airplane crashes

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How black boxes became key to solving airplane crashes

After the search for survivors and recovery of victims in tragic aviation accidents — like that of a UPS cargo plane shortly after takeoff from Louisville Muhammad Ali International Airport in Kentucky last month — comes the search for flight data and a cockpit voice recorder often called the “black box.”

Every commercial plane has them. Aerospace giants GE Aerospace and Honeywell are among a few companies that design them to be nearly indestructible so they can help investigators understand the cause of a crash.

“They’re very crucial because it’s one of the few sources of information that tells us what happened leading up to the accident,” said Chris Babcock, branch chief of the vehicle recorder division at the National Transportation Safety Board. “We can get a lot of information from parts and from the airplane.”

Commercial aircraft have become very complex. A Boeing 787 Dreamliner records thousands of different pieces of information. In the case of the Air India crash in June, data revealed both engine fuel switches were put into a cutoff position within one second of each other. A voice recording from inside the cockpit captured the pilots discussing the cutoffs.

“All of those parameters today can have a very huge impact on the investigation,” said former NTSB member John Goglia. “It’s our goal to to provide information back to our investigators who are on scene as quick as we can to help move the investigation forward.”

This crucial data can also help prevent future accidents. A crash can cost airlines or plane manufacturers hundreds of millions of dollars and leave victims’ families with a lifetime of grief.

But in some circumstances black boxes were destroyed or never found. Experts say further developments such as cockpit video recorders and real-time data streaming are needed.

“The technology is there. Crash worthy cockpit video recorders are already being installed in a lot of helicopters and other types of airplanes, but they’re not required,” said Jeff Guzzetti, aviation analyst and former accident investigator for the Federal Aviation Administration and NTSB. “There’s privacy and cost issues involving cockpit video recorders but the NTSB has been recommending that the FAA require them for years now.”

Watch the video to learn more.

CNBC’s Leslie Josephs contributed to this report.

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Stocks end November with mixed results despite a strong Thanksgiving week rally

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Stocks end November with mixed results despite a strong Thanksgiving week rally

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Palantir has worst month in two years as AI stocks sell off

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Palantir has worst month in two years as AI stocks sell off

CEO of Palantir Technologies Alex Karp attends the Pennsylvania Energy and Innovation Summit, at Carnegie Mellon University in Pittsburgh, Pennsylvania, U.S., July 15, 2025.

Nathan Howard | Reuters

It’s been a tough November for Palantir.

Shares of the software analytics provider dropped 16% for their worst month since August 2023 as investors dumped AI stocks due to valuation fears. Meanwhile, famed investor Michael Burry doubled down on the artificial intelligence trade and bet against the company.

Palantir started November off on a high note.

The Denver-based company topped Wall Street’s third-quarter earnings and revenue expectations. Palantir also posted its second-straight $1 billion revenue quarter, but high valuation concerns contributed to a post-print selloff.

In a note to clients, Jefferies analysts called Palantir’s valuation “extreme” and argued investors would find better risk-reward in AI names such as Microsoft and Snowflake. Analysts at RBC Capital Markets raised concerns about the company’s “increasingly concentrated growth profile,” while Deutsche Bank called the valuation “very difficult to wrap our heads around.”

Adding fuel to the post-earnings selloff was the revelation that Burry is betting against Palantir and AI chipmaker Nvidia. Burry, who is widely known for predicting the housing crisis that occurred in 2008 and the portrayal of him in the film “The Big Short,” later accused hyperscalers of artificially boosting earnings.

Palantir CEO Alex Karp vocally hit the front lines, appearing twice in one week on CNBC, where he accused Burry of “market manipulation” and called the investor’s actions “egregious.”

“The idea that chips and ontology is what you want to short is bats— crazy,” Karp told CNBC’s “Squawk Box.”

Despite the vicious selloff, Palantir has notched some deal wins this month. That included a multiyear contract with consulting firm PwC to speed up AI adoption in the U.K. and a deal with aircraft engine maintenance company FTAI.

But those announcements did little to shake off valuation worries that have haunted all AI-tied companies in November.

Across the board, investors have viciously ditched the high-priced group, citing fears of stretched valuations and a bubble.

In November, Nvidia pulled back more than 12%, while Microsoft and Amazon dropped about 5% each. Quantum computing names such as Rigetti Computing and D-Wave Quantum have shed more than a third of their value.

Apple and Alphabet were the only Magnificent 7 stocks to end the month with gains.

Sill, questions linger over Palantir’s valuation, and those worries aren’t a new concern.

Even after its steep price drop, the company’s stock trades at 233 times forward earnings. By comparison, Nvidia and Alphabet traded at about 38 times and 30 times, respectively, at Friday’s close.

Karp, who has long defended the company, didn’t miss an opportunity to clap back at his critics, arguing in a letter to shareholders that the company is making it feasible for everyday investors to attain rates of return once “limited to the most successful venture capitalists in Palo Alto.”

“Please turn on the conventional television and see how unhappy those that didn’t invest in us are,” Karp said during an earnings call. “Enjoy, get some popcorn. They’re crying. We are every day making this company better, and we’re doing it for this nation, for allied countries.”

Palantir declined to comment for this story.

WATCH: Palantir CEO Alex Karp: We’ve printed venture results for the average American

Palantir CEO Alex Karp: We've printed venture results for the average American

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