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Bitcoin fell to start the week, extending losses from a sharp drop over the weekend following reports by one of the biggest crypto exchanges in the world about “congestion” on the Bitcoin network.

The price of bitcoin was lower by about 4% at $27,787.05, according to Coin Metrics. It has fallen more than 5% since Saturday. Ether fell more than 3% on Monday to $1,856.87.

“Reports of a large bitcoin outflow and withdrawals being paused at a major exchange could be factoring into some of the weakness we’re seeing. Ultimately however, there haven’t been any major developments as far as price action goes, with bitcoin still very much confined to a multiday bullish consolidation,” said Joel Kruger, market strategist at LMAX Group.

“Only a break back below $25,000 would give reason for concern. Until then, we suspect dips will continue to be very well supported,” he added.

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Bitcoin (BTC) slides after reports of network congestion

Monday’s drop came after Binance tweeted Sunday that the Bitcoin network was “experiencing a congestion issue” and that it was temporarily closing bitcoin withdrawals as a result until the network stabilized. Some market participants have argued that the Bitcoin network is stable and Binance should have prepared for a high-fee environment on Bitcoin.

The issue has highlighted a long-known setback of the Bitcoin network: It wasn’t designed to handle a large number of transactions at scale. It processes just seven to 10 transactions per second, making it unviable as a potential rival to companies such as Visa and Mastercard — an idea many have explored over the years but largely put to rest. This is why projects such as the Lightning Network, which helps speed up transactions without affecting the network, have gained in popularity.

Service on Binance resumed, but later on Sunday evening the exchange again halted withdrawals.

“To prevent a similar recurrence in the future, our fees have been adjusted,” the Binance account tweeted. “We will continue to monitor on-chain activity and adjust accordingly if needed. Our team has also been working on enabling BTC Lightning Network withdrawals, which will help in such situations.”

A ‘parabolic spike’

Alex Thorn, head of firmwide research at Galaxy, noted a “parabolic spike” in transaction fees on the Bitcoin network last week, attributing it to users minting BRC-20 tokens. These are an experimental token on the Bitcoin blockchain that ultimately allow users to create NFTs on Bitcoin. They’re inspired by Ethereum’s ERC-20 token.

On May 1, about 50% of bitcoin transactions were BRC-20 mints, Thorn highlighted in a note Friday. In the 14 days preceding Friday, mean transaction fees on Bitcoin increased 297%.

“There is an increasing demand for BRC-20 tokens which include transferring digital collectibles on Bitcoin network,” said Oppenheimer analyst Owen Lau. “The Bitcoin network has gradually supported more different types of tokens like NFTs. This adoption should be a positive sign longer term but it looks like it has slowed down the network.”

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Shaq, Sam Altman-backed college startup Campus taps former Meta AI head as CTO

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Shaq, Sam Altman-backed college startup Campus taps former Meta AI head as CTO

Sam Altman, chief executive officer of OpenAI Inc., during a media tour of the Stargate AI data center in Abilene, Texas, US, on Tuesday, Sept. 23, 2025.

Kyle Grillot | Bloomberg | Getty Images

Campus, a college startup backed by Sam Altman, has hired Meta‘s former AI Vice President Jerome Pesenti as its technology head, the company announced Friday.

As part of the deal, Campus will buy Pesenti’s artificial intelligence learning platform Sizzle AI for an undisclosed amount and integrate its personalized AI-generated educational content already used by 1.7 million people.

The acquisition advances the company’s “roadmap” by two to three years and helps the platform cater learning toward individual student needs, said Tade Oyerinde, Campus founder and chancellor.

“This is a game changer,” he told CNBC.

Campus was founded to disrupt the community college system by “maximizing access to world-class education,” according to its website. It offers accredited associate degrees taught by adjunct professors from the likes of Stanford, Princeton and New York University.

The platform has over 3,000 enrolled students, charges $7,320 per academic year and accepts Pell Grants, according to its website. It also provides attendees with a laptop, mobile Wi-Fi pack, personal success coach and 24/7 tutoring access. Professors make upwards of $8,000 per course.

Campus has raised over $100 million from the likes of Peter Thiel’s Founders Fund, General Catalyst, NBA star Shaquille O’Neal, venture capitalist and Palantir co-founder Joe Lonsdale and Figma CEO Dylan Field.

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Singapore police probe Nvidia customer Megaspeed over alleged China export violations

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Singapore police probe Nvidia customer Megaspeed over alleged China export violations

Singapore authorities are investigating artificial intelligence computing firm Megaspeed, a customer of American AI chipmaker Nvidia, for allegedly helping Chinese companies evade curbs on U.S. chip exports.

“The Singapore Police Force confirms that investigations are ongoing into Megaspeed for suspected breaches of our domestic laws,” the police told CNBC in an email.

The probe comes as the New York Times reported Thursday that the U.S. Commerce Department was also investigating whether Megaspeed skirted American export controls, citing anonymous officials and other people familiar with the matter.

The twin investigations into Megaspeed could raise questions about Nvidia’s ability to track its chip exports effectively and to comply with U.S. restrictions on the sale of its most advanced AI chips to China. 

According to an Nvidia spokesperson, the company had engaged the U.S. government on the matter and performed its own inquiry, without identifying “any reason to believe products have been diverted.” 

 “NVIDIA visited multiple Megaspeed sites yet again earlier this week and confirmed what we previously observed—Megaspeed is running a small commercial cloud, like many other companies throughout the world, as allowed by U.S. export control rules,” they said in a statement shared with CNBC Friday. 

Megaspeed didn’t immediately respond to a request for comment, nor did the U.S. Commerce Department. 

The Times reported that Megaspeed, which spun off from a Chinese gaming company in 2023, bought nearly $2 billion worth of Nvidia’s most advanced products through its subsidiary in Malaysia.

Export loophole concerns 

The case surrounding Megaspeed highlights broader concerns about the effectiveness of U.S. export restrictions on advanced technologies, such as Nvidia’s AI processors. 

The U.S. government has, for years, restricted sales of advanced AI chips to China, citing concerns they could strengthen Beijing’s military and give it an edge in broader AI development, among others. 

But experts and lawmakers in Washington have long warned about loopholes in Washington’s export controls, while reports indicate that a massive black market for smuggled Nvidia chips has also emerged. 

The House Select Committee on China in April questioned Nvidia’s shipment of chips to China and Southeast Asia after reports that Chinese AI start-up DeepSeek used the company’s chips to train a groundbreaking AI model.

Just a few months prior, Singapore had launched a separate probe into the alleged smuggling of restricted Nvidia chips, which were declared bound for Malaysia but may have been diverted elsewhere, including China.

In response to such cases and mounting U.S. pressure, Malaysia announced in July that it would begin requiring permits for all exports and transfers of Nvidia chips.

Outsourcing to Southeast Asia?

Chinese companies have also exploited a legal gray area by tapping into computing power from data centers in Southeast Asia equipped with restricted Nvidia chips, according to recent reports.

For example, Megaspeed was using its Nvidia chips for data centers in Malaysia and Indonesia, which appeared to be remotely serving customers in China, according to the Times.

Nvidia didn’t directly address this claim, but said in its statement that the Trump administration’s recent AI Action plan “rightfully encourages businesses worldwide to embrace U.S. standards and U.S. leadership, benefiting national and economic security.”

Malaysia checking with data center companies if chips have 'gone to the right parties': Minister

The Trump administration has recently signaled interest in ensuring Nvidia maintains its global market dominance — even in China — though its AI Action plan also called for strengthening enforcement of export controls globally.

Lawmakers in Washington have also proposed bills that could see Nvidia required to outfit its chips with tracking systems.

Such proposals have received pushback from Beijing, which froze imports of Nvidia’s chips after the Trump administration said it would roll back restrictions on some of the firm’s chips made specifically for China.

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Qualcomm shares fall after China opens antitrust probe into the U.S. chip giant

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Qualcomm shares fall after China opens antitrust probe into the U.S. chip giant

Microchip and Qualcomm logo displayed on a phone screen are seen in this multiple exposure illustration photo taken in Krakow, Poland on April 10, 2023.

Jakub Porzycki | Nurphoto | Getty Images

Qualcomm shares fell on Friday after Chinese regulators said it would investigate the American tech giant’s acquisition of chip firm Autotalks, ramping up tensions between the U.S. and China ahead of key meetings between the country’s leaders this month.

Shares were last around 3% lower in premarket trading.

China’s State Administration of Market Regulation (SAMR) said that Qualcomm is suspected of violating the country’s anti-monopoly law in regards to its acquisition of Israeli firm Autotalks. The acquisition officially closed in June, just over two years after it was first announced.

In a short statement, the SAMR said it would initiate an investigation into Qualcomm.

Qualcomm was not immediately available for comment when contacted by CNBC. The company sells its smartphone chips to some of the biggest players in China such as Xiaomi.

U.S. tech companies have recently been in the crosshairs of Chinese regulators ramping up tensions between Beijing and Washington ahead of key talks.

In September, the SAMR alleged that Nvidia had violated the country’s anti-monopoly law in relation to its acquisition of Mellanox and some agreements made during the acquisition. Meanwhile, Beijing has reportedly been discouraging local firms from buying Nvidia chips.

This week, China also tightened export controls on rare earths and related technologies. Rare earths are critical to high-tech industries, including automobiles, defense and semiconductors.

U.S. President Donald Trump and his Chinese counterpart Xi Jinping are expected to meet in person on the sidelines of the Asia-Pacific Economic Cooperation forum during the last week of October in Gyeongju, South Korea.

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