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How Jump and Solana vets are building a hyper fast internet for blockchains

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High-frequency traders are the whiz kids of Wall Street. They either code scripts to execute quick trades to eke out small profits that, multiplied by one or ten thousand times over, result in serious cash. Or they’re able to act milliseconds faster than competitors to score big bets on market swings. Speed is paramount, which is why HFT traders have created their own private networks of internet cables—now, a crypto project called DoubleZero wants to do the same to speed up blockchains.

“We can use a whole different set of technologies that have basically been standard and de facto in the high-frequency trading world… but are not available over the public internet, so they’ve never been applied to blockchain before,” Austin Federa, cofounder of DoubleZero and a former executive at the Solana Foundation, told Fortune.

Federa’s project, which has the same obsession with speed as the firms in Michael Lewis’s famous HFT book Flash Boys, has already attracted capital. DoubleZero Foundation, one of the entities behind the project, announced in early March that it had raised $28 million in a seed round led by marquee crypto investors Multicoin Capital and Dragonfly Capital. Other venture capital firms that contributed were Foundation Capital, Reciprocal Ventures, DBA, Borderless Capital, Superscrypt, and Frictionless. In exchange for their cash, investors received token warrants, or promised allocations of a yet-to-be-launched cryptocurrency, Federa said. 

CoinDesk Solana or Ethereum are like Amazon Web Services or Google Cloud—but decentralized. 

And like any cloud computing network, blockchains have physical servers that process users’ transactions and run programmers’ apps. Currently, when servers that power the Solana blockchain, for example, need to communicate with each other, those signals run over public internet infrastructure, said Federa. DoubleZero aims to create a private network of cables to speed up a blockchain’s processing power.

Jump Crypto, the digital assets subsidiary of HFT firm Jump Trading, and Malbec Labs are the engineering entities behind DoubleZero. They won’t be laying down physical cables to construct the network, said Federa. Not yet, anyway. Rather, the company is cobbling together underutilized bandwidth from HFT firms, private companies, and even individuals to build out a faster physical network of cables than what is currently available for blockchains.

And to make sure that, just like a blockchain, this physical network is decentralized, Federa’s foundation plans to launch its own cryptocurrency to reward those who contribute bandwidth to the project.

Federa’s other cofounders are Mateo Ward and Andrew McConnell. Ward is the former CEO of Neutrona Networks, a portfolio company of Jump Trading that specialized in building private internet networks. And McConnell was a former top engineer at Jump.

This story was originally featured on Fortune.com



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Warren Buffett saw the selloff coming and hoarded cash, analyst says, as markets await his next move — ‘patience is more than a virtue, it’s a weapon’

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  • After Warren Buffett sold $134 billion in equities in 2024 and is sitting on a $334 billion cash pile, one analyst said the “Oracle of Omaha” saw the current selloff coming. While it’s unlikely Buffett will make any big moves during the current market turmoil, some think he’ll look internationally or round out his insurance business.

Amid the stock market selloff, Berkshire Hathaway CEO Warren Buffett’s recent capital movements suggest he was preparing for it, according to an analyst. 

After tumbling more than 10% from its last peak, the Nasdaq remains in correction territory. The S&P 500 also entered a correction, though Friday’s rally pared its decline to less than 10% from its all-time record.

That has highlighted Berkshire’s recent cash hoarding as especially prescient. When asked if Buffett saw the selloff coming, Armando Gonzalez, founder of AI-powered research platform Bigdata.com, said the evidence suggests he did.

“Buffett’s actions over the past year have been a textbook example of positioning for turbulence,” he said in an emailed response to questions from Fortune.

Berkshire sold $134 billion in equities in 2024, ending the year with a cash pile of $334.2 billion—nearly double from a year ago and more than its shrinking stock portfolio of $272 billion. 

Gonzalez also noted that Buffett’s recent comments have been riddled with caution, emphasizing inflationary concerns and geopolitical uncertainty. For example, he warned that President Donald Trump’s tariffs will cause prices to rise.

“History shows when Buffett turns net seller, he often anticipates a period of subpar market performance,” Gonzalez said. “And once again, the Oracle of Omaha seems to have been ahead of the curve.”

With stocks well off their highs, that begs the question: will the famously value-conscious Buffett start deploying his cash by making some big purchases?

To be sure, Berkshire has made some moderate stock buys. But preferring bargains, Buffett historically looks to invest heavily in companies when valuations are low. During the peak of the 2008 financial crisis, for instance, Buffett deployed $3 billion into General Electric whose stock price had nosedived.

In his latest letter to Berkshire shareholders, Buffett reiterated his years-long view that valuations remained high. 

Gonzalez said it’s possible Buffett could start buying but only if true bargains emerge, noting that his track record shows a deep aversion to haste, even when markets tumble.

“He has no interest in timing the market’s bottom, nor does he chase short-term rebounds,” he said. “Instead, he waits for moments when fear drives prices to levels where the risk-reward equation tilts decisively in his favor.”

If Buffett should choose to finally make a big purchase, Gonzalez expects his next move to be used with a scalpel rather than a “broad-market splash,” if any at all. 

“In Buffett’s world, patience is more than a virtue, it’s a weapon,” he added.

While it’s uncertain if Buffett will go forward with a deal during the current market selloff, CFRA Research’s Cathy Seifert told Fortune she wouldn’t be surprised if Berkshire rounded out its insurance holdings. 

She added that valuations are still not dirt cheap, while the cash Buffett has parked in Treasury bonds is yielding him a good return and the competitive environment for deals has changed.

Additionally, Buffett has shown keen interest in Japanese trading companies, suggesting “a growing appetite for international diversification,” Gonzalez said. 

Since 2019, Berkshire has invested in the five biggest Japanese “sogo shosha,” which invest across sectors domestically and abroad. The trading houses—Itochu, Marubeni, Mitsubishi, Mitsui, and Sumitomo—operate “in a manner somewhat similar to Berkshire itself,” Buffett wrote in his annual letter.

While Buffett sits on his pile of cash, his deployable funds may grow even more as rumors of a rare Berkshire sale circle.

The Wall Street Journal reported that real-estate brokerage Compass was in advanced talks to acquire Berkshire Hathaway’s HomeServices of America.

According to Berkshire’s annual report, HomeServices has 820 brokerage offices and 270 franchisees in 2024.

Berkshire Hathaway did not return Fortune’s request for comment.

This story was originally featured on Fortune.com



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F-35: NATO allies have second thoughts about US stealth fighter

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Samuel Adams’s founder says Harvard doesn’t teach one crucial skill for entrepreneurs

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FORTUNE is a trademark of Fortune Media IP Limited, registered in the U.S. and other countries. FORTUNE may receive compensation for some links to products and services on this website. Offers may be subject to change without notice.



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