๐ Supercomputer Taps 15,000 GPUs To Rebuild The Early Universe
Scientists have unveiled a supercomputer simulation named Lumina, which is the most detailed window yet into the first two billion years of our universe.
When trying to model the birth of the universe, computational cosmologists are usually forced to choose between simulating vast volumes of space at a coarse resolution or zooming into tiny patches with intricate detail.
Lumina changes all that: spanning a cubical region measuring roughly 1.6 billion light-years across, the simulation tracks ordinary matter, dark matter, and radiation across all that space while retaining enough spatial resolution to model individual galaxies, stellar nurseries, and their surrounding gas flows.
Bringing this map life was an international research team that utilized the Frontier supercomputer located at Oak Ridge National Laboratory in Tennessee. Harnessing more than 15,000 GPUs and 100,000 CPU cores, the simulation begins roughly 45 million years after the Big Bang, in the dark ages. Here, gravity slowly pulls tiny fluctuations in matter together, forming thick over-densities for the first generation of galaxies and stellar clusters.
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Scientists have unveiled a supercomputer simulation named Lumina, which is the most detailed window yet into the first two billion years of our universe.
When trying to model the birth of the universe, computational cosmologists are usually forced to choose between simulating vast volumes of space at a coarse resolution or zooming into tiny patches with intricate detail.
Lumina changes all that: spanning a cubical region measuring roughly 1.6 billion light-years across, the simulation tracks ordinary matter, dark matter, and radiation across all that space while retaining enough spatial resolution to model individual galaxies, stellar nurseries, and their surrounding gas flows.
Bringing this map life was an international research team that utilized the Frontier supercomputer located at Oak Ridge National Laboratory in Tennessee. Harnessing more than 15,000 GPUs and 100,000 CPU cores, the simulation begins roughly 45 million years after the Big Bang, in the dark ages. Here, gravity slowly pulls tiny fluctuations in matter together, forming thick over-densities for the first generation of galaxies and stellar clusters.
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President Donald Trump said a meeting would soon be arranged involving Russian President Vladimir Putin and Ukrainian President Volodymyr Zelenskyy in an effort to end the war between their countries, now in its fifth year.
โI think with Russia, weโre making a lot of progress with Russia-Ukraine,โ โ Trump said.
โThereโll be a meeting set up here soon,โ โ he added, โwith President Putin and President Zelenskyy.โ
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Securitize, Inc., the leading platform for tokenized assets, today announced plans to integrate with the Stellar network, expanding the blockchain infrastructure available to institutional asset managers seeking to bring traditional financial products onchain.
"Securitize has helped establish tokenization as a practical solution for major financial institutions,โ โ said Denelle Dixon, CEO and Executive Director of the SDF.
โWe're excited to work together to expand the infrastructure available to asset managers and support the next generation of tokenized financial products on Stellar."๐
Additional details about assets supported through the integration will be announced as they become available.
#Stellar
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U.S. Treasury Secretary Scott Bessent said digital assets could help strengthen the U.S. dollar's global dominance as technology becomes an increasingly important source of American economic influence.
Speaking Tuesday at Ripple's Swell conference with CEO Brad Garlinghouse, Bessent argued that the power behind the world's reserve currencies during history derived from military strength, but itโs increasingly shifting toward technological leadership.
"We will keep our military umbrella, but I think more and more it's becoming a technology umbrella," โ Bessent said.
"I think that digital assets are going to be no different, and we are going to win in the digital asset stack, and that's gonna continue to fortify the [U.S.] dollar," โ he said.
#Stellar
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Anthropic PBC has tapped JPMorgan Chase & Co. to lead US sales of shares to individual investors in its potentially record-setting initial public offering.
The company behind Claude has weighed a retail offering of about 15% to 20% of the shares available in the IPO overall. JPMorgan Chief Executive Officer Jamie Dimon is expected to take part in the Wall Street bankโs campaign.
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Pontoro Inc. today announced the launch of the first Pontoro Automated Liquidity Pool (ALP), a single investment pool that pairs liquid money market assets with private market funds and uses rules-based pricing to manage liquidity between them, on the Stellar network.
The ALP is designed to supply that missing liquidity layer, and to connect the pieces already in place into functioning market infrastructure. ๐งฉ
"Private markets have engineered nearly every layer of their infrastructure except one: liquidity," โ said Antonio Vitti, CEO and Co-Founder of Pontoro.
"Tokenization has given private assets better rails. A market also needs capital, a price, and a mechanism for managing that capital as conditions change. That is the missing layer the ALP is designed to provide.๐
With a group of institutions contributing across the investment and operating stack, we can now move that idea from architecture to a live pilot."
#Stellar
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European satellite companies are stepping up efforts to challenge Elon Muskโs dominance in military communications after Starlink restrictions disrupted Ukraineโs drone operations.
Finnish firms ICEYE and Nokia have partnered with Ukraine to develop independent satellite communications, with initial launches expected in 2028. Franceโs Eutelsat, which already operates in Ukraine, is also positioning itself as an alternative.
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Elon Musk is an industrial genius. He has more than 5,000 spacecraft in orbit. We are in close contact with our American partners, including Mr. Musk.
It is important to maintain discipline and order in orbit. Both we and our American partners value this, and despite political issues, we work closely together in this field.
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Angeion Group, the law firm administering the $16.1 million class action settlement over the June 2025 cyberattack against Columbia, emailed University students on Tuesday with instructions on how to claim their share of the settlement. Claims are due Jan. 21, 2027.
In June 2025, a hacker stole the contact information, Social Security numbers, health data, and financial aid data of around 870,000 individuals, including Columbia applicants, affiliates, and nonaffiliated prospective students. The University created the $16.1 million fund to pay claimants as part of a deal to settle a class action lawsuit filed on behalf of individuals whose data was stolen.
Affected individuals can claim benefits of up to $8,500 in value by submitting a claim form on Angeionโs dedicated case website.
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Archax, the UK/EU/US regulated digital asset platform, today announced โฌGOVY, a euro-denominated version of its perpetual tokenised government bill product, on the Stellar network.
โฌGOVY is designed to give treasurers, asset managers and other eligible institutions 24/7 on-chain exposure to short-dated euro-area government debt through a single token. Because the maturing bills roll automatically, holders do not need to redeem or reinvest at each maturity date. It joins $GOVY, launched in June 2026 on Ethereum, Hedera and the Stellar network.
Graham Rodford, CEO and co-founder of Archax, comments:
โInstitutions donโt run on one currency, and their collateral shouldnโt either. With the launch of โฌGOVY, a treasurer will be able to hold tokenised government exposure in dollars, sterling and euros โ earning yield and ready to deploy at any hour of any day.
Launching on the Stellar network, at Meridian, also reflects how important the network has been to GOVY from day one.โ๐
#Stellar
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The DTCC's new service allows eligible participants like JPMorgan, Citi, Bank of America, Morgan Stanley, Fidelity, and Citadel to tokenize 34 securities worth $30 trillion from its $114 trillion custody pool.
Backed by a three-year SEC no-action letter from December 2025, it starts with Russell 1000 stocks, ETFs, and U.S. Treasuries, promising faster settlements and a bridge between traditional finance and blockchain.
DTCC CEO Frank La Salla called it the result of years of work for regulated tokenized securities. The era of 24/7 markets has arrived.
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Most blockchains process transactions in one strict, global order. Some have found ways to run unrelated transactions in parallel, but the moment two transactions touch the same state or require the same data, they fall back into line. Adding hardware doesn't change that โ extra machines sit idle while transactions wait their turn.
We're just getting started, and we want you to test it, push it, and show us what you'd build if compute stopped being a limit.
Our mission is equitable access to the global financial system. Not just the one we have today, but the one we'll have in fifty years. Serving ten billion people, and the billions of AI agents that will transact on their behalf, will take far more compute than any blockchain has today.
#Stellar
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Google introduced its latest AI model on Wednesday, called Gemini 4 Carbon, which the company describes as its most powerful model with enhanced cybersecurity capabilities and long-horizon task performance.
The new model achieved the top ranking on the updated v5.0 Artificial Analysis Intelligence Index with a score of 59. Carbon demonstrated improvements in coding and agentic tasks, reaching 88.2% on SEC-bench Pro for vulnerability detection, 54.8% on ExploitGym for exploitation, and 71.0% on CWE-bench for patching.
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Movantis, the unified financial infrastructure platform that enables businesses to move value across global markets, announced an integration with the Stellar network.
โCross-border payments do not need one winning rail. They need infrastructure that can use the right rail for each leg of the transaction,โ โ said Robert Gatto, CEO of Movantis.
โStellar gives us another efficient way to settle, and our job is making sure that speed turns into dollars a business or a family can actually use in El Salvador.โ
#Stellar
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Google is set to showcase a new security system designed to help banks and other financial institutions safeguard and move cryptocurrencies and tokenized assets at its inaugural digital assets symposium in New York City on Wednesday.
Google did not identify the institutions testing the service or specify which digital assets Alphabet is securing. The company plans to make Google Multi-Party Compute commercially available in early 2027, but has not disclosed pricing.
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Ripple and Coinbase, two of the the leading providers of blockchain solutions across traditional and digital finance, announced a partnership to bring Ripple USD (RLUSD) to Coinbase, significantly expanding market access and utility for the enterprise-grade stablecoin in the U.S.
Starting today, retail and institutional clients can trade and manage RLUSD through Coinbase Prime, Coinbase Exchange and the Coinbase Retail app, with 1:1 conversion from U.S. dollars and other supported USD-denominated stablecoins into RLUSD.
Availability for Coinbase Global Exchange customers, including leveraging RLUSD as collateral, will follow.
#Stellar
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San Diego officials are considering a temporary ban on new data centers amid growing concerns that the rapidly expanding industry could strain the city's electricity grid, drive up utility bills and worsen its housing shortage.
The move comes after a local developer floated plans for a massive 400-megawatt data center near Old Town that, if built, could become the largest facility of its kind in California. According to reporting by Voice of San Diego, the proposed facility could consume as much electricity as more than 320,000 homes.
Mayor Todd Gloria said the city needed to balance technological development with protecting residents from the potential consequences of large-scale data centers.
"San Diego is a city of innovation, and I want us to continue leading in the technologies and jobs of the future," โ Gloria said. "But we cannot allow a rapidly expanding industry to get ahead of the rules needed to protect our residents."
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A cybersecurity startup called Cathedral gained access to sensitive internal systems at Anthropic in less than 12 hours, exposing employee information, salary details, job offers and internal messages discussing the company's advanced AI models. The incident was discovered during a security test conducted under Anthropic's programme for outside researchers to identify vulnerabilities.
According to a draft report, Cathedral used AI agents to find weaknesses in business software used by Anthropic for administrative and sales tasks. The researchers found ways to access internal data, including meeting transcripts and Slack messages, after running their agents for less than 12 hours.
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