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UAE Diamonds Go On-Chain in $280M XRP Ledger Deal

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Nexo Partners with Bakkt for US Crypto Exchange and Yield Programs

TLDR:

  • Ctrl Alt and Billiton Diamonds launch $280M UAE diamond tokenization on XRP Ledger.
  • XRP Ledger enables secure, low-cost trading of previously illiquid luxury commodities.
  • Ripple Custody provides bank-grade vaulting for $280M in physical diamond inventory.
  • UAE regulatory alignment ensures global standards for on-chain real-world asset trading.

A $280 million diamond tokenization deal has launched in the UAE, bridging physical assets and blockchain. Ctrl Alt and Billiton Diamonds partnered to bring over a billion AED in diamonds on-chain. 

The XRP Ledger will host the transaction, leveraging its speed and low costs for high-value real-world assets. The initiative highlights growing digital commoditization in the UAE’s regulated blockchain ecosystem.

XRP Ledger Supports High-Value Asset Tokenization

Ctrl Alt’s tokenization project relies on the XRP Ledger’s native features for secure and efficient trading. The platform allows diamonds, historically illiquid, to become tradable digital assets in real time. 

Ripple Custody provides bank-grade vaulting for over $280 million in physical inventory. Integration with the UAE’s regulatory framework ensures compliance with DMCC and VARA standards.

Tokenized diamonds can be transferred or traded on-chain without moving the physical asset. The system uses smart ledger functionality to track ownership and provenance digitally. 

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Transaction costs remain low, which supports frequent trading of previously non-liquid assets. The platform demonstrates practical scalability for real-world luxury asset markets globally.

Regulatory and Market Implications of On-Chain Diamonds

The UAE’s regulatory alignment offers a blueprint for secure tokenization of high-value commodities. Ctrl Alt and Ripple operate within forward-thinking frameworks to reduce trust gaps for investors. 

The project showcases how banks and custodians can engage with digital assets safely. Tokenization of luxury goods may expand to other commodities like gold, art, and collectibles.

Ripple’s involvement signals increasing institutional adoption of blockchain for asset-backed products. By addressing storage, verification, and transfer risks, the initiative strengthens investor confidence. 

Digital ownership protocols reduce fraud risk while maintaining transparency in real-time audits. The project may accelerate broader adoption of the XRP Ledger for real-world asset markets.

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Suspected insiders make over $1.2 million on Polymarket ahead of U.S. strike on Iran

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U.S. sanctions crypto exchanges tied to Iran for first time after brutal protest crackown

Six Polymarket accounts earned roughly $1.2 million after correctly betting that the U.S. would strike Iran on Feb. 28, according to blockchain analytics firm Bubblemaps.

In a post on X, Bubblemaps said most of the wallets were funded within 24 hours of the attack and bought “Yes” shares in the “U.S. strikes Iran by February 28, 2026?” market just hours before explosions were reported in Tehran and other cities.The accounts had no activity beyond these predictions.

The strikes followed a televised address by U.S. President Donald Trump announcing what he called “major combat operations,” targeting the country’s missile, naval, and nuclear infrastructure. The attack saw bitcoin’s price drop while oil futures on Hyperliquid rose.

One Polymarket account Bubblemaps pointed to purchased more than 560,000 “Yes” shares at about 10.8 cents each, a position that paid out near $560,000 after the market resolved at $1. Another account bought nearly 150,000 shares at 20 cents, turning a six-figure profit. All six profiles were created in February, according to Polymarket data.

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Trading volume on the Feb. 28 contract reached nearly $90 million, part of more than $529 million wagered across related strike-date markets since December.

Bubblemaps published a visual map showing the six wallets clustered together and funded through similar paths.

The trades land as U.S. regulators weigh how to police insider activity on prediction markets. This week, rival platform Kalshi said it suspended and fined two users for insider trading, including a visual effects editor for MrBeast’s “Beast Games” who allegedly traded on knowledge of show outcomes.

Kalshi, which is registered with the Commodity Futures Trading Commission as a designated contract market, said it has investigated about 200 cases and has more than a dozen active probes.

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The CFTC issued an advisory noting the enforcement actions and warned that insider trading on event contracts may violate U.S. law. Chairman Mike Selig called exchanges the “first line of defense.” Kalshi banned the employee for two years and fined him more than $20,000. In a separate case, a political candidate was penalized for betting on his own race.

More recently, Polymarket traders have appeared to insider trade a market on insider trading itself. Blockchain sleuth ZachXBT last week teased he would publish the findings of an investigation into a crypto platform, which ended up being Axiom, whose employees he believed used non-public information to trade.

Teasing the investigation was coming, however, led to the creation of a Polymarket contract on which company would be named. Some clearly knew the answer on which company was under investigation, with Lookonchain identifying 12 wallets that heavily bet on Axiom ahead of the reveal.

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Berkshire CEO Greg Abel vows to keep Buffett’s culture of disciplined investing in first annual letter

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Berkshire CEO Greg Abel vows to keep Buffett's culture of disciplined investing in first annual letter

Greg Abel speaks during the Berkshire Hathaway Annual Shareholders Meeting in Omaha, Nebraska on May 3, 2025.

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Berkshire Hathaway‘s Greg Abel used his first annual shareholder letter as chief executive to reassure investors that the conglomerate’s culture of financial conservatism and disciplined investing established under Warren Buffett will continue “into perpetuity.”

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“I am honored by our Board’s decision to appoint me CEO of Berkshire and humbled to succeed Warren as I write my first annual letter to you,” Abel wrote in the missive to begin the company’s annual report released Saturday along with Berkshire’s quarterly earnings. “Warren is obviously a very hard act to follow.”

Abel, 63, signaled continuity rather than change as he takes the reins from the 95-year-old Buffett, who stepped down as CEO at the start of 2026 and remains chairman. The new CEO laid out a clear framework of foundational values for how he intends to keep running the conglomerate: to preserve its financial strength and maintain strict capital discipline.

“We maintain a fortress-like balance sheet, ensuring Berkshire’s foundation is never compromised,” he wrote. “We preserve this financial strength by using debt sparingly and prudently. Our substantial liquidity enables us to meet our obligations even under the most adverse conditions and to respond swiftly when opportunities arise.”

Other values he highlighted included a decentralized management model and “reputation for integrity.”

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Berkshire’s cash pile stood at $373.3 billion at the end of 2025. Abel described the mountain of cash as strategic dry powder, which allows the company to act decisively when opportunities surface without jeopardizing resilience. Abel also used the letter to push back on any notion that the sizable cash position signified that Berkshire was retreating from investing.

But Abel noted he will continue Berkshire’s long-standing resistance to paying a dividend.

“Our approach to cash dividends continues to be that Berkshire will not pay dividends so long as more than one dollar of market value for shareholders is reasonably likely to be created by each dollar of retained earnings,” Abel wrote, adding that the board reviews the policy annually.

Overseeing stock portfolio

Abel emphasized that Berkshire applies the same disciplined framework whether it is acquiring an entire business, buying shares of a public company or repurchasing its own stock.

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“We will assess value carefully, act patiently, and hold for the long term — preferably forever,” he wrote.

He added that Berkshire’s equity portfolio will remains concentrated in a small group of American companies, including Apple, American Express, Coca-Cola and Moody’s. Abel said the concentrated approach will continue, with limited trading activity, though Berkshire would “significantly adjust” a position if long-term economic prospects change.

Abel also settled a key question hanging over the leadership transition: he will directly oversee the equity portfolio. Ted Weschler will continue to manage about 6% of the portfolio, including investments previously overseen by Todd Combs, an investment manager and Geico CEO who left for JPMorgan recently.

“At Berkshire, equity investments are fundamental to our capital allocation activities; responsibility ultimately resides with me as CEO,” Abel wrote.

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Long-term commitment

Abel has been known internally as a hands-on operator with a deep bench of subsidiary CEOs reporting to him. The Canadian executive, born in Edmonton, Alberta, has a 25-year tenure at Berkshire under his belt. Abel joined Berkshire in 2000 when the conglomerate bought MidAmerican Energy, where he eventually became the CEO in 2008. Prior to that, Abel worked at CalEnergy where he transformed the small geothermal firm into a diversified energy business.

He underscored that he views the role as a long-term commitment as he intends to steward Berkshire for decades.

“Our owners’ time horizon extends beyond the tenure of any individual CEO,” he wrote. “I will not be your CEO for the next 60 years as simple arithmetic makes that – shall we say – an ambitious plan. However, 20 years from now, when I will have just a fraction of the tenure that Warren had, my intention is that you – or your descendants – will be proud that your company is even stronger.”

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U.S. Strikes on Iran Spark Debate Over Bitcoin Hashrate and Market Stability

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Bitcoin Miner Activity Hits Highest Level Since 2024 with 90K BTC Sent to Binance


Some observers noted that even if Iran controlled 5% of global hashrate, the network would continue functioning without disruption.

Bitcoin mining in Iran is back in the spotlight after a viral X post on February 27 claimed the country runs a $1 billion operation that could be wiped out.

The debate has split crypto observers, with some warning of a temporary hashrate shock and others dismissing the claims as exaggerated fear, uncertainty, and doubt (FUD).

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Iran’s Mining Footprint and the Strike Scenario

The discussion began when independent analyst Shanaka Anslem Perera posted that Iran mines Bitcoin at a theoretical cost of $1,320 per BTC using heavily subsidized electricity and then selling it at the current price near $68,000 to extract what he described as a 50x gross margin.

He alleged that around 700,000 mining rigs consume roughly 2,000 megawatts daily, much of it tied to operations linked to the Islamic Revolutionary Guard Corps, or IRGC.

Perera tied the argument to sanctions, saying Bitcoin allows Iran to convert restricted energy resources into liquid capital beyond the reach of SWIFT prohibitions.

A January 16 report by Chainalysis found that Iran’s total crypto activity exceeded $7.78 billion in 2025. Furthermore, the report said addresses linked to IRGC facilitation networks received more than $3 billion last year, up from just over $2 billion in 2024, and that activity often spiked during military or political crises.

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Nonetheless, critics quickly challenged the mining cost assumptions, with analyst Dasha calling the $1,320 figure “100% fake news,” arguing it relies on household electricity rates that cannot be achieved in practice due to blackouts and shortages.

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Hashrate Shocks Are Not New

The objections did not stop there, as miner ZynxBTC dismissed the concern entirely:

“Even if Iran controlled 5% of global hashrate (it doesn’t), and it went offline, the network would continue functioning normally.”

Recent U.S. events support that argument. Earlier in the year, the network continued operating even after a severe winter storm forced major Texas miners offline, pushing the hashrate down from 1.133 ZH/s to 690 EH/s in just a couple of days.

However, Perera argued that grid failure differs from voluntary shutdown. According to his analysis, with tensions brewing in the Middle East, a 7-to-10-day air campaign targeting Iranian military infrastructure would likely collapse electricity generation by an estimated 30% to 50%.

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He insisted that mining rigs require continuous power, and even brief outages could destroy active operations. As such, he postulated that a strike on Iran’s already fragile grid could see the country’s estimated 2% to 5% share of the global hashrate drop to zero within days, triggering a difficulty adjustment that would extend block times and temporarily spike transaction fees. As CryptoPotato reported, the US and Israel have already launched strikes on Iran earlier today.

Still, others argued that the Bitcoin network has withstood even larger shocks, with researcher Furkan Yildirim noting that China removed more than half of the global hashrate in 2021, yet the network soon adjusted as miners relocated.

“An Iranian grid failure would be a rounding error by comparison,” he tweeted.

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11 US Senators Urge Probe Into Binance’s AML Controls

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11 US Senators Urge Probe Into Binance's AML Controls

A group of 11 US senators has asked federal authorities to investigate whether crypto exchange Binance is complying with US sanctions and Anti-Money Laundering (AML) requirements, citing recent reports.

In a letter on Friday to Treasury Secretary Scott Bessent and Attorney General Pamela Bondi, the lawmakers urged a “prompt, comprehensive review” of the exchange’s compliance controls and its adherence to settlement agreements reached in 2023.

The senators pointed to allegations that approximately $1.7 billion in digital assets flowed through Binance to Iranian entities linked to terrorism, including groups connected to the Houthis and the Islamic Revolutionary Guard Corps. Investigators also reportedly identified more than 1,500 accounts accessed by users in Iran and potential activity connected to Russian sanctions evasion.

According to the letter, some Binance compliance staff who uncovered suspicious transactions were later dismissed, and law enforcement agencies said the exchange had become less cooperative in providing customer information.

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Related: Binance stablecoin reserves have sunk 19% since November

Senators warn Binance products could enable sanctions evasion

Senators Chris Van Hollen and Ruben Gallego, joined by Angela D. Alsobrooks, Andy Kim, Raphael Warnock, Tina Smith, Catherine Cortez Masto, Mark R. Warner, Elizabeth Warren, Jack Reed and Lisa Blunt Rochester, signed the letter.

They also raised concerns about newer products, including payment cards launched in parts of the former Soviet Union and partnerships tied to stablecoin initiatives, which they warned could facilitate sanctions evasion.

The senators asked the agencies to report by March 13 on any steps taken to examine the exchange’s conduct.

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Senators ask for probe into Binance. Source: Senate

On Tuesday, Senator Richard Blumenthal, ranking member of the Senate Permanent Subcommittee on Investigations, also launched a congressional inquiry into Binance. He sent a letter to Binance CEO Richard Teng requesting documents and internal records related to the exchange’s sanctions controls.

Related: Binance confirms employee targeted as three arrested in France break-in

Binance denies Iran-linked transaction claims

In a statement to Cointelegraph this week, Binance rejected allegations that its platform facilitated illicit transactions, saying it identified and reported suspicious activity to authorities and does not allow Iranian users. A company spokesperson said recent media coverage misrepresented the exchange’s operations.

Last week, the exchange also disputed a report claiming it processed more than $1 billion in Iran-linked transfers and denied dismissing investigators over the issue.

Teng has also criticized a Wall Street Journal report alleging $1.7 billion in Iran-related activity, calling it defamatory and seeking a retraction.

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Magazine: How crypto laws changed in 2025 — and how they’ll change in 2026