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Diego Whitfield

Diego Whitfield

Staff Writer

Diego Whitfield covers business for Doctorcrypto, with a focus on breaking news and the day’s biggest stories.

Business

OpenAI says its new 'Astra' AI can build attacks without human help

OpenAI has revealed that its latest experimental system, dubbed "Astra," has become the first of its models to cross the company's "Critical" cybersecurity threshold, an internal…

Diego Whitfield · 2026-09-02
Business

Solana, ether, xrp lead majors slide as Iran strikes drive a broad risk selloff

Cryptocurrency markets tumbled over the past 24 hours as escalating geopolitical tensions in the Middle East triggered a broad flight from risk assets, with Solana, ether, and XRP…

Diego Whitfield · 2026-09-02
Business

Bitcoin withstands $90 oil and rising yields while gold slides. A firm dollar is the catch

Bitcoin is holding its ground even as a burst of macroeconomic pressure — oil pushing toward $90 a barrel and climbing bond yields — knocks the wind out of stocks and gold. Yet a…

Diego Whitfield · 2026-09-02
Business

SEC proposes transfer agent rule, sets event to figure out round-the-clock U.S. trading

The U.S. Securities and Exchange Commission has released an agenda for an upcoming roundtable on aroundtheclock trading in American markets, while simultaneously advancing a…

Diego Whitfield · 2026-09-01
Business

Nvidia Invests $3.5 Billion in MediaTek to Expand Beyond GPUs

Nvidia is committing $3.5 billion to Taiwanese chipmaker MediaTek, deepening a partnership that stretches the AI giant's reach well beyond its dominant graphics processing unit…

Diego Whitfield · 2026-09-01
Business

Crypto-backed PAC scales back ad spending in Massachusetts primary

A cryptoindustry political action committee has significantly reduced its planned advertising outlay in a Massachusetts congressional primary, signaling a more measured approach…

Diego Whitfield · 2026-09-01
Business

Thailand adopts crypto Travel Rule with self-custodial wallet checks

Thailand has enacted new antimoney laundering rules for the digital asset sector, requiring crypto service providers to implement the socalled Travel Rule and verify user control…

Diego Whitfield · 2026-09-01
Business

What Is 'Red September'? Bitcoin's Curse, and Why Wall Street Has the Same One

September has developed a reputation as Bitcoin's most treacherous month, with the cryptocurrency posting losses in eight of the past 13 September periods. But the phenomenon…

Diego Whitfield · 2026-09-01
Business

UK crime agency froze $13.5M amid probe into Premier League crypto sponsor

The UK's National Crime Agency froze roughly $13.5 million in cash tied to Sorare, a blockchainbased fantasy sports platform that has partnered with several Premier League…

Diego Whitfield · 2026-09-01
Business

Dropbox Security Breach: Hackers Access Accounts Through Authentication Flaw

Dropbox users are facing a fresh security concern after reports emerged that attackers found a way to slip into existing accounts without ever needing a password, exploiting a…

Diego Whitfield · 2026-09-01
Business

Anthropic Ships Claude Fable 5.1, More Than Doubling Its Predecessor on Key Benchmark

Anthropic released Claude Fable 5.1 on Tuesday, an upgraded version of its flagship AI model that more than doubles the performance of its predecessor on a critical industry…

Diego Whitfield · 2026-09-01
Business

Bitcoin's Next Move: Bullish Bets Run Up Against a Historical Wall

Bitcoin has just closed out one of its strongest months in years, breaking away from the seasonal weakness that has historically plagued the asset — but analysts warn that the…

Diego Whitfield · 2026-09-01
Business

Solana Treasury DeFi Development Corp Eyes $20 Million Raise to Buy More SOL

DeFi Development Corp, a publicly traded firm that has become one of the most active corporate buyers of Solana, is planning to raise roughly $20 million to expand its already…

Diego Whitfield · 2026-09-01
Business

SEC proposes broad update to decades-old transfer agent rules with blockchain nod

The US Securities and Exchange Commission has unveiled a sweeping proposal to overhaul its rules governing transfer agents, aiming to bring regulations that have remained largely…

Diego Whitfield · 2026-09-01
Business

Kalshi issues first lifetime ban for Republican politician over insider bets

Prediction market platform Kalshi has handed down its firstever lifetime ban, permanently barring former Republican Congressman George Santos from its platform after an…

Diego Whitfield · 2026-09-01
Business

X Data Breach? Users Are Getting Flooded With Password Reset Emails Nobody Requested

Users of X, the social media platform formerly known as Twitter, reported receiving a wave of password reset emails they never requested, sparking fears of a possible data breach.…

Diego Whitfield · 2026-09-01
Business

Cathie Wood’s Ark Invest Buys $37 Million in Bitcoin and Payments Firm Block

Ark Invest, the investment firm led by prominent tech investor Cathie Wood, has scooped up roughly $37 million worth of shares in Block, the Bitcoinfocused payments company…

Diego Whitfield · 2026-09-01
Business

Bitcoin stays flat as global bond bear market rages on, pushing JGB to high

Bitcoin held its ground near $78,000 on Tuesday as government bond yields around the world climbed to their highest levels in decades, with Japan's benchmark debt hitting a…

Diego Whitfield · 2026-09-01
Business

Robinhood's new crypto network is printing cash, and it's sending Arbitrum's token soaring

Robinhood's newly launched blockchain network is generating substantial revenue, and the surge is spilling over into the price of Arbitrum's ARB token, which jumped roughly 30% as…

Diego Whitfield · 2026-09-01
Business

Firelight raises $8 million, expands beyond XRP as it aims to make DeFi less scary for fintechs

Firelight, a decentralized finance protocol focused on making DeFi safer for institutional players, has raised $8 million in fresh funding as it broadens its reach beyond the XRP…

Diego Whitfield · 2026-09-01