Aug 10, 2026Twila Rosenbaum Nuclear startup Valar Atomics has raised $1 billion in equity in a round led by Sequoia partner Shaun Maguire, who joins its board. The company also secured a $200 million credit line from Erebor and other banks. Bloomberg pegs its valuation at $6 billion. Valar aims to manufacture fleets of small modular reactors, with its Ward 250 unit already powering an Nvidia Blackwell system. View more
Aug 10, 2026Twila Rosenbaum Horizon3 has raised $250 million in Series E funding at a $2 billion valuation as AI-driven cyber threats accelerate demand for continuous security testing. The company's NodeZero platform has run 310,000 production tests with zero disruptions and approached $100 million in annual recurring revenue last year. Strategic investors include Singapore's EDBI, defense contractor SAIC, and Qualcomm. Horizon3 plans to expand internationally with new offices in Amsterdam, Australia, and Singapore. View more
Aug 08, 2026Twila Rosenbaum A new Ethereum proposal from six researchers would gradually burn validator rewards as staking climbs, cutting issuance to zero at about 60.25 million staked ETH. The idea seeks to cap staking and protect decentralization by making additional stake less profitable. The plan, if adopted, would phase in over two years and only affect newly issued ETH. View more
Aug 08, 2026Twila Rosenbaum The Coldcard wallet exploit has analysts predicting a shift in investor behavior. Cantor sees positive read-through for crypto custody providers, while FRNT Financial says the breach could drive some investors toward bitcoin ETFs. Both firms believe the long-term impact will be adaptation rather than abandonment of self-custody. View more
Aug 08, 2026Twila Rosenbaum A new Solana governance push, SGP-0003, combines a fee overhaul with a faster reduction in SOL issuance. If adopted, daily burned SOL could rise from roughly 650 to as many as 9,000 coins, worth $47,000 to $650,000. Validators holding 24.94 million SOL have signaled support, but about 40 million more are needed before a vote by Aug. 18. View more
Aug 08, 2026Twila Rosenbaum Coldcard wallet developer Coinkite is urging users to move their bitcoin immediately as an active exploit has already drained as much as $114 million from self-custodied wallets. The vulnerability affects specific Coldcard models and firmware versions, with wallets created via dice-roll option considered safe. The flaw has been dormant in firmware since 2021 and allows attackers to guess poorly randomized seed keys. View more
Aug 08, 2026Twila Rosenbaum A fourth wave of suspected sweeps may push Coldcard-related bitcoin losses to about $114 million. The attackers have moved roughly 1,816 BTC from more than 5,200 addresses since late July, researchers say. Unlike earlier sweeps, this latest wave uses replace-by-fee, giving observant victims a chance to rescue funds by paying higher fees. Security experts believe the issue affects single-key Coldcard seeds rather than multisignature vaults. View more
Aug 08, 2026Twila Rosenbaum The AI bubble has driven up memory prices and Apple product prices. Critic Ed Zitron explains why AI economics are unsustainable, who will bear the cost, and why Apple may benefit by staying cautious. Hyperscalers have spent over $1 trillion on infrastructure, but AI demand remains concentrated in unprofitable companies. Apple, by contrast, has spent very little and may emerge unscathed. View more
Aug 07, 2026Twila Rosenbaum From chatbots dispensing dangerous advice to autonomous systems making erratic decisions, rogue AI behavior is becoming a pressing concern. These incidents reveal weaknesses in model training, oversight, and deployment. Understanding the causes is the first step toward safer artificial intelligence. View more
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