Helical Fusion Co Ltd has signed Japan’s first-ever Power Purchase Agreement for fusion energy with Aoki Super Co Ltd, a major supermarket chain in central Japan. Announced in Kuala Lumpur, the deal commits Aoki Super to buy fusion-generated electricity once Helical’s stellarator reactor reaches steady-state, net-electricity operation. The agreement validates Helical’s HeliX Program criteria of reliability, maintainability, and continuous power production using existing technology rooted in six decades of Japanese fusion research. Aoki Super, already an investor in Helical Fusion since July 2025, sees the PPA as core to its sustainability strategy for energy-intensive retail operations. “This marks a concrete step toward real-world adoption of fusion power,” the companies stated, accelerating commercialization through Japan’s advanced manufacturing ecosystem.
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Unchained’s Tom Honzik explores advanced multisig quorum options for bitcoin custody, categorizing them into center, left-of-center, and right-of-center, based on tradeoffs between loss and theft risks. Center quorums like 2-of-3 balance protection, while left-of-center variants such as 2-of-4 enhance accessibility with sovereign access and agent failsafes. Right-of-center setups like 3-of-4 prioritize theft prevention. Keys are self-managed or agent-managed, enabling customizable arrangements. “We believe that 2-of-3 is the best choice for most people in most situations,” Honzik writes, emphasizing reduced single points of failure. Multisig innovations empower individuals with flexible, resilient security models for greater financial independence and flexibility. Forward-thinking users will tailor setups to personal needs, ensuring sovereign control amid evolving threat vectors.
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Ben Roy, in the thread “Notes on Internet Addiction,” reflects on his journey from remote work in the digital asset industry and relentless Twitter engagement to recognizing a debilitating “doom loop” of online addiction exacerbated by the COVID era. He describes the shift to a default “online-ness” state, leading to sensory overload, anxiety, diminished attention spans, and cultural “algorithmic flattening” that erodes personal originality. Yet, Roy remains optimistic about reclaiming agency through intentional practices. “I feel confident that I can claim my life back from being perma-online while still enjoying my favorite corners of the internet,” he writes. Emphasizing personal responsibility alongside potential systemic reforms, he advocates small, positive changes like digital sabbaths and prioritizing real-life incentives to foster healthier, more creative engagement with technology.
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The bitcoin mining industry has undergone rapid institutionalization since 2021, driving network hashrate to unprecedented levels through advances in ASIC efficiency and expansive power infrastructure development. Despite emerging competition from AI and high-performance computing demands, projections indicate sustained growth, with annual power energization averaging 2.9 to 6.9 gigawatts and next-generation miners achieving 10.0 to 12.5 joules per terahash. By 2028, cumulative capacity of 33 to 45 gigawatts could propel hashrate to an estimated 3,487 exahash per second, fostering a more resilient network. Under optimistic future Bitcoin prices of $300,000 to $500,000, hashprice may one day stabilize at ~$26.3 per petahash per second, while estimated baseline hashcosts decline to $14.85 per petahash per second, supporting viable operations for operators. “Ultimately, gross margins are expected to maintain at 43.5%,” the report notes, highlighting adaptive economics amid cyclical challenges and opportunities for low-cost power access to ensure long-term operation.
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