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Google co-founder Sergey Brin has now spent $100 million to fight the billionaire tax

Google co-founder Sergey Brin has donated another $20 million to Build a Better California, an organization advocating against California’s proposed billionaire tax, according to a new filing. That means that the world’s fourth-richest man, whose net worth hovers around $267 billion, has now spent more than $100 million to avoid an estimated $13.3 billion tax…

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Bybit Private Wealth Management Beat November Downtrend With Top Fund Delivering Close To 30% APR

Dubai, United Arab Emirates, December 5th, 2025, Chainwire Bybit, the world’s second-largest cryptocurrency exchange by trading volume, showcases the latest monthly performance update of its Private Wealth Management (PWM) division, with the top-performing fund recording 29.72% APR in November 2025. With wild swings across markets in the past month, Bybit PWM continued to deliver robust…

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Bitcoin defenders seek frontier AI access in 40-group push

Bitcoin Policy Institute and more than 40 digital-asset organizations have called on leading AI laboratories to give qualified open-source security researchers controlled access to frontier models as AI-assisted cyberattacks grow more capable. Summary More than 40 organizations signed the appeal for trusted access to advanced AI models. The coalition requested early model access, computing power,…

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What Is Relationship Finance (ReFi), And How MaAvatar Builds Its Valuation Layer

Digital platforms have spent years monetizing attention, clicks, and data. Yet the most meaningful value online has always come from relationships. Relationship Finance (ReFi) reframes how value is created by turning trust, participation, and collaboration into measurable economic signals. Instead of rewarding passive activity or speculation, this model connects social engagement with blockchain-backed incentives. MaAvatar…

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