OpenAI faces internal turmoil as 505 of its 700 employees demand the resignation of the board following the firing of founder Sam Altman. Altman and Greg Brockman, also ousted, have joined Microsoft's new AI team. Mastercard and AI firm Feedzai are teaming up to enhance fraud detection in cryptocurrency exchanges, integrating advanced AI software for improved security. Meanwhile, Tether has frozen $225 million in USDT linked to a human trafficking investigation, demonstrating its capacity to respond to legal enforcement actions. In the ETF arena, ARK and 21Shares continue their pursuit of SEC approval for their Bitcoin ETF, with recent filings suggesting progress. In Argentina's presidential election, Bitcoin advocate Javier Milei secures victory, offering a new direction for the country's approach to cryptocurrency and its economic challenges.