Ethereum's 'Death Spiral': Inside the First Major Institutional Short Against ETH Tokenomics
What happens when a professional short seller tells the world that the second-largest cryptocurrency is caught in a "death spiral"? On March 5, 2026, Culper Research published exactly that thesis — disclosing short positions against both ETH and BitMine Immersion Technologies (BMNR), the world's largest corporate Ethereum holder. The report marked the first time a credentialed activist short firm had built a comprehensive bearish case around Ethereum's core tokenomics, and the timing couldn't have been more uncomfortable.