Coldcard Breach Hits $114M, Miners Pivot to AI, Circle Downgraded

A widening Coldcard hardware wallet exploit has drained over one hundred fourteen million dollars in Bitcoin from self-custody wallets, triggering an ironic flight to exchanges. Bitcoin mining difficulty falls fourteen percent from yearly highs as operators pivot to A I infrastructure amid compressed margins. Circle Internet stock tumbles after Morgan Stanley downgrade cites declining U S D C balances, while Strategy sells another one hundred five million in bitcoin to fund preferred dividend payments. Plus: Senate runs out of time on Clarity Act, bitcoin futures carry yields collapse below Treasuries, and Bithumb targets twenty twenty-eight I P O after restructuring. Markets trade mixed with Bitcoin at sixty-two thousand six hundred twenty-five dollars and Ethereum at eighteen forty-one dollars as security concerns overshadow improving macro conditions.