X @Wu Blockchain

Marathon Digital CEO Fred Thiel warned that Bitcoin mining margins are shrinking amid rising energy costs and intensifying competition. Only miners with low-cost power access or those pivoting to AI and high-performance computing (HPC) are likely to survive. Thiel noted that major players are already shifting toward AI and compute infrastructure, squeezing smaller miners. He cautioned that after Bitcoin’s 2028 halving cuts block rewards to around 1.5 BTC, most mining firms may struggle to remain profitable ...