币界网报道：Bitcoin's market dominance surged to 66%, its highest level since April 2021, as altcoins struggle amid bearish sentiment. The BTC dominance index rose steadily from 38% in January 2023, reflecting investors' flight to safety during crypto market turbulence. While Bitcoin's price remains below its all-time high, its relative strength highlights growing institutional adoption through spot ETFs and weakening altcoin appeal. Analysts note this dominance spike often precedes altcoin rallies, but current conditions show no signs of reversal, with Ethereum and other major altcoins continuing to underperform against Bitcoin. The widening gap underscores shifting market dynamics favoring Bitcoin's store-of-value narrative over altcoin utility propositions