比特币，大跌

Group 1 - Bitcoin price has dropped below $81,000, experiencing a nearly 10% decline in a single day, reaching a new intraday low [1] - Matrixport's market analysis indicates that Bitcoin is currently in an extreme fear zone, with market pessimism at a level rarely seen in the past decade [1] - The prevailing sentiment suggests a potential illusion of "panic bottom and risk clearance," despite ongoing macro pressures that have not eased [1] Group 2 - The upcoming weeks will be crucial in determining whether Bitcoin stabilizes or enters a deeper phase of correction [1]