比特币暴跌12%创16个月新低，7万美元心理防线失守，40万人爆仓

Group 1 - Bitcoin experienced a significant decline, dropping to around $63,000, with a daily loss of 12%, marking a new low since October 2023. The cumulative decline since last October exceeds 48%, with total market capitalization shrinking from $248 billion to $127 billion, resulting in 400,000 investors facing liquidation and a total liquidation scale of $1.703 billion [1] - The breach of the $70,000 psychological level is seen as a potential trigger for further sell-offs, with market analysts indicating that the cryptocurrency market is caught in a "downward spiral" [1] - The $70,000 price point is considered a critical political and psychological threshold, linked to the upcoming 2024 U.S. elections and previous bullish trends following Trump's victory [1] Group 2 - Institutional fund withdrawals have intensified selling pressure, with U.S. Bitcoin ETFs experiencing a net outflow of over $800 million after a net inflow of $562 million [2] - Bitcoin's role as a safe-haven asset is being questioned, as it has declined nearly 20% this year, while global stock markets have only recently begun to sell off [2] - The market is undergoing a "crisis of confidence," with the breach of the $70,000 level potentially serving as a catalyst for a broader sell-off, as the sentiment in the cryptocurrency market has plummeted [3]