BTC just surged to $90,000, and the entire network is cheering: the bull market is back. But if you look at the candlestick chart, this level has been tested three times already. No positive news, no influx of funds, no institutional endorsement. If you think this is just a buildup before a breakout, then you have already fallen into the most dangerous illusion of the year-end. The real reason is not in the order book, not in the candlestick chart, but in four words: liquidity vacuum. First level reversal at 90K