Former BitMEX CEO Arthur Hayes cautions Bitcoin traders about potential volatility in the coming weeks.Hayes emphasizes the importance of Bitcoin holding the $76.5k level until US tax day on April 15 to avoid extended turbulence.Market reacted negatively to US President Donald Trump's tariff announcements, causing Bitcoin's price to drop towards $82,000.Bitcoin shows signs of seller exhaustion, but sustained bullish momentum is yet to be confirmed.