Blackrock purchased 796 BTC after Trump tariffs and market decline, bringing its holdings to 575,492 BTC.The total purchase was approximately $66.17M at an average cost of $83.1K per BTC.Other ETFs like Valkyrie were cautious and made smaller purchases, with Valkyrie buying 31 BTC.Competitors like Fidelity, Ark/21 Shares, and Grayscale Mini made larger purchases in response to Trump's tariffs.