BlockBeats News, January 31st, a trader pointed out that due to the escalating tensions in the Middle East, partial U.S. government shutdown, and the thin market liquidity over the weekend, Bitcoin tested $81,000.The explosion incident at the Port of Abbas in Iran dampened market risk appetite. The port is a crucial shipping hub in the Strait of Hormuz, carrying about one-fifth of the world's seaborne oil.At the same time, the U.S. Congress failed to pass a full-year appropriations bill before the deadline, leading to a brief weekend shutdown of the federal government. Although the shutdown is expected to be short, it has heightened concerns in the macroeconomy, prompting traders to remain cautious.

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