The impact of the Japanese finance minister's signal for yen intervention on BTC is short-term bullish and neutral in the medium to long term. From a short-term perspective, the intervention signal will suppress the USD/JPY Exchange Rate, leading to short-term pressure on the US dollar index, while BTC has a clear short-term negative correlation with the US dollar index; a weaker dollar will directly enhance BTC's pricing attractiveness. At the same time, the uncertainty in the forex market will attract some short-term risk-averse funds into BTC, forming buying support. Although some viewpoints suggest that yen arbitrage trading Close Position could trigger selling pressure on BTC, the proportion of BTC in arbitrage trading asset allocation is extremely low, and the actual impact of selling pressure is negligible. Furthermore, the Japanese intervention is essentially about injecting yen Liquidity, not tightening the global monetary environment, which supports the bullish logic. From a medium to long-term perspective, yen Exchange Rate intervention is a regional and temporary monetary policy operation that will neither change the core supply and demand logic of BTC Halving cycles, institutional Holdings trends, nor affect the Fed's monetary policy and the global encryption regulatory framework, which are key variables that determine BTC's long-term trend. The marginal impact on the market can be ignored, and the overall situation is neutral.