The reason for the decline is simple. The U.S. stock market opened down. The three major stock indexes fell. The U.S. stock market opened. The Dow Jones Industrial Average fell 0.08%, the S&P 500 fell 0.13%, the Nasdaq fell 0.18%, Coinbase fell 2.28%, and MicroStrategy fell 1.22%. It seems that the crypto market has not yet gotten rid of the synchronization with the U.S. stock market. $BTC