The reason for the decline is simple, the US stock market opened down, all three major indexes fell.
When the US stock market opened, the Dow Jones fell 0.08%, the S&P 500 fell 0.13%, the Nasdaq fell 0.18%, Coinbase fell 2.28%, MicroStrategy fell 1.22%. It seems that the cryptocurrency market has not yet escaped the rhythm of the US stock market. $BTC $ETH #BTC #ETH