Because a lot of money was withdrawn from cryptocurrency, this was the cause of such a drop in Bitcoin and all other altcoins!
it could be the reason why the crypto currency has decreased and there are many more reasons for the crypto currency to decline and one of the bad news can make a decline and all the development of the crypto currency depends on the investor itself
There are many things that affect market prices, but when prices fall continuously and with a large margin, it can happen because of
panic selling, with a large scale it can bring down prices. like what happened a while ago