The price of Bitcoin has decreased today because many people who borrowed money to buy Bitcoin are selling it, causing the price to go down.
Even though prices have gone up a lot in the past, they are going down today because fewer people want to buy Bitcoin.
Some people think that the price of Bitcoin will go back up again, but right now it is going down.
The price of Bitcoin can go up and down a lot, so it is important to be careful if you want to buy it.