Bitcoin's value is constantly increasing. Why is the price of bitcoin increasing over time?
It is because the buyers of bitcoin are increasing. The spread of bitcoin is continue and with the passage of time more and more people know about it and they invest their money in bitcoin so with that demand the price of bitcoin increase.
Yes exactly. A lot of people are trying to buy bitcoin, which means that the the demand is very high. This then leads to a lot of people selling it and they are trying to make a profit, so they sell it for a high price. Hence, the price of bitcoin increases.