Bitcoin is a type of digital money that people can buy and sell. It has been going up in value recently, which means it is worth more now than it was before. In the past 24 hours, Bitcoin's price increased by 4.21%, making it worth $68,503 per coin. This is good news for people who own Bitcoins or want to buy them. The number of Bitcoins available is limited and there are not many left to be found, which makes them more valuable. Read from source...

- The title of the article is misleading and sensationalized. It implies that Bitcoin has increased by 4% in a single day, but it does not mention the volatility or the overall trend of the coin over a longer period of time. A more accurate and informative title would be "Bitcoin's Weekly Trend: A 8.0% Gain Over The Past Seven Days".

The article has a positive sentiment. It reports that the price of Bitcoin has risen 4.21% in the past 24 hours and 8.0% in the past week.