bitcoin is known to everyone. I know it's very old. but I think it has gained more value lately. those who invested earned a lot. and continues to win. I can say the best crypto money in the market right now. because it is profitable. everyone can win. a very good boon for investors. I have been following crypto coins for a long time. Bitcoins are constantly gaining value while other currencies are losing value frequently. Anyone with money should buy it, and this is a very good passive income method. bitcoin is great for earning