I'm a 21-year-old college student. They say Bitcoin is an invention that will change the world and benefit mankind. In the past two months, I wrote dozens of emails to the leaders and celebrities in this field to try to raise money for my sister's surgery which can save her life. But they all choose a silent treatment, there was no reply. The same thing happened on Twitter. It seems that all they concerned about is how to fish for fame and compliments. Maybe this is the real world.