Bitcoin really changed the world and it uses now as an alternative payment and also for buying other services that accept cryptocurrency. And I think that Satoshi didn't expect that it will become popular and even thou he left the project. And one thing that I didn't get on why he is hiding? Is it for his security? Or he's one of the creator of altcoins? Who knows right?

And I think that after 10 years, Bitcoin will surely dominate the payment method and people will surely use electronic cash than paper cash. And the value of bitcoin will depend on the people who invested or if it can be manipulate the value.