Assalamu Alaikum, how are you, I hope you are well. You have explained everything very well and answered every question of this contest very well. You have explained very well about blockchain and Bitcoin. Because blockchain may be known, it is a type of money on the Internet.
Wa Alaikum Assalam! Thank you so much for your kind words. I'm glad you found my explanation on blockchain and Bitcoin helpful. Take care!
most welcome.