BITCOIN OR BTC IS THE FIRST MONEY OF THE WORLD'S FIRST MONEY AND THE FOUNDATION FOR THE DEVELOPMENT OF THE CRYPROCURRENCY MARKET.
Hello cuong1610, thank you for making an effort to give a tutorial for beginners.
I'd like only to say that with the bold words it's easier to say that bitcoin is the first cryptocurrency. Please keep on making good threads like this for the new ones.
+ Blockchain.info
It's now blockchain.com