Hello Quang and welcome to Steemit.
You are a Steemian now! And your first blog is online. Better late than never, and I'm sure one day we will say those were the very early days of Steemit, so congrats!
Youre into crypto them this is a great place for you.
Whats essential here is regular posting off good quality blogs.
So start writing ! Tell us about your life, passion, animals or your work.
That Will attract possible followers.
Do be carefull with your passwords, they are yours and yours only.
Look up the free Steemify app in the Appstore Thats helpfull too.
Hope this helps for now. Good luck, and Full Steem Ahead!
Love from the Netherlands
Britt