Your blogs published through tripoto is judged by a panel of editor on parameters like content, originality, details, pics quality and how its going to help others. Based on that you get credit. One blog contains highest 100 points and they credit based on these parameters. Also views on your blog and wish-listing by others gives you extra points.
For every blog you publish Tripoto awards you credits . So keep writing and keep collecting credits . Also when you answer to people's travel query on this Forum , then too you get points.
You can earn upto 75 credits from your blog based on content, authenticity and viewers. You can also share your YouTube link for your vlogs but not sure how much credits are earned.
Originality and good content are through which you earn credits on Tripoto. Write an interesting blog with all the details, experiences, suggestions and add some really great pictures of the same. You're good to go.