Solo Learn community is like a university with the XP like the student GPA.
You find the GPA( XP ) easy and cheap at the beginning only to find out that it's the most difficult thing to come by. Your GPA(XP) increases drastically when you score grade A+ (win a challenge) at the beginning and reduces severely when you score grade F ( loose a challenge ) at the top. Every student (Solo learner) is striving to attain a higher GPA( XP ). The student( learner ) with the highest GPA(XP) is the most famous and respectable person in the university (community).