How is this possible? (CS:GO)

[Rush]

So I was playing cs the other day, and played against a dude who had every medal, like every pin, including those from majors. How is this possible, and how is it done? -> See screenshot

 

[Ever]

hax

 

[Window]

Or buy pins, and maybe he’s played the game for a very long time, longer than a gold nova 2 like yourself