All my mixtapes platinum, niggas thought I was gold

from Rick Ross (Ft. Birdman & Meek Mill) – Last Breath Lyrics on Rap Genius

Meaning

he is referring to his million downloads on datpiff.com
http://www.google.com/imgres?q=dreamchasers&hl=en&biw=1280&bih=709&tbm=isch&tbnid=K-wMnlFSH7JokM:&imgrefurl=http://diabloscorner.com/2012/01/top-10-best-mixtapes-of-2011-brought-to-you-by-the-xxl-magazine-staff-2/&docid=yg-qQV3z4RPdrM&imgurl=http://diabloscorner.com/wp-content/uploads/2012/01/meek-mill-dreamchasers.jpg&w=900&h=900&ei=DUIKUPHVBYiS9QSk-eTXCg&zoom=1&iact=hc&vpx=390&vpy=379&dur=723&hovh=216&hovw=215&tx=114&ty=216&sig=107601825751862742042&page=1&tbnh=156&tbnw=144&start=0&ndsp=18&ved=1t:429,r:13,s:0,i:113

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