In 2016, Cash was named a Forbes 30 Under 30 Artist,[1] and in 2018 was appointed a member of the USPS Citizens' Stamp Advisory Committee.
[2] In 2011, Cash and co-creator Andy Dao stamped fact-based infographics onto dollar bills to inform the public about America's wealth disparity.
In 2014, Cash and Dao were commissioned by the Victoria & Albert Museum to design stamps about the UK's wealth disparity on the £5 note.
In 2013, Cash and co-creator Jeff Greenspan launched collaborative art project Selfless Portraits, where strangers across the world drew each other's Facebook profile pics.
In 2015, Cash designed and installed official-looking ‘No-Tech Zone’ signs in parks across San Francisco.