Rap Legend, Coinbase Investor Nas’ Favorite Bitcoin Charity is Watsi.org By Justin O'Connell on December 5, 2016 Did you know that rapper Nas has his own domain on Coinbase.com? Well, he does (coinbase.com/Nas), and the rapper, who has invested in the San Francisco-based Bitcoin exchange, features on this digital property the non-profit Watsi.org. Read moreRap Legend, Coinbase Investor Nas’ Favorite Bitcoin Charity is Watsi.org