Arya Bahmanyar, 28, makes rap music about driving Lamborghinis, "slinging coin," and indulging an urge to check the price of bitcoin on his phone while he's having sex. His style of hip-hop is an acquired taste. But the biggest bitcoin devotees in the world are here for it. After he said he made a million dollars in bitcoin, Bahmanyar left a lucrative career in commercial real estate and became the "bitcoin rapper" known as CoinDaddy. He writes and performs songs for YouTube, and lives off his earnings from investing early in bitcoin. The self-described cryptocurrency millionaire hopes to turn his hobby into an ... (full story)