CRYPTO INSIDER: Robinhood branches into bitcoin

You'll soon be able to buy and trade bitcoin and ethereum alongside stocks on Robinhood, the fee-free app announced Thursday.

• Robinhood users in five states will be able to trade Ethereum and bitcoin 24/7 for free starting in February.
• '"Ima keep it real I forgot I did that sh--": 50 Cent admits his newfound $8 million bitcoin wealth was purely accidental.
• Coinbase is teaming up with a Chicago-based tech firm to unleash crypto onto Wall Street.
• TD Ameritrade CEO: The bitcoin market is 'certainly not mature'
• The CEO of one of China's biggest bitcoin companies endorses just four cryptocurrencies and 'wouldn't touch' ICOs: 'It's just too risky'
• Finally, the heads of two US securities regulators promised in a WSJ op-ed that both the SEC and CFTC are watching the cryptocurrency and ICO space.