Christopher Giancarlo, former chairman of the U.S. Commodity Futures Trading Commission (CFTC), who was known as ‘Crypto Dad’, will join Jefferies Financial Group's investment banking division as a senior advisor, Bloomberg reported. During his tenure at the CFTC, Giancarlo supported the launch of BTC futures products by CBOE and CME, and is also known for his involvement in promoting the self-certification of BTC derivatives.