By Rob Lenihan The crypto collapse has increased calls for regulation as SEC Chairman Gary Gensler calls for ‘one rule book’ to protect all trading. The calendar may say it’s summer in the Northern Hemisphere, but it’s winter in crypto world. The rapid collapse of the cryptocurrency market has left many investors stunned, while boosting calls for regulation. Gary Gensler, chairman of the Securities and Exchange Commission, shared some of his thoughts about cryptocurrency with CNBC’s Jim Cramer during an interview on Squawk on the Street. ‘Key Attributes of a Security'”Many of these financial a…
