Arianna Simpson, a partner at a16z Crypto, announced her departure from the well-known crypto investment firm in a post on the X platform. She plans to launch her own new fund, expanding her investment scope to include various vertical sectors. She specifically thanked Chris Dixon, founder and managing partner of a16z Crypto, for his long-term guidance, stating that his investment framework will continue to influence her career. According to Chris Dixon's response, Arianna Simpson is an early advocate of cryptocurrency, has experience founding cryptocurrency funds, and then worked at a16z Crypto for six years, making several successful investments.