Co-founder and CEO Peter Randall will step down from his role and become president of the firm, helping Philippe Morel lead the company.
Gary Cohn has joined the board of advisors at blockchain data sharing startup Spring Labs.
Adam White, the fifth employee to join Coinbase, will leave and join Bakkt in November as its chief operating officer.
Jonathan Kellner will take charge of the institutional business at Coinbase after leading Instinet as CEO since 2014.
New business line taps Glenn Barber as chief institutional officer in preparation for product rollout at the end of 2018.
Second former C-level executive from the International Securities Exchange joins Gemini this summer.
Jamie Selway joins Blockchain as global head of institutional markets after spending seven years at agency broker ITG.
Sell-side veteran Jeff Horowitz joins cryptocurrency exchange after a 12-year stint with Pershing.
James Powell has held various technology chief roles including at Thomson Reuters between 2007 and 2015.
Crypto exchange Gemini will implement Nasdaq SMARTS Market Surveillance with Robert Cornish overseeing the project later this month.