The Crypto Assets and Cyber Unit in the Division of Enforcement will grow to 50 dedicated positions.
Participants included over 1,000 representatives from more than 20 countries.
COVID-19 pandemic and geopolitical tensions round out the top three threats in DTCC survey.
The Australian regulator concluded its investigation into the ASX equity market outage in November 2020.
Quantum Dawn VI tested over 900 participants' responses to a simulated ransomware event.
There is no standard approach to identify data that needs to be protected.
The new unit will employ up to 400 high value, experienced and graduate level roles.
Michael Corbat, chief executive of Citi, said partnering with fintechs is the future.
An international search to appoint a successor is underway.