Abstract Bio At the core of cryptoeconomic systems like Libra is a mechanisms for 'agreeing' on a history of payment transactions. The journey to practical and robust solutions is accelerated by the drive to great inclusive financial services. This talk sheds light onto the efforts that led to the design of Libra's blockchain core and provides a glimpse on next steps. Dahlia Malkhi is an applied and foundational researcher in broad aspects of distributed systems technology. Currently, she is a research lead at Calibra, where she is working on advancing the Libra technology. She is a co-inventor of HotStuff; co-founder and technical lead of VMware blockchain; co-inventor of Flexible Paxos, the technology behind Log Device; creator and tech lead of CorfuDB, a database-less database driving VMware’s NSX-T distributed control plane; and co-inventor of FairPlay project. Dahlia is an ACM Fellow, 2011. She joined Calibra in June 2019 as a research lead. In 2014, after the closing of the Microsoft Research Silicon Valley lab, she co-founded VMware Research and became a Principal Researcher at VMware until June 2019. From 2004-2014, she was a principal researcher at Microsoft Research, Silicon Valley. From 1999-2007, she was a tenured associate professor at the Hebrew University of Jerusalem, and from 1995-1999, a senior researcher at AT&T Labs, NJ.