This post is part of a series on privacy-preserving federated learning. The series is a collaboration between NIST and the UK government’s Responsible Technology Adoption Unit (RTA), previously known as the Centre for Data Ethics and Innovation. Learn more and read all the posts published to date at NIST’s Privacy Engineering Collaboration Space or RTA’s blog . Our first post in the series introduced the concept of federated learning and described how it’s different from traditional centralized learning - in federated learning, the data is distributed among participating organizations, and