Explore a conference talk on efficient batched oblivious PRF and its applications to private set intersection, presented at CCS 2016. Delve into the research conducted by Vladimir Kolesnikov, Ranjit Kumaresan, Mike Rosulek, and Ni Trieu, focusing on privacy-preserving protocols. Learn about the PSI protocol, test protocol, and various extensions discussed during the presentation. Examine the transfer tensions, attentions protocol, and K and P protocol, as well as their security implications. Compare different approaches and gain insights into privacy-enhancing technologies in decision-making processes. This 25-minute talk, delivered at the 23rd ACM Conference on Computer and Communications Security in Vienna, Austria, offers valuable knowledge for researchers and practitioners in the field of cryptography and secure computation.