As you may know, Israel has a very active Bitcoin community. One of its biggest hubs is the Meetup group, holding various events including monthly lectures. Most of the content is in Hebrew, however occasionally we host a lecture in English. This thread will share videos of these lectures.

Special guest lectures:
Quantum Computing and Bitcoin (Vitalik Buterin, November 2013)
Fungibility, Privacy & Identity (Adam Back, February 2014)
Politics and the Bitcoin Protocol (Peter Todd, May 2014)
Tel Aviv Special Bitcoin Meetup July 2014 (lectures by Jack Liao and Marco Krohn)
What Bitcoin Private Keys say to Each Other (Nicolas T. Courtois, October 2015)
Bitsquare: The decentralized bitcoin exchange (Manfred Karrer, May 2016)

English lectures by Israelis:
TechAviv Founders Club Dec 2013: The Bitcoin Revolution
Zerocash (Eli Ben-Sasson, April 2014)
Bitcoin vs. Quantum Money (Or Sattath, August 2014)
IOTAFEST Day 2 - Bitcoin track (May 2015) - 4 sessions. One of them in Hebrew, you can skip with the time markers.
Advanced Concepts in Blockchain Design (Lior Yaffe, July 2016)

Israel Bitcoin Think Tank:
Bitcoin Israel Think Tank - Episode 1 (Meni Rosenfeld, Vitalik Buterin, Ron Gross, Dominik Weil and Eli Sklar)