Podcasts:
Unchained
Unconfirmed
Epicenter(http://www.autoadmit.com/thread.php?thread_id=3928108&forum_id=7#35680380)
https://www.facebook.com/events/313381899087517
Blockchain at Berkeley's reading materials are very informative for learning the fundamentals in depth. The first one is for Ethereum and the second one is for Proof of Stake.(http://www.autoadmit.com/thread.php?thread_id=3928108&forum_id=7#35680608)