WHAT IS PROOF OF STAKE (PoS)?
Proof-of-Stake. A solution to the problems of Proof-of-Work. Or not?
00:00 - Intro
00:51 - Mechanism and advantages
01:48 - Who is validator?
02:42 - How does Proof-of-Stake choose the next validator?
03:31 - Differences between PoS and PoW
04:09 - Flaws
04:49 -Summary