the blockchain 101 blog:
Please check the timeline below:
Introduction and history: 00:00-01:35
The block: 01:35 – 02:39
Hash: 01:55 – 02:39
De-centralized transaction process: 02:40 – 05:17
Proof-of-work: 03:21 – 04:21
Why blockchain is secure: 05:17-06:02
Application: 06:04 – 06:33
Financial properties of crytocurrency and libra: 06:33 – 08:30
Libra 101:
Myyyyyy coal-miner bear is the cutest!!! Ahhhhhh!