What is Bitcoin? (v3) – Learn Bitcoin in 10 Minutes – 2017 Edition

https://www.youtube.com/watch?v=BcNj6KVjk2E
This video, https://www.youtube.com/watch?v=BcNj6KVjk2E, can also be seen at https://www.youtube.com/channel/UCTgsvRvbB7hra5IJY2MK02A.