Bitcoin - Proof of work [5Iwai8x5djh]

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: An explanation of cryptographic proof-of-work protocols, which are used in various cryptographic applications and in bitcoin mining. More free lessons at: Video by Zulfikar Ramzan. Zulfikar Ramzan is a world-leading expert in computer security and cryptography and is currently the Chief Scientist at Sourcefire. He received his Ph.D. in computer science from MIT. #battle bulls crypto #bitcoin dominance chart #microstrategy aktie: bitcoin