Khan Academy’s Series On Bitcoin

What Is IT?


Bitcoin – Overview


Bitcoin – Proof of work

An explanation of cryptographic proof-of-work protocols, which are used in various cryptographic applications and in bitcoin mining.

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.

The Transaction Block

Bitcoin The Money Supply

Transaction Record

Cryptographic Hash Function

Digital Signatures

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