The Blockchain & Bitcoin – Computerphile

Blockchain is the underlying technology behind cryptocurrencies bringing together Merkle trees, Hashing & Distributed Architecture. Christopher Ellis explains.

Note1 – At 6:46 when Chris is drawing the Merkle Tree, C would actually be duplicated and hashed with itself not with B. So you would get H(C – C) instead of H(B – C).

Note2 – At minute 17, Christopher mentioned the mining reward halving at 21,000 bitcoins but meant 210,000 blocks.

Public Key Encryption: https://youtu.be/GSIDS_lvRv4
The Perfect Code: https://youtu.be/WPoQfKQlOjg


This video was filmed and edited by Sean Riley.

Computer Science at the University of Nottingham: http://bit.ly/nottscomputer

Computerphile is a sister project to Brady Haran’s Numberphile. More at http://www.bradyharan.com


Giới thiệuThúy Navi

Thúy Navi 26 tuổi đam mê du lịch, công nghệ,đang sống và làm việc tại Hà Nội. Founder,Blogger tại Website: http://www.internetviettelnhatrang.com/

38 Bình luận

  1. what I dont get is cant people just type out paragraphs or words and then figure out the hash to them? They have hashing online where you jus type something into it and it shows you the hash. I mean there the same every time right? I know one little difference changes the hash but what if you happen to type the exact same word or sentence ?

  2. You know this will come to all know knowledge to "protects data" which dont need to be "protected" since we have manual libraries but I guess the main goal for these people" would be the "burning" of manual libraries eg. destroing manual data -I can see it in this future and I guess the main force would be poiticians and thier holy cow commersialism plus dictarorship and countries with where a careless peron takes power just because he can -much like a psyco

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  4. Just discovered this video, I'm based in the US and about ready to buy my first few bitcoins…I opened an acct on Coinbase but inly able to buy $1k per day from my checking acct, I do have more than $30k in my checking acct, can anyone recommend a SAFE, secured platform that offers customer support (Coinbase doesn't really do that) for Bitcoin investing/trading? Thanks!

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