Bitcoin Problems – Computerphile
The science of the block chain is already an issue. One of the problems we're interested in, for example, is how do you extend mobile payments to villages in the…
Stereo 3D Vision (How to avoid being dinner for Wolves) – Computerphile
you can get results from this where you can't get results from lasers lasers get bleached out in sunlight i had a colleague that i was speaking to who went…
How secure is 256 bit security?
In the main video on cryptocurrencies, I made two references to situations where, in order to break a given piece of security, you would have to guess a specific string…
[CS198.1x Week 1] Bitcoin Review
Let's go over what we talked about in lecture. First, we talked about the concept of identity on the Bitcoin network. In Bitcoin, each node’s identity is represented by their…
Bitcoin Mining in 4 Minutes – Computerphile
Sean> How do Bitcoin miners mine? Mike> There's no actual digging involved. Think back to our video on hashing – so a hash function takes a message of any length…
SHA: Secure Hashing Algorithm – Computerphile
SHA stands for the secure hash algorithm. Which is interesting given that it has just kind of been broken But I'm not going to talk specifically about the attack on…
How Does Bitcoin Work? Simple and Precise Explanation
What if I told you that Bitcoin doesn't work like money? Bitcoin is just transactions. Suppose that Alice, Bob, and Doge each possess 1 bitcoin. They have one piece of…