Cryptographic mechanisms

8 videos about cryptographic mechanisms that people linked on Reddit, from the Security, Mathematics and Physics shelves.

Also see Security, Mathematics, Physics

Format Length Approach Sort 8 entries

25 min But how does bitcoin actually work?3Blue1Brown

Sorry, on mobile so not very detailed, but the YouTube user 3Blue1Brown, who has ~275k followed and posts fantastic videos about math, just posted a video describing how Bitcoin works. We should lobby him to do an Ethereum video! Here is his channel page. Idk how best to lobby him.

Posted to r/ethereum

23 min How Does SHA-256 Work?learnmeabitcoin

Posted to r/cryptography: An incredibly detailed step-through the SHA-256 algorithm

33 min Can we calculate 100 digits of π by hand? The William Shanks method.Stand-up Maths

Matt Parker just released a video for Pi Day 2022 trying to calculate $\\pi$ using this method.

Mentioned in r/3Blue1Brown

22 min How Bitcoin Works Under the HoodCuriousInventor

Edit: I've found this video which explains some of the things already in more detail:

Mentioned in r/3Blue1Brown

9 min The RSA Encryption Algorithm (1 of 2: Computing an Example)Eddie Woo

Thanks for the link. Here's another great video by Aussie maths teacher Eddie Woo that explains RSA encryption's public and private key and manages to make it seem simple by walking you through the maths involved using simple examples. EDIT: link fix

Mentioned in r/Bitcoin

18 min Blockchain 101 - A Visual DemoAnders Brownworth

I don't understand it well enough to try to explain it, but this video is a great one, it goes step through the blockchain basics and spends the first part of the video discussing hash.

Mentioned in r/CryptoCurrency