# Computer Science

An assortment of topics related to algorithms

But how does bitcoin actually work?How does bitcoin work? What is a "block chain"? What problem is this system trying to solve, and how does it use the tools of cryptography to do so?Jul 7, 2017

How secure is 256 bit security?When a piece of cryptography is described as having "256-bit security", what exactly does that mean? Just how big is the number 2^256?Jul 8, 2017

Solving Wordle using information theoryA lesson on information theory and Shannon entropy, told through an exploration of writing a Wordle solver.Feb 6, 2022

Oh, wait, actually the best Wordle opener is not “crane”…Following up on the previous video about Wordle and information theoryFeb 13, 2022

Hamming codes and error correctionA discovery-oriented introduction to error correction codes.Sep 4, 2020

Hamming codes part 2, the elegance of it allHow to implement Hamming Codes with xorsSep 4, 2020

Binary, Hanoi and Sierpinski, part 1How couting in binary can solve the famous tower's of hanoi problem.Nov 25, 2016