Excellent dive: methodically clear, converging into lovely "ok, I got it" diagram, then applied use case examples. Two year old typo: In another bit of intrig

Excellent dive: methodically clear, converging into lovely "ok, I got it" diagram, then applied use case examples. Two year old typo: In another bit of intriguing similarity, Common Crypto makes the same trio of corecryto calls as arc4random(3):