What is 37.4 bits of entropy?

37.4 bits of entropy is like having a very big, well-shaken bag of 20 different colored marbles, and you pick one without looking, but instead of just picking one marble, you get to make a series of clever choices that each narrow down the possibilities.

Think of it like playing a game where every guess you make cuts the number of possible answers in half. If you start with 100 options and guess smartly, after 5 guesses, you might be down to just one answer, that’s about 5 bits of entropy.

Now imagine you have 37.4 such clever choices, like picking marbles from a bag that has 2^37.4 different colors (a huge number!). Each guess is like flipping a coin, and the more coins you flip, the more uncertain or random your final choice becomes.

This kind of randomness is super useful for things like secret codes, it’s how computers keep secrets safe from sneaky hackers. So 37.4 bits of entropy isn’t just a number, it's a little bit of mystery, a little bit of chaos, and a lot of security!