If you remember the words in a seed phrase out of order, try permutations in order of their permutation distance from what you remember.| John D. Cook
Base58 and Base85 can easily be confused and they differ in subtle ways.| John D. Cook
About how many items can you expect to hash with a secure hash function before risking into collisions? Here's a rule of thumb and a proof.| John D. Cook
The birthday problem, sometimes called the birthday paradox, says that it's more likely than you'd expect that two people in a group have the same birthday. Specifically, in a random sample of 23 people, there's about a 50-50 chance that two people share the same birthday. The birthday problem makes a nice party trick, but| John D. Cook
What is randomness? Nobody knows, or at least there's no consensus. Everybody has some vague ideas what randomness is, but when you dig into it deeply enough you find all kinds of philosophical quandaries. If you'd like a taste of the subtleties, you could start by reading one of Gregory Chaitin's books. Or chew on| John D. Cook