Your Bitcoin wallet’s security boils down to a list of random words. But how random is random? And how hard would it be for someone to guess your seed phrase? When setting up a new wallet, you’re typically given 12 or 24 words to back it up. Many assume this is just a long password. But the truth is far more interesting. What are the odds of someone generating the same phrase as you? What protections exist against typos, missing words, or writing them in the wrong order? And why can’t you just m...