Bip39 implementation https://www.plurk.com/p/3hf2syltjx As you could see, they are normal words which are easy to store or remember. It's not encouraged to remember them, but it's appreciably simpler than remembering a 64-character-prolonged string of random figures and letters. BIP32 and BIP44 do the job with each other to add flexibility, https://thesocialroi.com/story10333237/bip39-solver-gpu-5-simple-statements-about-bip39-converter-explained-https-t-me-bip39-chat