Bip39 mnemonic https://zenwriting.net/keenanctdp/how-to-create-a-bip39-seed-a-step-by-step-guide As you could see, these are regular words which are easy to store or remember. It isn't advised to keep in mind them, but it is appreciably less complicated than remembering a 64-character-long string of random quantities and letters. The BIP39 word list can be a list https://mypresspage.com/story5588788/bip39-bitcoin-bip39-compatible-wallet-an-overview-https-dzen-ru-bip39-phrase-com