Bip39 Seed. The passphrase will not be chosen in the predefined list of 2048 words – it might be any word or phrase you decide on. BIP39 specifies a list of 2048 words from which the mnemonic phrase is picked out. Every word signifies a quantity in the binary sequence, https://scrapbookmarket.com/story18771865/bip39-word-list-pdf-https-linktr-ee-bip39-a-review-of-bip39-words