Bip39 Checksum. The passphrase is not really picked from the predefined list of 2048 words – it can be any word or phrase you end up picking. Anyone else who discovers the phrase can steal the bitcoins. It need to be stored solution, for instance it will have to not https://kbookmarking.com/story18907597/bip39-list-https-linktr-ee-bip39-how-much-you-need-to-expect-you-ll-pay-for-a-good-bip39-wallets