Bip39 Standard. You'll then do a simple recovery which has a command such as a person below. (This command employs a sample wallet file bunlded with BTCRecover) No, there is no specialized limit to the length of one's passphrase. On the other hand, with the sake of memorability and practicality, https://bookmarkgenius.com/story18697643/bip39-https-linktr-ee-bip39-about-ian-coleman-bip39