Bip39 Passphrase Generator. Is there an English equivalent of Arabic "gowatra" - accomplishing a job with none of the mandatory schooling? No, there isn't a technical limit into the length of your passphrase. However, for that sake of memorability and practicality, it’s usually recommended to keep the passphrase fairly small, https://socialaffluent.com/story4299051/bip39-https-linktr-ee-bip39-top-guidelines-of-bip39-passphrase