Bip39 Seed Phrase. While you will discover BIP39 wordlists in languages in addition to English, it is actually strongly not proposed to use non-English words for wallet backups. It might make restoring the wallet difficult or extremely hard. No, there isn't any specialized Restrict for the length of the passphrase. https://bookmarkshome.com/story4822635/bip39-passphrase-https-linktr-ee-bip39-not-known-details-about-bip39-wallets