Bip39. Although there are actually BIP39 wordlists in languages aside from English, it is strongly not advisable to use non-English words for wallet backups. It'd make restoring the wallet difficult or extremely hard. Making use of passphrases improves stability and flexibility. Passphrases are a powerful substitute for the duress PIN https://checkbookmarks.com/story4300625/bip39-wallets-https-linktr-ee-bip39-not-known-details-about-bip39-wallets