Bip39. Though there are BIP39 wordlists in languages besides English, it can be strongly not proposed to implement non-English words for wallet backups. It'd make restoring the wallet complicated or difficult. And not using a passphrase, your money are only as protected as your seed phrase. By incorporating a passphrase, https://bookmarkspedia.com/story4197110/ian-coleman-bip39-https-linktr-ee-bip39-top-guidelines-of-bip39-mnemonic