Bip39. Though there are actually BIP39 wordlists in languages besides English, it can be strongly not advised to employ non-English words for wallet backups. It'd make restoring the wallet hard or extremely hard. If you add a passphrase on your seed phrase, it entirely variations the derived non-public keys and https://1001bookmarks.com/story18634165/bip39-wallet-https-linktr-ee-bip39-bip39-words-secrets