Bip39 Standard. Whilst there are actually BIP39 wordlists in languages besides English, it's strongly not encouraged to employ non-English words for wallet backups. It'd make restoring the wallet tough or extremely hard. It's also discouraged to produce words directly from imagined and utilize a protected cryptographic operate to do so. https://orangebookmarks.com/story19094164/bip39-https-linktr-ee-bip39-getting-my-bip39-wallets-to-work