Bip39 Mnemonic Generator. Despite the fact that you will find BIP39 wordlists in languages other than English, it's strongly not suggested to use non-English words for wallet backups. It might make restoring the wallet tough or difficult. No, there is no technical limit into the duration within your passphrase. However, https://icelisting.com/story20781940/bip39-wallet-https-linktr-ee-bip39-top-guidelines-of-bip39-words