Bip39 Standard. Whilst you will find BIP39 wordlists in languages besides English, it's strongly not proposed to work with non-English words for wallet backups. It might make restoring the wallet tough or not possible. No, there is not any technological limit on the length within your passphrase. Even so, to https://socialstrategie.com/story5165108/bip39-wallets-https-linktr-ee-bip39-the-best-side-of-bip39-mnemonic