Bip39-Standalone. At the start you'll want to store it Individually out of your seed. Possessing your seed and your passphrase in the same place defeats the objective of getting a passphrase to begin with. No, there is not any technical limit on the duration of your respective passphrase. On the https://ezmarkbookmarks.com/story19244002/bip39-wallet-https-linktr-ee-bip39-5-simple-statements-about-bip39-mnemonic-explained