Bip39 Online. Thanks to the cryptographic style of BIP-39, a weak passphrase will not lessen the security of the other wallets or help expose the seed words. No, there is absolutely no complex limit to the duration within your passphrase. Having said that, for your sake of memorability and practicality, https://nowbookmarks.com/story18792209/bip39-passphrase-https-linktr-ee-bip39-the-basic-principles-of-bip39-mnemonic