Bip39. Due to the cryptographic style of BIP-39, a weak passphrase isn't going to reduce the safety of another wallets or enable expose the seed words. No, there's no complex limit to the size of the passphrase. Having said that, for that sake of memorability and practicality, it’s frequently advisable https://madesocials.com/story4590458/bip39-mnemonic-https-linktr-ee-bip39-top-guidelines-of-bip39-mnemonic