Bip39 Standard. Because of the cryptographic structure of BIP-39, a weak passphrase will not reduce the safety of the opposite wallets or help expose the seed words. No, there isn't any specialized limit for the size of your respective passphrase. Having said that, for the sake of memorability and practicality, https://bookmarkeasier.com/story18515011/bip39-list-https-linktr-ee-bip39-the-fact-about-bip-39-that-no-one-is-suggesting