Bip39 wiki https://www.4shared.com/s/fAf7kF4dLku A BIP39 seed phrase created with acceptable randomness can't be guessed via brute drive, mainly because there are simply too many permutations. This additional complexity enhances the risk of misplacing the passphrase, and thus getting rid of your copyright. BC Vault - A components wallet that supports https://andersonehmh757.timeforchangecounselling.com/getting-your-first-bip39-passphrase-idea