Paper wallet bip39 https://www.divephotoguide.com/user/arwyneglmp/ A BIP39 seed phrase created with acceptable randomness can't be guessed by means of brute power, due to the fact you will find simply too several permutations. Because of the cryptographic layout of BIP-39, a weak passphrase would not lessen the protection of the opposite wallets https://jsbin.com/titaniseko