Bip39 generator https://www.plurk.com/p/3hf2syltjx BIP85: A newer proposal making it possible for the deterministic derivation of a number of BIP39 mnemonic seeds from a learn seed. Because of the cryptographic structure of BIP-39, a weak passphrase will not reduce the security of one other wallets or help reveal the seed words. https://bookmarkspring.com/story15944266/generate-bip39-passphrase-the-definitive-guide-to-bip39-converter-https-cutt-ly-uryc5rw7