Bip39 seed words https://blogfreely.net/travenmdoq/create-your-own-distinct-bip39-mnemonic-expression-with-python-scripts BIP85: A more moderen proposal enabling the deterministic derivation of a number of BIP39 mnemonic seeds from a master seed. This extra complexity raises the chance of misplacing the passphrase, and therefore dropping your copyright. but it isn't really a passphras... https://getsocialpr.com/story21671630/bip39-bitcoin-wallet-an-unbiased-view-of-bip39-2048-words-https-x-com-tundra838554