Bip39. Then within a theft or threatening scenario, you may give your attackers the recovery seed phrase (with no passphrase) and they may Get well the wallet without having being aware of you've another wallet employing a passphrase The entropy we produce has to be a many of 32 bits, https://weballdirectorys.com/listings546674/bip39-seed-https-linktr-ee-bip39-not-known-facts-about-bip39-mnemonic-generator