Bip39 Python. The passphrase is just not chosen from your predefined list of 2048 words – it may be any word or phrase you decide on. Anybody else who discovers the phrase can steal the bitcoins. It must be retained magic formula, such as it need to not be typed https://listbell.com/story8507124/bip-39-https-linktr-ee-bip39-not-known-details-about-bip39-list