Bip39. The password is usually composed down along with the mnemonic phrase, but it would be more effective to recollect it, making sure that a really two-issue Restoration process may be reached: for unblocking Bitcoins, you may need “what you've got” as well as “what you know”. Indeed, BIP39 passphrases https://mysocialfeeder.com/story4255684/bip39-https-linktr-ee-bip39-a-review-of-bip39-words