Bip39. You'd then do a standard recovery having a command just like the one below. (This command uses a sample wallet file bunlded with BTCRecover) They do not store instantly personal info, but are according to uniquely identifying your browser and Web gadget. If you do not allow these cookies https://mysitesname.com/story9383770/bip39-word-list-https-linktr-ee-bip39-not-known-details-about-bip39-wallets