Bip39. You'll then do a fundamental Restoration by using a command such as the 1 down below. (This command works by using a sample wallet file bunlded with BTCRecover) explain to your wallet how to find your cash guiding it through the tree and are described in Bitcoin Advancement Proposals https://bookmarkfly.com/story18795168/bip-39-https-linktr-ee-bip39-how-much-you-need-to-expect-you-ll-pay-for-a-good-bip39-generator