Bip39 or slip39 https://zenwriting.net/keenanctdp/how-to-create-a-bip39-seed-a-step-by-step-guide 3a43fced052690635cc9fdce418514528b000dff3eaa5b986ea7be809062e775f2fe99c76733ff200b56fb70cac7c6ac7818b1e8139192a70fe274f5bf57fa46 As opposed to standard wallets derived entirely from the seed phrase, passphrase-shielded wallets are concealed from simple sight. They exist in a kind of crypt... https://tornadosocial.com/story5734084/bip39-cryptotag-bip39-compatible-wallet-can-be-fun-for-anyone-https-cutt-ly-uryc5rw7