Bip39 wallet app https://www.storeboard.com/blogs/ai-for-small-business/browsing-the-globe-of-bitcoin-addresses-the-value-of-bip39/6240727 3a43fced052690635cc9fdce418514528b000dff3eaa5b986ea7be809062e775f2fe99c76733ff200b56fb70cac7c6ac7818b1e8139192a70fe274f5bf57fa46 How much protection does a passphrase incorporate? A BIP39 passphrase appreciably enhances your Bitcoin wallet’s safety... https://social-lyft.com/story10113453/bip39-copyright-5-tips-about-bip39-checksum-you-can-use-today-https-linktr-ee-bip39