Bip39 condensed pdf https://www.storeboard.com/blogs/ai-for-small-business/browsing-the-globe-of-bitcoin-addresses-the-value-of-bip39/6240727 You then plan to permit BIP-39 passphrase support inside your hardware wallet and stamp the passphrase(s) on the hexagonal stainless-steel rod and retail outlet the rod in a very independent geographical site for your 24-word seed backup as a wa... https://zenwriting.net/keenanctdp/how-to-create-a-bip39-seed-a-step-by-step-guide