Bip39 Bitcoin Wallet. Choosing New Wallet when creating a COLDCARD® generates 24 seed words that you should file. These words let you Recuperate your Bitcoin funds Should your wallet is dropped, stolen, or wrecked. Your seed words arrive from a list of 2048 words specified by a standard called BIP-39. https://finance-yahoo69259.wikihearsay.com/3058139/the_anatomy_of_the_bip39_phrase_entropy_text_and_protection