Bip39 docs https://www.anime-planet.com/users/zoriuswxxq Implementations like SLIP39 extend BIP39's capabilities by splitting seed phrases into several shares, demanding a predefined threshold of shares to reconstruct the first seed. This method improves protection by reducing one points of failure. This works since BIP39 is supported by a great number of wallet companies. https://top100bookmark.com/story20844859/bip38-vs-bip39-new-step-by-step-map-for-bip39-github-https-dzen-ru-bip39-phrase-com