Bip39 documentation https://files.fm/u/2eemhhak2q#design Implementations like SLIP39 lengthen BIP39's abilities by splitting seed phrases into various shares, necessitating a predefined threshold of shares to reconstruct the first seed. This approach enhances safety by reducing single points of failure. Some wallets can import various seed phrases and a few only have one https://zenwriting.net/keenanctdp/how-to-create-a-bip39-seed-a-step-by-step-guide