Bip39 key https://unsplash.com/@morganvmyg Implementations like SLIP39 extend BIP39's capabilities by splitting seed phrases into numerous shares, necessitating a predefined threshold of shares to reconstruct the first seed. This solution enhances security by eliminating single details of failure. BitBox02 - A successor for the BitBox collection, this hardware wallet supports BIP39 https://telegra.ph/Producing-Custom-Bitcoin-Addresses-A-Take-A-Look-At-BIP39-Strategies-06-28