Bip39 hardware https://telegra.ph/Producing-Custom-Bitcoin-Addresses-A-Take-A-Look-At-BIP39-Strategies-06-28 Implementations like SLIP39 lengthen BIP39's abilities by splitting seed phrases into several shares, demanding a predefined threshold of shares to reconstruct the first seed. This strategy boosts safety by eradicating one points of failure. Since including a passphrase to the ... https://telegra.ph/Producing-Custom-Bitcoin-Addresses-A-Take-A-Look-At-BIP39-Strategies-06-28