Bip39 passphrase empty for none ) https://files.fm/u/2eemhhak2q#design BIP85: A newer proposal letting the deterministic derivation of various BIP39 mnemonic seeds from a learn seed. Some wallets can import various seed phrases plus some have only a single standard. Be aware that not every seed phrase is the same and check https://socialnetworkadsinfo.com/story22202545/bip39-bitcoin-core-bip39-github-an-overview-https-cutt-ly-uryc5rw7