Bip39. The wallet handles the heavy lifting of changing the mnemonic words through a means of complex hashing, salting, and checksum functions into a binary "seed," that's then accustomed to produce the all-important non-public and public encryption keys. Understand that employing a passphrase also has some tradeoffs, so make sure https://studio-directory.com/listings13051542/bip39-passphrase-https-linktr-ee-bip39-an-unbiased-view-of-bip39-passphrase