Bip39-Standalone. The wallet handles the heavy lifting of changing the mnemonic words through a strategy of complex hashing, salting, and checksum operations right into a binary "seed," that's then used to deliver the all-essential non-public and public encryption keys. This detailed guide summarizes the usefulness and likely threats of passphrases, https://directory4web.com/listings13106689/bip39-standard-https-linktr-ee-bip39-what-does-bip39-mnemonic-code-converter-tool-mean