I'm aware of all that, and I'm not impressed by the numerous hashing steps. I'm impressed by Facebook's commitment to migrating and future-proofing their securi

I'm aware of all that, and I'm not impressed by the numerous hashing steps. I'm impressed by Facebook's commitment to migrating and future-proofing their security practices as they become obsolete. Specifically, this means "wrapping" insecure hashes in more secure hashes and the addition of an encryption key stored in an HSM on a separate server.