“…which uses cryptography…”…
The author of this article is a complete idiot. ALL passwords are inherently a form of cryptography.
"Hashing, is a cryptographic process that transforms data into a fixed-size string of characters, called a hash, which cannot be reversed to obtain the original data."
I actually wrote a hashing algorithm for SSNs for one of my employers before SQL Server did it for you.
“ALL passwords are inherently a form of cryptography.”
Nope. Anyone can enter passwords. No encryption.