[tobyjsullivan]

Well that was embarrassing. Thanks for the corrections!

There's a Wikipedia line that could use your input (unless I'm missing why this would still be accurate).

> Key stretching functions, such as PBKDF2, Bcrypt or Scrypt, typically use repeated invocations of a cryptographic hash to increase the time required to perform brute force attacks on stored password digests.

https://en.wikipedia.org/wiki/Cryptographic_hash_function#Pa...

[snakeanus]

> > Key stretching functions, such as PBKDF2, Bcrypt or Scrypt, typically use repeated invocations of a cryptographic hash to increase the time required to perform brute force attacks on stored password digests.

This is not false, it is indeed one of the techniques that they use.