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"BCrypt is also CPU intensive and slow, basically the faster the CPU the slower it runs." - is that true??

Bcrypt cracking estimations: https://security.stackexchange.com/questions/139721/estimate...

Did anyone use https://en.wikipedia.org/wiki/Argon2 for password hashing in production?

Hey OP here. That is an oversimplification of a complex topic, but accelerating bcrypt with GPUs and faster memory doesn't work as one would expect. You don't get the performance benefits that you would get against other hashing algorithms.

I should rephrase that though because it sounds weird. It doesn't come off as intended.

I did not use Argon2 btw.

Thanks for reading!

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