Validating if password is encoded or encrypted

[Karen Sy <karensy.co () gmail com>]

Hi Everyone,  I'm currently reviewing an app prior to launching to our
prod. One of our security requirements is for the password to be
encrypted.
When i checked the password field in db, i noticed that all passwords
are ending with a double equal sign e.g "==".
I am under the impression that they are just base64 encoded rather
than encrypted. However, i tried decoding it using base64 but i'm not
getting a valid data.

Am i right in saying that the password is encoded? If yes with what e.g. base64?
How can i prove or show them that this the password is just encoded
rather than encrypted?
Or is it encrypted?

Thank you all.

Karen

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