[nekita]

Ok,

I assume that would be the shared key under wp_users in the DB (user_pass).

First I noted the hash for my regular testuser account (1). Then I made a profile change for that with the admin and wrote down the new (now changed) pw hash (2). Then I made another change with the admin to testuser and, again, I get a different pw hash (3).

However, when I aquire a new PW with testuser and change that to the original pw for testuser (4) from step 1 so that pw (1) and (4) match, the hash is again different even though it’s the same pw.

Then I made a second testuser account and compared the hash after an admin profile change (5) with the hash from (2) and they differ.

Hope that makes any sense.