Most importantly, never share your passwords with anyone or anything, dtube, dlive, dmania, chainbb, streemian and others included.
They claim parts of your rewards for themselves using your active key and at times use your posting key, they vote on their posts using your accounts.
Read this: https://steemit.com/dtube/@thegrinder/how-do-i-remove-permissions-from-dtube-and-dmania
In the comment section of the link I provided there is a way to release yourselves from their grips on your accounts.