Sort:  

I didn't use Dtube, what do you mean I powering them up? I can't understand. can you explain more?

You have sign up for dtube.
Like any Guilds, esteemapp, utopian all of them will takes your keys.
Then use your key to up other.
You didn’t know?
There are over 10 K keys missing now.
They are abusing all keys.
Take Care!

oh...I really don't know, as I sign up dtube long time ago, but I didn't post anything there. What should I do now?

Here , Hope this help.
I haven't use it before. ( Please use Active key not your master )

https://v2.steemconnect.com/revoke/@dtube.app
https://v2.steemconnect.com/revoke/@dlive.app