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We might never find out. But it’s possible they were trying to prevent future theft by altering to the issue. By showing the weakness for the world to see.

Yeah, it could be. I didnt saw news like this, they are really good at this, so brave that can challenge the system.

May be there are a lot of reasons. But which is the exact reason that is hard to find out.

We will know soon i think, they will confess anonymously if they are good person i mean if they just wanted to challenge the security of it.