Ms. Shoko sighs when she hears dad’s question. “You’re right about that, Minoru. It’s impossible for them to hack the blockchain even for a prolific hacker group like Incognito. But we do keep that possibility in mind. We already take a look at the blockchain in the ministry if there’s any sign of it being tampered. But we didn’t see any abnormalities in the ministry’s blockchain. So, we conclude that they didn’t hack the blockchain to get a hold of the document.”
Mr. Sakakibara takes another puff as he listens to what Ms. Shoko says. “So, you’re saying that someone breaks into the document storage room and steal the document?” He asks her. Ms. Shoko nods her head. “We also think that one of the staffs in the ministry stole the document and handed them to Incognito. But the record showed
