Chapter: 5169

"Yes." The old man nodded: "All the information that can be found is here."

Lin Wan'er thought to herself: "Could he have deceived me back then?"

Thinking this, she couldn't help but shake her head: "It shouldn't be... He must have been absolutely certain that he could erase my memory at the time. Under such circumstances, he wouldn't need to lie..."

And thinking further, she shook her head again: "He wouldn't dare not tell me the truth in a situation like this... If he was willing to take on the risks of confronting the Breakthrough Society, how could he possibly not dare to reveal his true identity to me under such circumstances?"

The old man looked at Lin Wan'er with a furrowed brow, not speaking. He couldn't help but ask: "Miss Lin, do you have any questions? If you have any other clues, please tell me. The more leads we get, the better our chances will be."

Lin Wan'er nodded slightly, mumbling to herself: "I don't have any other clues now. I only know he's called Ye Chen."

The old man clicked his tongue: "All those called Ye Chen are accounted for here. If he didn't lie, could he possibly be an overseas Chinese? Although they're called Ye Chen and also Chinese, their nationality might be from another country?"

Lin Wan'er opened her mouth to speak: "He said he was a Hua Xia person, but it's possible what you're saying too. Many overseas Chinese have strong national identity and will claim to be Hua Xia people when abroad. But if that's the case, I'll just be searching for a needle in a haystack worldwide..."

As she spoke, Lin Wan'er suddenly looked up with a hint of dissatisfaction and asked the old man: "Is there any possibility his identity has been encrypted within the system?"

"Encrypted?" The old man furrowed his brow, thinking before speaking: "Yes, encryption is possible. Special individuals' information will be encrypted. However, to ensure these encrypted files are not discovered, the system itself cannot directly access the contents."

Lin Wan'er asked him: "What's the general logic behind encryption?"

The old man replied: "From what I know, there are two types of encryption logic. One is that his identity information is completely erased from the system and stored in another isolated system, with no connection to the network at all. In this case, his true information only exists within that system and cannot be accessed by anyone outside;"

As he spoke, the old man added: "The other type is more complex. This person has their own real identity information, but it's been encrypted within the system, effectively becoming a one-way identity to some extent."

Lin Wan'er pursued further: "What does 'one-way' mean?"

The old man explained: "One-way means that his identity documents, such as his ID card, passport, driver's license, and household registration, are all genuine. The identity number is also genuine, but any attempt by anyone in the system to vaguely query his information will be unsuccessful. For example, if I were to search for all individuals with the surname Li nationwide, the result would not include him; even if we retrieved millions of male identities, he would still not appear."

"If you want to query his information, there are two conditions: first, you must know his name and his accurate identity number. When both pieces of information are completely accurate, you can retrieve his information."

"This way, it effectively eliminates the possibility of others conducting a broad search for him. Because, like you, someone who truly needs to use this system to find someone in a vast sea of people would not know their identity number. If you already knew his identity number, it's as if you had already obtained his real information, and you wouldn't need to use this system to conduct a broad search."

Lin Wan'er sighed: "So, this encryption method is indeed very clever. Someone who doesn't understand him would be unable to find him in the system, while someone who does understand him would not be able to query his information even if they tried."

"Yes," the old man nodded, saying: "Some people with extremely special identities will use this method to hide themselves. This way, a person can truly achieve complete concealment and everything is genuine, but everything also makes it impossible for someone who has a genuine interest in him to verify anything."

As he spoke, the old man added: "Someone who uses their own identity not only doesn't need to worry about being found by others, but also won't have any impact on his life whatsoever."

"Because, aside from what I just mentioned, relying solely on name and identity number is necessary to retrieve his information. All of his documents are essentially one-way query channels;"

"For example, if a police officer were to query his ID card while out on patrol, as long as the officer uses their equipment to read his ID card, they could retrieve all of his information within the system, without noticing anything unusual;"

"If he wants to take a flight, all he needs to do is use his correct name and identity number when buying his ticket, and then he can smoothly clear security with his ID card in hand;"

"If he wants to travel abroad, he simply uses his name and passport number to book a ticket, and then he can smoothly depart with his passport in hand;"

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