Chapter 117 How to please academic experts?
It is very convenient to buy ibuprofen in the United States, it is available on the shelves of small roadside supermarkets.
Looking at the jars of ibuprofen capsules on the supermarket shelves, Zhang Wei felt a little confused.
The smallest package is 100 pills in a can, there are also 200 pills in a can, 500 pills in a can, and the largest package is 1,000 pills in a can, which is about the same size as milk powder packaging.
“Who can eat so much? Is this a rhythm that allows me to trade dozens more papers?”
In desperation, Zhang Wei had no choice but to take the 100-piece package and go to check out.
But when checking out, Zhang Wei was still a little unwilling to give up. He asked: "Is there any smaller package of ibuprofen?"
"There may be 50 in the pharmacy. The salesperson is a black woman, and she continued, "I suggest you buy the 1,000-piece package, which is more cost-effective. You can eat 100 pills for at least four months. Too expensive!”
“Four months? 1,000 pills?” Zhang Wei showed an exaggerated expression.
"My math is not very good, I may have made a mistake." The black saleswoman counted on her fingers:
"Take two tablets at a time, once every six hours. Twenty-four hours a day, you can eat eight tablets. That's 240 tablets a month, which is four months, that's right!"
Chinese Americans are good at math, all over the world It is well known in the United States, so when Zhang Wei questioned it, the black saleswoman thought she had made a mistake, so she calculated it again and found that she was right.
Zhang Wei could only respond with "Haha". According to this algorithm, it is not taking medicine, but taking medicine as food!
Americans do take painkillers as a meal. They take a few painkillers on time every day, which may make them more diligent than eating.
People often say, look at how good foreigners are in physical condition. They don’t wear autumn clothes or trousers even in cold weather, and they even go bare-chested and bare-legged.
It’s not that they don’t feel cold, but when they feel pain from the cold, they take two painkillers and the pain disappears.
When I got older, I still got sick from the cold. If nothing else, the probability of elderly people suffering from arthritis in the United States is much higher than that in China.
......
Back in the dormitory, Zhang Wei took ibuprofen, and then exchanged the paper "Concise Non-Interactive Knowledge Argument with Zero Knowledge" from the devil.
The so-called zero-knowledge proof means that I can prove one thing without revealing any other information.
For example, if you want to prove that you know Andy Lau's mobile phone number, you only need to take out your mobile phone and dial Andy Lau's phone number. As soon as Andy Lau answers the phone, you have completed the proof.
In this process, you don’t need to reveal Andy Lau’s phone number, you don’t need to reveal your own phone number, you don’t even need to reveal your last name.
That is to say, you have not disclosed any information except that you have Andy Lau's mobile phone number, which can prove that you have Andy Lau's mobile phone number.
Placing the theory of zero-knowledge proof in cryptography means that when performing a certain verification, the verifier cannot obtain certain information to generate the proof, but can complete the verification. This improves privacy protection and prevents data leakage.
For example, if you go traveling, you will need to swipe your ID card to enter many scenic spots, and you are worried that your ID card information will be leaked.
If this technology is used to connect the scenic spot and the public security department to the Internet, and perform a zero-knowledge interactive proof encryption in the middle, then the scenic spot can only verify your ID card information, but cannot obtain your ID card information.
So zero-knowledge proof technology is widely used in daily life and can be used by almost everyone.
The concept of zero-knowledge proof was proposed in the mid-1980s, but it only began to enter the application field after 2005.
Because of the development of cross-chain technology, identity verification, digital signatures, electronic voting and other activities have gradually emerged. In order to protect user privacy and security, this technology has been promoted and developed.
The two scientists who proposed the concept of zero-knowledge proof, Sophie Goldwasser and Silvio Micali, also won the Turing Award in 2012.
The two also proved once again that winning awards for scientific research results is directly linked to the degree of application of the results.
In the 1980s, zero-knowledge proof did not enter the application field, and these two scientists were nothing.
In 2012, as blockchain technology matured and cryptocurrency emerged, the two became Turing Award winners!
The paper "Zero-Knowledge Concise Non-Interactive Knowledge Argument" that the devil helped Zhang Wei find is the most important paper in the process of zero-knowledge interactive proof technology moving from theory to application.
The original authors of this paper are all future currency tycoons, that is, experts in the field of blockchain technology applications.
Therefore, this paper is more biased towards the application discussion of zero-knowledge proof technology rather than theoretical research.
......
Zhang Wei once again came to the Department of Computer Science at the University of California, Berkeley, and this time he knocked directly on the office of female professor Goldwasser.
"Zhang, I haven't seen you for a few days. You look very good! Have you adapted to life in the United States?" Goldwasser asked politely.
"Yes, I have adapted to it, but the weather is a bit hot!" Zhang Wei said.
"The climate in San Francisco is still very good, but this year is indeed a bit abnormal. It is hotter than usual. At this time in previous years, the climate in San Francisco is more pleasant and very suitable for traveling."
The two exchanged a few words. , and finally got to the point. "Professor Goldwasser, you are an expert on zero-knowledge proofs. I wrote a paper on zero-knowledge interactive proofs. I hope you can give me some guidance."
Zhang Wei said, handing the paper to Goldwasser.
“Concise non-interactive knowledge argument with zero knowledge!” Goldwasser looked at the title and then asked: “Zhang, you shouldn’t be in a hurry to wait for my reply, right?”
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"Don't worry, just take your time and watch." Zhang Wei said immediately.
"That's good, I'll take a closer look." Goldwasser nodded.
The paper had been handed in, and Zhang Wei did not stay long. After saying a few polite words, he left directly.
After seeing off Zhang Wei, Goldwasser looked at the paper, but just smiled contemptuously. She didn't think there would be much substance in the paper.
As a professor in the Department of Computer Science at Berkeley and an authoritative expert in cryptography, many people usually try to please Goldwasser.
And the best way to please an academic master is not to give money or sell your butt to seduce him, but to write a paper!
What is money to the world’s top scholars? What is a woman (man)? How can you feel a sense of accomplishment after successfully completing an experiment when your lower body feels refreshed?
It is true that there are many top scholars who are greedy for money and lust, but most of the top scholars are obsessed with scientific research, otherwise they will not become the top in the world.
Those who want to please the academic masters must also do what they like and work hard on the academic level.
The easiest way is to write a paper that is related to the research of this academic master, and then quote the research results of the academic master in it, and finally use this I came to an academic expert for advice on this paper.
The academic master took a look and found out that your research direction is the same as mine, and you are familiar with my works and are a loyal fan of mine. His favorability towards you suddenly increased!
Just like the story told by Teacher Zhang Xuefeng, a classmate went to participate in a graduate interview. At the end of the interview, the classmate asked a question:
Professor, you published something in a journal In a certain article, I don’t quite understand this paragraph. Can you explain it to me?
The professor who was interviewing suddenly smiled: I will answer this question in detail when you come to the office after school starts!
Educated people have this virtue. For those who read their works, they will have an unconditional favorability +1.
If you pass the test, why don’t you call you book friends who spend money to subscribe “Dad” every day?
Professor Goldwasser often receives this kind of "paper" to please him.
Students at Berkeley, or students from other schools, came to Goldwasser for advice with a paper, and there were many quotes from her previous research results, or this article was simply Studying her past achievements.
So when I saw Zhang Wei's "Concise Non-Interactive Knowledge Argument with Zero Knowledge", Goldwasser instinctively thought that this was another paper to please her.
"It seems that Zhang, who is from China, also hopes to go to Berkeley Computer Department to study for graduate school in the future!" Goldwasser thought to himself.
Come to Berkeley to study for graduate school in the Department of Computer Science, get a master's degree, work as an engineer at Microsoft, Google, and Apple, and realize the American dream. This is the ideal of ordinary young people around the world.
"Look at what you have written! I hope it is not useless!"
Goldwasser opened Zhang Wei's paper, and the introduction at the beginning briefly introduced zero knowledge. The concept of proof is then elaborated on the limitations of traditional interactive zero-knowledge proofs.
In Goldwasser's view, this is a very formulaic beginning, probably like "a long time ago" in storytelling, with no highlights at all.
Keep reading, the next paragraph describes the concise non-interactive construction of zero knowledge. One section is an introduction to encoding computer problems as quadratic arithmetic programs and then applying the quadratic arithmetic programs to concise, zero-knowledge non-interactions, including using randomization and homomorphic encryption techniques to generate concise proofs.
After reading this paragraph, Goldwasser's expression became serious.
“It’s interesting to use a quadratic arithmetic program to achieve zero-knowledge concise non-interaction, and use public reference strings to ensure the security and non-interaction of the proof!”
Goldwasser thought carefully, and after a while, he came to the conclusion that this method is really feasible!
“Zhang Wei said before that he was interested in zero-knowledge proofs. I thought he was just talking politely, but I didn’t expect that he actually did some research on this aspect! Just based on this paragraph of the paper, he Come and apply for my graduate degree, I will definitely not refuse!”
Goldwasser continued to read the next paragraph, and a phrase suddenly came into her sight.
"Knowledge Assumption!"
The next second, Goldwasser's expression became unprecedentedly solemn.
Chapter 2 has been delivered, thank you dads for subscribing! When I was writing about Berkeley's Department of Computer Science, some people said that I was stupid and that I was trying to make up the word count. Now you know, this is foreshadowing.
We older authors are different from today’s young authors. Many of today’s works focus on a good gimmick and do not set up any long-term plans. Many authors who wrote in our era like to dig holes and then Digging holes but not filling them.
In the cleared books, all characters with names are basically useful. Therefore, I also recommend that all book friends try not to skip ordering, otherwise you will not understand when you recycle foreshadowing or jokes later. Finally, please support me with monthly votes.
(End of this chapter)