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A. What exactly is blockchain and what are its uses

Recently, the word "blockchain" appears very frequently on the Internet. It can be seen that recently Everyone is very interested in the word "blockchain", so what is "blockchain", how to explain "blockchain", and what kind of chain is "blockchain"?

If we want to know what “blockchain” is, we must first start with Satoshi Nakamoto.

In November 2008, Satoshi Nakamoto posted a research report on a secret cryptography review group, describing his new idea for electronic currency-Satoshi Nakamoto proposed : "I believe there is a currency that doesn't rely on credit, and I can't stop myself from thinking about it." Bitcoin was born.

Although we still don’t know who Satoshi Nakamoto is, we all know the famous Bitcoin and the recently popular word “blockchain”.

In professional terms, blockchain is a new application model of computer technology such as distributed data storage, point-to-point transmission, consensus mechanism, encryption algorithm, etc.

In the original English version of the Bitcoin white paper [2], the word blockchain does not actually appear, but chain of blocks is used. In the earliest Chinese translation of the Bitcoin white paper [3], chain of blocks was translated into blockchain.

What does it mean in human terms? In layman's terms, blockchain is a decentralized distributed ledger database.

Decentralization means removing the original data center.

Here is an example of decentralization: Alibaba’s servers support Alibaba’s daily data operations, including the Double Eleven that just passed. We were able to smoothly carry out flash sales of goods at zero o’clock. Largely thanks to the support of Alibaba servers.

All data generated by Alibaba’s daily activities are recorded on the server. So what will happen if Alibaba’s server encounters an accident? (For example, Alibaba's server was hit by a meteorite, causing the server to be damaged)

After the server is paralyzed, Alibaba's data will naturally be unable to be restored in time, which will result in Alibaba being unable to maintain daily operations in the short term. operations.

However, after adopting blockchain technology, a piece of data generated by Alibaba due to daily business will not only be recorded on Alibaba’s servers, but also on various servers around the world such as the Internet and Google. In this way, even if Alibaba's servers encounter an accident, it will still not affect Alibaba's operation. The data generated by Alibaba's daily activities will still be recorded on various servers around the world. This is the advantage and benefit brought by blockchain technology.

In other words, Ali's data was originally recorded only in Ali's server, and Ali's server was the center. Now every server in the world is synchronously recording the business that Ali has done, and Ali's server is no longer the only center. Okay, this step achieves decentralization. The behavior of servers around the world recording Alibaba data simultaneously is called distributed accounting.

Now that we know what blockchain means, what kind of boundaries can blockchain bring to our lives? What fields may blockchain be used in in the future?

1. Blockchain technology is applied in the medical and health field. For example, Xiao Zhang’s family has a history of hereditary red-green color blindness. Xiao Zhang once went to Hospital A and had his red-green color blindness checked. Now Xiao Zhang is in City B and went to Hospital B for treatment. Now Hospital B can directly treat him in his own hospital. Xiao Zhang’s previous medical treatment status was found in the database, so Hospital B no longer needs to conduct repeated examinations on Xiao Zhang. This greatly saves medical resources for the hospital and saves medical expenses for repeated examinations for Xiao Zhang.

2. Blockchain technology is applied in the field of food safety. Nowadays, everyone is paying attention to food safety, and blockchain technology is applied to the field of food safety to carry out food traceability. First, we can label each vegetable and fruit with its own label, and then record the growth, maturity, pests and diseases of the vegetables and fruits in this label. The data in this tag can be simultaneously recorded in various data centers around the world through blockchain technology.

On the one hand, when people buy vegetables, they can directly check the growth status of the vegetables. On the other hand, when our country imports and exports vegetables, we can directly check the status of the imported and exported products. No more quarantine required.

B. This article will help you understand what super computing power is and why it is worthy of your participation

What is super computing power? (Super Computing Power Chinese Promotional Video)

Super Computing Power is a de-corporatized, service entity-centered blockchain e-commerce economy where everyone can participate for free and share benefits.

The entire community ecology uses a set of "behavioral computing power" profit distribution methods to create an open, fair, just and transparent way for ordinary people to start a business and make money.

The above is a general summary of super computing power. Now I sincerely invite you. I hope that in the next time you can systematically and carefully understand what super computing power is and why it is worthy of you. participate.

First of all, before I formally introduce super computing power, I will give you a risk warning in accordance with the community’s philosophy:

Super computing power is a very special new company. The reason why it is so new does not mean that its founding time is particularly new, but that its concepts and operating methods are particularly new, which are mainly reflected in the following points:

From the beginning of its establishment, Super Computing Power has decided never to conduct any private placements or token swaps. All contribution points (spt) will be awarded to everyone for free only through "behavioral computing power mining". An ecological participant and contributor.

You must know that in the current chain and currency circles, there are no private placements, no institutions to get money, decorporation, and purely community operations. These labels are alien enough, but super computing power is not for Different from different.

Our original intention of creating super computing power is to use blockchain to do something truly valuable. We want to prove that blockchain can be used not only to open exchanges, financial speculation, gambling, and games , and can also be a very good service entity, bringing tangible benefits to every ordinary person around us.

In Super Computing Power, everyone can have in-depth contact with the founders and core members of the community, and can communicate freely online and offline. You can know who you are working with, and you can know this person. You can clearly understand what kind of people they are, what kind of people they are in the super computing community, and whether they are just a bunch of people or people with lofty ideals.

In the super computing community, all important decisions are discussed jointly by community members, and decisions are made based on everyone’s interests, rather than like other centralized companies that just issue a notification document regardless of our interests. damaged.

Because Super Computing is a community operation, Super Computing does not recruit a single employee. Except for the founder, who is a full-time employee, everyone else uses their spare time to help the ecological development. We don’t get a penny of salary, everyone acts voluntarily, relying on value attraction and recognition of the founder, Mr. Tan.

Mr. Tan does super computing not to make money for himself, but to enable more ordinary people like you and me to make money and realize their dreams through a fair, open and transparent platform. Super computing Computing power is his dream and what he wants to do in his life, and he is very confident and unswerving in super computing power.

Super computing power will generate large and small profits during the operation process, and these profits will be paid out by super computing power at least 80% is distributed to all participants and contributors in the community.

In super computing power, these data are completely open and transparent, and anyone can view them at any time.

The profits of super computing power are distributed according to the contribution points SPT, and the contribution points SPT can be obtained for free through your own valuable behavior. 100% of the contribution points SPT are distributed to everyone for free. .

Everyone can participate in 80% of the platform’s profit dividends every night according to the proportion of contribution points they hold.

Why does super computing power make this company so new? This has a lot to do with the original intention, mission, and vision of super computing power.

The original intention of super computing power is to change the unreasonable profit distribution method of centralized companies.

Why do you think the profit distribution method of centralized companies is unreasonable? Think about those centralized companies. What do they rely on to support their high profits and high market value?

Take Taobao and Dotcom, for example. Why do these two companies have such high profits? Is it the founding team behind them? Or the investors behind it?

In the early days, they did play a very important role, but when this business matures, what really supports the company's high profits and high market value depends more on the huge number of people like you and me. The same participants on this platform include consumers, merchants, couriers, and people searching for information.

It is people like us who support this company. If our contribution is so great, have their profits been distributed to us?

No, so super computing power believes that this method of profit distribution is unreasonable, so our mission is to allow every valuable behavior to obtain reasonable returns.

Since the platform is bought by us dollar by dollar, sold by us one product at a time, and delivered by couriers one by one, this kind of behavior should be treated reasonably In return, this is the mission of super computing power.

There are three visions for super computing power:

1. By 2025, we will allow at least 10 million people to hold our contribution points (spt) for free, because the profits of super computing power are distributed based on contribution points.

2. The ultimate goal: through our efforts, one spt will receive one yuan in dividends a year.

3. Let super computing power continue to operate for 150 years. We don’t want to do things that are quick for quick success, but want to be a company that is viable and creates value continuously and stably.

In the past two years of super computing power operations, a relatively mature mechanism has been polished. This mechanism is a benefit distribution mechanism based on "behavioral computing power". The core logic of this mechanism is to use valuable Obtain computing power through your actions, obtain SPT through computing power, and obtain dividends through holding SPT.

Super computing power advocates "behavioral computing power". What is behavioral computing power?

There was no such statement before super computing power. This is a concept proposed by our super computing power and has been patented.

The mission of super computing power is to make every valuable behavior receive reasonable rewards.

① What is valuable behavior? How can I get a reasonable return?

Valuable behavior is our time. Our money, our labor, and our knowledge are all condensed of our time, so they are all valuable.

Therefore, no matter where we spend time, money, labor, or output knowledge, etc., these behaviors are valuable behaviors.

Behaviors that we consider valuable in super computing power include: likes, posts, comments, daily consumption (recharge, takeout, taxis, shopping, buying tickets, watching ads) or promoting our computing Limao (pos machine, payment code) and other businesses as well as partners who serve our super computing power community.

Therefore, these valuable behaviors should receive corresponding rewards. These rewards, large and small, will be distributed to us in the form of computing power through a set of reasonable mechanisms in super computing power. This is the so-called behavioral computing power.

② With computing power we canWhat to gain?

You can get points (spt) from the platform. The platform will allocate points at 20:00 every night based on the weight of the effective computing power held by the individual in the total effective computing power held by all members of the community. (spt) to our personal account.

③ What can we do with points (spt)?

You can participate in the platform’s dividends (RMB). The platform will weight 20 per night based on the proportion of effective points (spt) held by the individual in the total effective points (spt) held by all members of the community. :30 is allocated to our platform 80% of the profit for the day.

Of course, if we don’t want to participate in the platform’s dividends, the points (spt) we earn can also be directly liquidated on the Xiaobi Beast Exchange (there is a liquidation process in the community).

After this cycle, you will find that the valuable behaviors of all of us are eventually transformed into wealth and distributed to you. Therefore, what we have built with super computing power is a company that truly makes money for ordinary people. companies, not companies that make money for capital and wealthy people. This is our value.

In this cycle, both the computing power and the points (spt) we hold are obtained for free. To be more precise, we should obtain them through valuable actions.

As mentioned earlier, at least 80% of the community’s daily profits will be distributed to all participants and contributors, so where does the community’s profits come from? How is it divided?

① Where do the community’s business profits come from?

Current businesses include payment codes, POS machines, recharge and payment, ordering takeout, e-commerce shopping, supermarkets and convenience stores, taxis, physical examinations, buying insurance, travel, phone cards, credit cards, borrowing money, Digital maintenance, advertising, etc., and will continue to connect with other businesses.

② How to divide the business profits of the community?

The net profit of the collection code business is 1.5‰: 70% to promoters, 20% of technical operation costs, and 10% of dividends toSPT holders;

POS machine business 0.25‰ net profit: 70% to promoters, 20% technical operating costs, 10% dividends to SPT holders;

1% to 90% of net profit from other consumer business: 80% dividends to SPT holders, 20% technical operating costs.

Super Computing is the only pioneer of the sharing economy that has realized the "consumer = user = employee = boss = partner" model!

So we use our original intention, mission and vision to find people who we think are like-minded to join us.

①What kind of people are like-minded?

People who understand and agree with behavioral calculations, adhere to long-termism, have patience and are not eager for quick results, and have the ability to take action

②How many like-minded people are needed?

Through continuous selection and training through Spark assessment and other methods, Daliang Taosha has 1 million like-minded fellow travelers, namely the small/middle/big team leaders;

③Daily live video Q&A , every Saturday project progress communication meeting, computing power cat iron army service group, alliance group service group, community logistics service group, essence post evaluation group, community promotion alliance, computing power knowledge base, various city reception rooms, etc.

They are all helping new and old partners solve the problems they encounter in super computing power and help them grow rapidly in super computing power.

So far, there are more than 28,000 colleagues in the community, more than 6,000 daily active people, more than 500 captains, more than 210 computing power completions, more than 2,000 alliance groups, and a cumulative transaction volume of more than 1.5 billion, with the highest single-day profit exceeding 10,000 yuan.

Participating in super computing power does not cost money and does not deceive people. It is fair, transparent, compliant and legal. It is currently making continuous profits and dividends, and it is still an early dividend. And the speed of development will be faster and faster in the future.

What super computing power has to do is to gather consensus and use blockchain to serve entities, so that every valuable behavior can obtain computing power, so that computing power can benefit every ordinary person around them, and let them Life is changed because of blockchain and super computing power.

Super computing power is very real and reliable. As long as you have been in contact with it for long enough, you will definitely find that these down-to-earth people do practical things and tell the truth, and there are no empty-headed actions.

People who are deeply involved in super computing power have a positive outlook, are positive, down-to-earth, have ideals and pursuits in their hearts, and are a group of very positive and reliable dream chasers.

The most important thing in supercomputing is to get to know such a group of people with very positive values. Working with such people, success is inevitable.

C. Buying coins is not as good as buying computing power, but you still don’t know what computing power is

With the rapid heating up of the Bitcoin mining market, cloud mining machines are a flexible , efficient Bitcoin mining solutions, gradually becoming the mainstream of the market. Domestic and foreign Bitcoin chip and mining machine manufacturers, mining machine OEMs, trading platforms, and even Bitcoin media and application manufacturers have begun to develop mining machine mining businesses.

However, the development of mining machine mining seems to have entered a bottleneck period, and its disadvantages are also constantly emerging. Excessive costs have caused miners' income to plummet. The emergence of cloud mining at this time is undoubtedly It has brought new vitality to the mining market.

Although the concept of cloud mining has been pursued by the market and most miners as soon as it appeared, after all, cloud mining is still a new concept, and more people still view it with suspicion. Moreover, the characteristics of cloud mining also make this concept relatively illusory. What exactly is cloud mining? What about buying computing power directly? Today we will talk about the core concept in cloud computing power mining - computing power.

When introducing the concept of computing power, the first thing we need to know is the components and operating mode of the blockchain.

The blockchain itself is just a data recording format, just like the Excel tables and Word documents we usually use, our data is stored on the computer in a certain format. Different from the traditional recording format, the blockchain divides the generated data into data blocks and records them one by one according to certain time intervals, and then connects them in series according to the sequence of the data blocks, which is the so-called blockchain. .

Blockchain data is logically divided into block headers and block bodies. Each block header is associated with numerous transactions in the block through Merkle roots, and each block are concatenated through the block header hash value (the block header hash value is the ID number of a block).

The hash value mentioned here is a very important concept. Hash algorithms are widely used in blockchain systems: Bitcoin uses hash algorithms to calculate hash values ​​in wallet addresses, block headers, and transaction transactions through public keys. The Merkel tree structure itself is a hash tree. Xishu, even the mining algorithm usesThe difficulty of the hash value used matches; the mining calculation in Ethereum also uses the hash algorithm; other blockchain systems also use various hash algorithms to a greater or lesser extent, so it can be said that the hash algorithm runs through the block All aspects of the chain system.

What we call mining is actually calculating the hash value of the block header through a hash algorithm.

In the process of obtaining Bitcoin through "mining", we need to find its corresponding solution, that is, the block header hash value. To find the solution, there is no fixed algorithm and we can only rely on Computer random hash collisions.

The number of hash collisions a mining machine can do per second is the representative of its "computing power", and the unit is written as hash/s.

Computing power can be simply understood as computing power. The current mainstream mining machine has a calculation level of about 14T, that is, a mining machine can do at least 1.4*10 13th power hash collision per second. We can say that this 14T mining machine has 14T computing power. The percentage of all mining machines controlled by a miner to the total computing power of the entire Bitcoin network represents the probability that he can win in this 10-minute competition.

For example, if the current computing power of the entire Bitcoin network is 100, and a certain miner has 10 computing power, then the probability of his success in each accounting competition is 1/10.

Therefore, compared with the various uncertainties of purchasing mining machines, directly purchasing computing power is a more secure and stable investment method.

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D. Several of my friends are playing with blockchain. Is it reliable?

Blockchain is also a relatively new technology.Things, and many people are paying special attention to blockchain. Blockchain can be loved by many people, and it can also receive investment from many people. Many people particularly want to invest in blockchain, and they also hope to be able to Get more bang for your buck by investing in blockchain.

There are many people who want to invest in the blockchain, but they may not necessarily understand the blockchain, and they do not know how to operate the blockchain. If everyone around them invests in the blockchain, they themselves If you invest, you may suffer relatively large losses. Some people may have this question: Several of my friends are playing with blockchain, is it reliable? In fact, I think blockchain is not necessarily reliable. There are three main reasons why I say this:

First, blockchain is easily affected by the market.

The reason why I think blockchain is not necessarily reliable is because I think blockchain is easily affected by the market. When the market fluctuates greatly, the value of blockchain may increase. decline, and it may not be able to recover as soon as possible. If some people invest because of the value of the blockchain, they may suffer relatively large losses, and they may lose all their money.

The above is my opinion.

E. Does blockchain have any practical application value?

The current application value can be divided into: 1. Financial stored value: The total amount of Bitcoin is limited and easy to circulate. It has become a good means of storing value and is also known as "liquid gold". Especially in some war-torn and turbulent areas, the rapid depreciation of the local legal currency caused local people to buy Bitcoin frantically. For example, during the 2017 coup in Zimbabwe, the country's currency price was once twice the global market price. In addition, whenever South Korea's northern neighbor launches missiles, it will trigger Koreans to buy coins frantically and drive up the price of coins; Payment: Currently, not many support the use of cryptocurrency for payment, but Japan is at the forefront of other countries. Many merchants and supermarkets in Japan have already supported Bitcoin payments, and some institutions in the United States and Europe have also begun to accept Bitcoin payments. 2. Credit information recording and notarization One of the core features of blockchain technology is that information cannot be tampered with after being recorded. This feature still has great application space in the fields of credit and justice. To give a simple example, food safety issues are largely caused by the opacity of information in the production, processing, transportation, and sales of food. If blockchain technology is used to record the specific information of each link, it can be ensured that every item Food information in every link is traceable, searchable and unchangeable, which will greatly alleviate food safety issues. Of course, the above example also involves other mature technical capabilities, such as the need for automated collection of information, which is the so-called Internet of Things. In addition, blockchain technology has begun to be introduced in terms of contract fairness, real estate information recording, and even the EU's information registration of Middle Eastern refugees. 3. Smart Contracts Before talking about smart contracts, let’s first introduce the currently more mainstream Ethereum platform, which provides a basic development platform for blockchain to allow blockchain application development.There is no need for developers to start development from the bottom, they only need to develop applications on Ethereum. It can be compared to the Android platform. With Android, application developers only need to develop applications based on Android, and the cost is reduced a lot. On top of Ethereum, developers can implement smart contract programs. The so-called smart contract means that after the system determines that a condition is reached, it automatically triggers the corresponding follow-up reaction. Take aviation delay compensation as an example. Last time my flight was delayed, I applied for delay compensation from the credit card company. The whole procedure was very troublesome. If smart contract technology is used, the system can read that the flight has been delayed and can automatically credit it to my account. By depositing compensation, the efficiency of the entire process is greatly improved, and there is almost no operating cost for me and the credit card customer service staff. 4. Reduce settlement costs. Take Ripple as an example. Ripple is an open payment network. Through this payment network, you can transfer any currency, including US dollars, euros, RMB, Japanese yen or Bitcoin. It is simple, easy and fast, and the transaction is confirmed in a few days. It is completed within seconds, the transaction fee is almost zero, and there are no so-called inter-bank, long-distance and cross-border payment fees. Just entering 2018, Ripple also skyrocketed because it was introduced into the settlement system by banks in Japan and South Korea and began testing. Its total market value surpassed Ethereum and was second only to the oldest Bitcoin.

F. Can blockchain help economic recovery after the epidemic

The decentralized value network composed of blockchain will stimulate a large number of decentralized point-to-point value exchange scenarios. Combining various technologies such as AI, 5G, Internet of Things, and edge computing, computing power will find more and more room for development, providing computing power services for blockchain technology applications, and building a network that serves national and regional economic and social development. As an important supporting platform, the underlying computing power of the blockchain will usher in the spring of development. There is now a SMIC blockchain service platform project initiated by Changsha High-tech Zone, which is a blockchain + public service model and is recruiting companies to join the blockchain. In the future, related corporate affairs and government affairs can be cooperated on the chain. It is also one of the key blockchain projects in Hunan Province.

G. How to apply blockchain technology and what role it can play

Take buying a house as an example: Buying a house is a complex transaction process, and the participants include sellers, buyers, and intermediary companies. , housing authority, bank, appraisal company, tax bureau, etc. Throughout the transaction process, all participants must record their own ledgers separately. Checking these ledgers is a very time-consuming and laborious task, and the verification cost is very high. That's why the entire process of buying a home now takes an average of two months.

In addition to being time-consuming and labor-intensive, since there is very little information that can be verified by a single participant, there is a risk of being "cheated at both ends" by the intermediary company, or "sold for more than one house". However, blockchain provides a solution: integrating all participants' ledgers into a trustworthy and non-tamperable digital ledger, which can be queried by all participants. In this way, every aspect of the home buying process is clearly visible, and everyone can conduct transactions with less time and effort.

Bitcoin is the first application of blockchain technology. Without the operation and management of any centralized organization, Bitcoin has maintained stable operation for many years without any problems. Through this case, everyone saw the potential of blockchain technology.

In order to prevent single points of failure and systemic risks, the current financial industry requires strict supervision and layer-by-layer audits to control risks, which also results in high internal costs. The traditional cross-border settlement method is through intermediaries like SWIFT, so the settlement speed is very slow. However, Bitcoin has been running perfectly for many years without the operation of a centralized institution. It can not only realize settlement and clearing in real time, but also There was not a single accounting error.

According to a report released by Santander, Spain’s largest bank, if all banks around the world use blockchain technology internally around 2020, they will save approximately US$20 billion in costs per year. Such data is enough to illustrate the tremendous changes and breakthroughs that "blockchain" has brought to the traditional financial field.

H. What role does blockchain play in real life?

Blockchain is essentially a disintermediated database that uses a blockchain data structure to verify and A new distributed foundation that stores data, uses distributed node consensus algorithms to generate and update data, uses cryptography to ensure the security of data transmission and access, and uses smart contracts composed of automated script codes to program and operate data. Architecture and computing methods. In layman's terms, blockchain is a distributed accounting technology, which has the characteristics of decentralization, non-tampering, and node consensus mechanism. Although it sounds a bit obscure, it can actually bring tangible benefits to our daily lives:
First, blockchain technology can be used to establish a traceability mechanism for food and vegetables, completely eliminating source pollution of food and vegetables, and providing the common people with Safe and hygienic green food and vegetables allow everyone to buy and eat with confidence;
Second, blockchain technology can be used to store various ownership certificates and notes and transcripts, completely eliminating fake certificates, fake files, fake academic records, fake medical records, fake transcripts, etc. Fraudulent incidents occur;
Third, blockchain technology can be used to conduct community election voting, completely eliminating fake votes and truly achieving openness, fairness and impartiality. Build a democratic community and achieve democratic governance.
In addition, blockchain technology can also be used in many aspects of daily life such as charity fundraising and commodity anti-counterfeiting.