区块链一般能坚持多久,区块链能长久吗

区块链一般能坚持多久，区块链能长久吗，这两个问题是很多人都关心的。下面我们就来拓展三个相关关键词，分别介绍一下区块链的可靠性、安全性和可扩展性。

可靠性：区块链的可靠性指的是区块链系统的可靠性，也就是区块链系统能够持续提供可靠的服务。区块链的可靠性取决于区块链的技术结构、节点的可用性、网络的可用性和加密算法的安全性。区块链的技术结构是其最核心的部分，它决定了区块链的可靠性。区块链的节点可用性指的是节点的可用性，也就是区块链系统中节点的数量、分布和可用性，它决定了区块链的可靠性。区块链的网络可用性指的是网络的可用性，也就是网络的连接、带宽和可用性，它决定了区块链的可靠性。最后，区块链的加密算法安全性指的是加密算法的安全性，也就是加密算法的安全性，它决定了区块链的可靠性。

安全性：区块链的安全性指的是区块链系统的安全性，也就是区块链系统能够持续提供安全的服务。区块链的安全性取决于区块链的技术结构、节点的可用性、网络的可用性和加密算法的安全性。区块链的技术结构是其最核心的部分，它决定了区块链的安全性。区块链的节点可用性指的是节点的可用性，也就是区块链系统中节点的数量、分布和可用性，它决定了区块链的安全性。区块链的网络可用性指的是网络的可用性，也就是网络的连接、带宽和可用性，它决定了区块链的安全性。最后，区块链的加密算法安全性指的是加密算法的安全性，也就是加密算法的安全性，它决定了区块链的安全性。

可扩展性：区块链可扩展性指的是区块链系统的可扩展性，也就是区块链系统能够持续提供可扩展的服务。区块链的可扩展性取决于区块链的技术结构、节点的可用性、网络的可用性和加密算法的安全性。区块链的技术结构是其最核心的部分，它决定了区块链的可扩展性。区块链的节点可用性指的是节点的可用性，也就是区块链系统中节点的数量、分布和可用性，它决定了区块链的可扩展性。区块链的网络可用性指的是网络的可用性，也就是网络的连接、带宽和可用性，它决定了区块链的可扩展性。最后，区块链的加密算法安全性指的是加密算法的安全性，也就是加密算法的安全性，它决定了区块链的可扩展性。

以上就是关于区块链可靠性、安全性和可扩展性的介绍，从而可以看出，区块链的可靠性、安全性和可扩展性是它能够长期发挥作用的重要因素。只有当这些因素都得到充分考虑且得到有效控制，区块链才能够长期发挥作用，才能满足人们的需求。

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Ⅰ Things you must know when entering the currency circle: What is mined by mining?

The theme of this article is what is mined by mining in the currency circle. In this article we We will look at this issue through three different levels: appearance, algorithm, and essence. I hope you can stick to the three-level view. If you are familiar with the currency circle, you can also look at the third level directly.

First layer: On the surface

Some people say that Bitcoin is expected to be mined out in 2140, with a total of 21 million coins. In fact, as long as one understands the Bitcoin algorithm Everyone knows very well that Bitcoin will never be mined completely1. It will only take years or even decades or hundreds of years to dig out one coin, so naturally no one will dig it, which is equivalent to No more digging. By the same token, the total number of Bitcoins, 21 million, is ultimately just an approximate number.

What do you see in mining? Take Bitcoin, the founder of the currency circle, as an example. Mining is a digital block, and this block is called "electronic currency". This is of course not the essence of this article.

The reason why it can be called currency is that it can be used for physical or legal currency transactions among its believers. Therefore, there is no doubt that everyone agrees that what mining in the currency circle mines is "electronic currency". currency".

The second layer: from an algorithmic point of view

At this level, we still use Bitcoin, the pioneer currency in the currency circle, to explain.

As mentioned before, Bitcoin mining will become more and more difficult to mine as time goes by. Why is this? Because in the Bitcoin algorithm, there is a dynamically adjusted difficulty value. This difficulty value will continue to increase as time goes by to ensure that Bitcoin becomes increasingly difficult to mine. I won’t go into details here about how to adjust the difficulty value. Readers should first know that there is such a thing as a difficulty value.

Bitcoin mining is calculated using the hash value of the previous block (a string of data similar to this), random numbers, and some other data to obtain another hash value. If If the hash value obtained is smaller than a hash value determined by the difficulty value, it is considered a mine.

To put it more popularly (popular means it is imprecise

), for example, withAccording to the current difficulty value, we have determined that all hash values ​​calculated by mining need to be less than the hash value corresponding to the difficulty. Then if there are more 0s in front of the hash value dug, it means you have mined.

You have now seen that what Bitcoin mining mines is the hash value calculated from a piece of data. You can discuss the value of this string of numbers.

Some people say that mining Bitcoin is solving mathematical problems. I think if mining Bitcoin can solve mathematical problems, it will indeed be a contribution to the mathematics community. But in fact, everyone should understand that there is no mathematical problem at all, just some random things to try to see if the hash value obtained through certain calculations is small enough.

By this point everyone should understand that from the algorithm point of view, what the currency circle mines is a calculated string of numbers. Here we only use Bitcoin as an explanation. Other coins may have different algorithms. , but the essence is the same.

The third layer: the essence of mining

The currency circle is really booming in 2017, and the value of various coins is dozens or even hundreds of times. Growth, even air coins can attract many investors to follow up.

The hot currency market has caused many people who don’t even know what blockchain is and what Bitcoin is to rush in, because everyone has seen the crazy appreciation of various currencies, but The good times did not last long. After Bitcoin reached a peak of US$20,000 in December 2017, it began to decline. As a result, some people may not even have a good Spring Festival in 2018.

Since I want to enter the currency circle, I think it is best to first understand the nature of mining in the currency circle, otherwise it will not be unfair to become a leek.

In my opinion, the essence of currency mining is believers. No matter what currency it is, if there are many believers, the value will be high, if there are few believers, the value will be low, and if there are not enough believers, it will be broken directly.

The popularity of the currency market last year has caused many people who had not paid much attention to virtual currencies before, and even people who had never heard of Bitcoin before, to see others making a fortune in the currency world. They blindly become believers and become a mine for first entrants. By December 2017After experiencing the madness, how many people still dare to believe that it can continue to rise? Without new believers entering, various currencies will lose their "mineral sources" and lose the power of growth.

Now that we understand that mining in the currency circle is driven by believers, how long a currency can persist depends on how long the believers can persist. For a virtual currency that cannot bring real value, if there are no new believers, the original believers will slowly lose confidence and patience. When the original believers also start to give up, the currency will be destroyed soon.

The above is my personal opinion. If you agree with me, please like and forward it. If you have different opinions, please leave a civilized message. Discussion is welcome.

Summary

The last sentence summarizes that blockchain technology has a broad application space, but virtual currency is water without a source after all, and the "mine" will one day be mined. Finished, you can look forward to my next article for the specific reasons: "Where are the application scenarios of blockchain?" Teach you two steps to find the application scenarios of blockchain".

1. It is relative that Bitcoin will never be mined completely. If we can ensure that the computing power of mining Bitcoin will not decrease and we never give up, we will mine it to the end one day. One piece, but the reality is that when the difficulty increases to a certain value, some computing power will give up. Although it is guaranteed that the number that can be mined remains unchanged within a period of time, the mining difficulty in the algorithm may decrease as the computing power decreases. Decrease, which will lead to an increase in the total amount that can be mined.

About the author:

Li Jingchen, the founder of Ziwuyou, a former Internet coder, an independent game producer, and a classic Internet person who self-researches and uses blockchain technology.

Ⅱ How long can the popularity of cryptocurrency last?

How long can the popularity of cryptocurrency last? It can only be said that cryptocurrency is in a time of rapid changes, whether it is at the beginning or not. Bitcoin is still Dogecoin, so that the price of Ethereum, which is now showing signs of rising, is rising rapidly, and then falling rapidly. As for what it is like, it depends on how you look at this thing?

If you are an ordinary person and want to invest, I suggest you consider traditional investment methods, including stock funds. I can only say that the current market situation of stock funds is not very good, and there is a possibility of losing money. Yes, but if you lose money, it will definitely not be the case. You will lose all your money. The fundA retracement rate of 20% is considered quite high. Normally, a retracement rate of 10% is about the same, but if you buy Bitcoin and virtual currency, these things are really not necessarily the same. , he may have been 60,000 a month ago, but he may only be 40,000 a month later.

III How long will it take for the financial blockchain to be fully promoted

What is blockchain?
Blockchain is a new type of decentralized protocol that can securely store Bitcoin transactions or other data through a distributed ledger (or database), ensuring that information cannot be forged and cannot be forged through a global network. Tampering can automatically execute smart contracts without the need for review by any centralized organization. Transactions can be digital currencies such as Bitcoin, or digital assets such as equity and intellectual property. The trust and accounting costs of economic operation are greatly reduced.

Blockchain has 2 core concepts: transactions/transactions and blocks

What is a transaction/transaction?
Blockchain is a globally shared, transactional database. Everyone on the network can read the records. If you want to modify something in this database, you have to create a transaction and have it confirmed by everyone else. A transaction means you want to make a change that will either be completely executed or not executed at all. When your transaction is applied to this database, other transactions cannot modify the database.

For example, imagine a table that lists the balances of all Bitcoin accounts. When a transfer request occurs from Account A to Account B, the transactional nature of this database ensures that the amount subtracted from Account A is added to Account B. If for some reason, adding the amount to Account B cannot be done, then the amount in Account A will not change.

In addition, a transaction is cryptographically signed by the sender (the creator of the transaction). This measure adds access protection to database modifications. In the above Bitcoin example, it can be ensured that only the person holding the key to account A can transfer money out of the account.

What is a block?
A major problem that blockchain has to solve is called the "double spend attack" in Bitcoin. What happens when there are two transactions on the network that both transfer balances from one account? A conflict?

The short answer is that you don't need to care. These transactions are sorted and packaged into "blocks," which are then executed and distributed by all participating nodes. If two transactions conflict with each other, the lower-ordered transaction will be rejected and removed from the block.

These blocks are arranged in a linear sequence in time. This is where the word “blockchain” comes from. Blocks are added to the chain at a fairly regular interval. For Bitcoin, this interval is roughly 10 minutes. For Ethereum, this interval is roughly 17 seconds. Ethereum has made improvements to Bitcoin., I believe that in the future, near real-time transfers can be achieved, and it can be applied to business fields with high real-time requirements.

A block of the blockchain may be rolled back from time to time as part of the "sequential selection mechanism" (often called "mining"). But this only happens at the end of the chain. The more blocks involved in a rollback, the less likely it is to occur. So your transaction may be rolled back or even deleted from the blockchain. But the longer you wait, the less likely this is to happen.

Future Outlook
After understanding some basic principles of blockchain, you may have discovered the value in it if you are smart. The traditional Internet has completed the transmission of information globalization, but it cannot convey trust and value, while the characteristics of the blockchain can convey trust and value. It is believed that blockchain will lead the evolution of the information Internet to the value Internet. In the next 10 years, human society will enter a more open and transparent world.

Introduction to Bubi Blockchain

Bubi Blockchain is a commercially available blockchain. Bubi covers a total of 7 major areas: exchanges, points (multiple points, grid points), insurance (Sunshine Insurance will launch accident insurance on our blockchain in one month, and channel costs can be greatly reduced through the blockchain) , equity crowdfunding (gold stock chain, etc.), supply chain finance (Qianxiang, etc.), supply chain (already cooperated with the material chain), jewelry anti-counterfeiting, etc. Some funds that cooperate with Bubi have committed 150 million in investment funds. Bubi plays the role of "LP" in the fund, helping the fund identify and invest in blockchain-related companies. Currently, the average amount of angel investment obtained through Bubi Blockchain is approximately 3 million, and the average valuation is more than 40 million.

Finance is essentially the money relationship between people.

But if it is a direct monetary relationship between people, it is only a loan and transfer relationship, which does not constitute finance in the true sense.

With the emergence of third-party institutions, the monetary relationship between people has become a financial relationship.

Why can third-party institutions realize financial functions?

This is because third-party financial institutions solve the following three aspects of problems:

Trust
Settlement
Rules

These three aspects of problems are precisely the problems that blockchain can inherently solve.

The so-called blockchain is to jointly maintain a public ledger on multiple nodes.

The data of the big ledger will be packaged once for each specified time period, and the packaged data is called a block. Connecting the packaged blocks in a specific way in chronological order is called a blockchain.

Blockchain data is transmitted to all nodes on the Internet in a broadcast manner, forming data information that cannot be tampered with but is verifiable.

Due to the blockchain technology, as a Bitcoin user, you can completely trust that the incident of Zhang San transferring a Bitcoin to Li Si's address after querying the block actually happened. The presence of 100 Bitcoins in Li Si's wallet can also be confirmed through signature.

Based on reliable payment and real property, the problem of trust has a basis for solving.

Through multi-signature, a higher degree of trust can be achieved.

What is multi-signature? It's very simple. There are multiple related people for a payment. When the set number of related people is confirmed, the payment will take effect.

Through the above parts, the trust problem can be solved very well.

Blockchain The Internet is two fields that interact. Today's Internet seems to perfectly transmit information without being restricted by time and geography, and it is low-cost, simple and fast. However, things are always moving forward. After we solve the problem of processing massive data on the Internet through database, cloud storage and other technologies, what follows is how to solve the authenticity and effectiveness of the data on a large scale. Blockchain technology emerged along with the trend. It is the first technology to establish decentralized trust from a technical level, which has disruptive significance.

IV How long will it take for blockchain MLM coins to collapse

Blockchain MLM coins will collapse on the day when the capital chain breaks. As the underlying technology of Bitcoin, "blockchain" is like a distributed database ledger. As the prices of virtual currencies based on blockchain technology such as "Bitcoin" have soared, ordinary investors are increasingly interested in investing in blockchain and digital currencies.

Li Xuyang, head of Tencent’s Security Anti-Fraud Laboratory, said that there are more than 3,000 MLM platforms using the blockchain concept. The reporter took stock of recent cases and found that there are three main "routines" in "blockchain + fraud".

(4) How long can the blockchain persist? Extended reading

With the sharp rise and fall of Bitcoin and the explosion of the concept of "blockchain" , many pyramid schemes under the banner of “blockchain” also appear frequently.

Old routines" put on the "new vest" of blockchain and immediately transformed into another "new shortcut" for "Chinese aunts" pursuing "financial freedom" and "big pitfalls" worth hundreds of millions. ". Experts suggest that relevant departments establish a joint supervision and joint attack mechanism to improve the ability to investigate potential risks and promptly cool down the excessive hype and chaos of "blockchain".

How long can the IV crowd1 project last

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Crowd1 has the following advantages over other projects:

️1. Trends: Online education, online games, and online BO/CAI are the three major sectors of today’s educational entertainment products. The trend, especially the current epidemic, is that all entities are turning to online, and following the trend is the king. These three markets are large and have the highest profits. There is no after-sales service.Use promotion to sell products that everyone needs and likes, and has a large audience, especially when repeated consumption is high! Profits will continue

2. Long-term, stable, and risk-free. There are too many projects now, and there are all kinds of projects. It is true that some projects are good and you can make money statically, but there is no guarantee of long-term. Maintaining it for more than two years is considered a long time. Crowd1’s model is at least long-term and stable and will not fail. It will not hurt connections, is completely risk-free, and will not lead team members into trouble

3️ , Opportunity, Amway's decline is not due to the dual-track system, but because of competition. When it first entered China more than 20 years ago, it was very popular. It has been the industry leader for several consecutive years, but now there are endless product lineups and the competition is very fierce. Amway started from a certain To some extent, it has been eliminated. Crowd1 caters to the current trend and goes with the trend. At present, there is no problem in being popular for more than ten years. From now on, it will depend on social development. Therefore, we are in the best opportunity. Domestically, it is still the best The market is blank, which is the best time

4️. Make money. If you use this platform quickly, you can achieve the annual income of other direct selling platforms in more than a month, not counting future equity dividend income. , in fact, our biggest income lies in future equity dividend income! No cap! As long as the company is profitable, we will always have a steady stream of money!

5️, the company, a serious European international company, uses the world's most advanced blockchain technology and is also the world's fastest growing online education and entertainment platform,

6. Once and for all, other projects are often good and often changed. What you earn is immediate money. Crowd1 not only earns immediate money, but also a real channel for passive income, once and for all!

VI The RMB digital currency is coming! How long can the scam of the century in the currency circle continue?

Editor | Nami

Author | Zheng Kai

Source | Business Jinying

However, as the official master of blockchain technology applications, the emergence of RMB digital currency will definitely bring a devastating blow to the wildly growing currency ecosystem!

History tells us that when regular troops enter the mountains, the first step is to suppress the bandits!

For a long time, the currency circle, which has been flaunting and deceiving people with blockchain and high-tech concepts, has been called the middle-class harvester!

It may take many times to win, but it only takes one to lose everything. Except for a very small number of founders who are making a lot of money and getting away with it, everything you look at is a green field of leeks!

In recent years, scams in the currency circle have continued to explode!

The plustoken scam, known as the world's largest cryptocurrency scam, was tragic. 3 million people lost their money and all 40 billion in funds were confiscated.

Digital currency tradingSo Zhang Jian, the founder of FCoin, had 800 million RMB and was unable to exchange it and ran away!

TRON founder Sun Yuchen cashed out 2 billion and fled to the United States to have lunch with Buffett. He is called the Jia Yueting of the currency circle.

.......

The poor and fragile middle class think they are rich, but in fact they only have a little money. A serious illness, a thunderstorm, and they can recover in minutes and overnight. Until liberation!

Desperately pursuing high returns, dreaming of the dream of wealth and freedom, and ultimately becoming a stepping stone for others to achieve wealth and freedom!

1. Why is the development of blockchain encouraged by the country?

Is the currency circle a scam for nine out of ten coins?

First of all, let’s clarify what a blockchain is. Essentially, it is a shared database in which the data or information is stored. It has the characteristics of "unforgeable", "leaving traces throughout the entire process", "traceable", "open and transparent" and "collective maintenance".

Take Bitcoin as an example. Essentially, it is a series of encrypted data (rather than a specific "currency"). The data stored in various terminals are interlocked. When a Bitcoin (data) is transferred from When moving from one terminal to another, a stream of new encrypted data is generated and uploaded to the blockchain (different data endpoints).

Generating monetary value through data transactions. The more sought after the market is, the higher the attention, the greater the transaction value. Its value is more like a Dutch tulip. It only has trading value if someone recognizes it. Once no one cares about it, it may collapse at any time.

The essence of currency is credit endorsement. The currency of a sovereign country can circulate in the market based on people's trust in the comprehensive strength of the sovereign country.

Bitcoin, as the first pioneer in the market, is sought after by geeks all over the world and has set off a craze for virtual currency around the world. However, it is still difficult to circulate and exchange, and it can be called a tree without roots. Bitcoin is still at risk of collapse, so why can mass-produced cat and dog coins become so popular and harvest leeks?

2. There are thousands of deceptions in the world

The one thing that never changes is the greed that takes advantage of human nature!

Blockchain technology is relatively complex and difficult for ordinary people to understand. They think that with state support and high technology, there should be no problem! Little did they know that this was exactly what they wanted. Under the guise of high-tech, they claimed that the company’s management personnel’s core skills came from Tsinghua University, Peking University, and Zhongguancun in Silicon Valley, creating the momentum of a large multinational technology company. They took advantage of the public’s limited knowledge of blockchain technology to promote virtual currencies and use huge profits as a source of profit. Selling point, tempting the public to "suffocate on dreams".

It took 9 years for Bitcoin to skyrocket20 million times, making the cheap altcoins that surpass Bitcoin begin to draw their own grand blueprint.

Coin people are frivolous, thinking that they can copy the myth of Bitcoin to create wealth. When there is no limit on the rise and fall of stocks in digital currency, some currency speculators choose "gamble-style" trading and become rich overnight. , bankrupted and bankrupted.

In fact, the rise and fall of virtual currencies have no basis at all! Due to the lack of national sovereign credit endorsement, any disturbance can cause virtual currencies to plummet. The so-called high-quality application tokens of some currencies are not attributes of the virtual currency itself, and it is difficult to support the price of virtual currencies. For example, Q Coin relies on Tencent’s Redeem credits instead of Q coins can be used to purchase game equipment.

There are still bookmakers operating in the virtual currency market. The development team usually hoards a large amount of virtual currency, which is enough to take advantage of market fluctuations to suppress the price of virtual currency and harvest leeks in a cycle.

What is even more bloody is that some virtual currencies are simply an analog number on the trading platform, and price changes can be controlled at will in the background. All the money spent by Binmin to buy virtual coins goes into the pockets of the development team. If they are happy, they will raise the price to attract investors. If they are not happy, the price will plummet every minute, causing investors to lose money.

Due to the lack of supervision, the rise and fall of currency value is completely controlled by the issuer, and the evil of human nature is infinitely magnified! Such a hugely profitable business has led to a flood of all kinds of virtual currencies. To say that investing in virtual currency is gambling is an insult to the casino’s intelligence.

Of course, there are so many virtual currencies that it is impossible to get as much traffic and attention as mainstream currencies, so Ponzi scheme-style virtual currencies and pyramid scheme-style virtual currencies have been derived.

3. It is almost certain

All virtual currencies that promise guaranteed capital and high returns are scams!

Take plus token, the biggest scam in the currency circle that was caught up by the public security agencies a while ago, as an example. In order to attract customers, it claimed that with a minimum investment of 500 US dollars, you can earn money every month. It provides investors with 10%-30% income and a yearly profit of 600%. It is such an obvious scam. Just by covering it up with high-end blockchain technology, you can make money wantonly and redeem old customers through the principal of new customers. The platform expands wildly in terms of user income, and when it reaches a certain level, it declares bankruptcy and runs away with the money. The method is exactly the same as P2P.

Even more ruthless than P2P, there is also a pyramid scheme, which not only defrauds investors of their money, but also defrauds investors’ relatives, friends, colleagues, and customers. By encouraging customers to earn commissions and develop offline methods, viral spread and fission will eventually bring down the victim's entire family and even their circle of friends!

You thought you found an investment idea for your friends and familyA good project for making money, but little did he know that it was himself who dragged it into a deep pit!

What is even more irritating is that because this method is suspected of Internet pyramid schemes, even if the platform goes bankrupt and the founder is arrested, investors will not be able to recover any losses! According to legal provisions, all funds involved in MLM cases will be confiscated! Investors who participate in pyramid schemes not only lose all their money, but also bear legal liability.

As of 2019, more than 200 virtual currency platforms have gone bankrupt. Due to the many characteristics of virtualized operations of capital interconnection, the probability of finally solving the case and getting the money back is very rare.

Most capitalists have escaped overseas with huge amounts of bloody harvests, and even changed their vests and re-activated in front of the public as successful people, shouting slogans about suffocating their dreams, while laughing and laughing in their hearts. It's a piece of green leek!

Conclusion

Guo Shuqing, chairman of the China Banking Regulatory Commission, said: High returns mean high risks. If the rate of return exceeds 6%, there will be a question mark. If the rate of return exceeds 8%, it will be very dangerous. If the rate of return exceeds 10%, you will be prepared to lose all your principal! (Referring to the annualized rate of return!!)

The stock god Buffett has been in the capital market for most of his life, and the average annualized rate of return is only 20%! !

Are you still dreaming of getting rich overnight by investing?

If you don’t want to see your friends and family members being deceived by the same scam. Use your finger to repost to your circle of friends so that more people can see it! Let us work together to expose the biggest scam of the century in the currency circle and make the Internet clean! !

Ⅶ How long can a capital fund project generally last without collapsing

To analyze how long the capital plate can last, in addition to needing to reserve relevant knowledge, one must also learn to look at the nature of the project and see Capital flows and looking at pattern cycles.

1. Depending on the nature of the project,

domestic funds have invested in the stock market and banks, and none of them are legal. The stock market is unstable and banks do not make much profit. Anyone who says that he is legal is only to embolden himself, and anyone who says that he has strength and background cannot do it. Such a capital market will only last for a short time and cannot be done.

The so-called capital disk is in the form of rolling or static capital circulation, demolishing the east wall to make up for the west wall, and adding members after use. An online pyramid scheme in which money is paid to previous members is essentially a pyramid scheme. It is extremely covert, deceptive and harmful to society.

VIII How long does blockchain mapping take?

Blockchain mapping takes about 2 to 3 months
Blockchain mapping is equivalent to your old currency wallet and new currency. Establish a corresponding relationship between wallets and tell the project party how many old coins you have. After the mainnet goes online, the project party will need to give you the same number of new coins.
Blockchain is a database with a data "hash verification" function. Blocks are data blocks. Data blocks are combined into a chain structure in chronological order, and cryptographic algorithms are used to collectively maintain the reliability of the database in a distributed accounting manner. All data blocks are connected in chronological order, forming a blockchain.

Ⅸ How long can blockchain MLM last?

It is best not to touch it. In addition to learning blockchain-related knowledge from formal and authoritative channels, investors must also always Remember that "pie in the sky will never fall", and don't easily believe in the so-called "internal currency issuance", "only rise but not fall", "super high return" and other projects on the market.
Blockchain is an important concept of Bitcoin. It is essentially a decentralized database and serves as the underlying technology of Bitcoin. The blockchain is a series of data blocks generated using cryptographic methods. Each data block contains information about a Bitcoin network transaction and is used to verify the validity of the information (anti-counterfeiting) and generate the next block.
Blockchain was born from Satoshi Nakamoto’s Bitcoin. Since 2009, various Bitcoin-like digital currencies have appeared, all based on public blockchains.