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㈠ Comprehensive interpretation of blockchain and Bitcoin, teach you to understand the relationship between the two

01 Blockchain is the underlying technology of Bitcoin

A blockchain is a distributed account, in short, a decentralized ledger that can be viewed and joined by many people. For example, each block is equivalent to each knot on the rope. When each new transaction enters the blockchain, it is equivalent to an event. To mark the occurrence of an event, a symbolic knot is made and the details are recorded on the specific knot

Bitcoin uses blockchain for value storage and transactions. In addition, the technical difficulty of the blockchain itself is not the greatest, but its application scenarios and regulatory issues include three types of blockchain: public blockchain, private blockchain and joint blockchain; the other classification is permissionless and permissions

Therefore, cryptocurrency uses blockchain technology, but blockchain technology does not entirely belong to cryptocurrency

02 When the financial crisis comes, blockchain technology It can prevent counterfeiting, trace the source, and simplify transactions in the financial industry. Some investors choose to invest in cryptocurrency to avoid corresponding asset risks and benefit from the mechanism of blockchain to solve trust problems. This technology has been applied to financial management and transactions. The main performance is that blockchain can track various types of transactions and can also play an anti-counterfeiting and traceability role in various scenarios. Copyright, trademark, academic fraud and other issues have been exposed one after another

In addition, blockchain technology can also simplify transactions, make the entire transaction process open and transparent, track the links of each transaction event, and ensure that both parties have certain rights. Degree of trust

03 The concept of Bitcoin is different from that of blockchain

During the "mining" process, the open source blockchain network can ensure trust and cannot be tampered with. When networked computers run through a precise algorithm and give the correct answer, the "absentees" will be rewarded for mining and have access to servers around the world, but the whole process is still very energy-consuming

Currency Chart B Coin: A comprehensive explanation of blockchain and Bitcoin will teach you to understand the relationship between them. Bitcoin is an open source version of blockchain technology, that is, a network developed for everyone, and it is popular for its decentralized advantages. However, as a public blockchain, Bitcoin consumes a lot of computing power due to mining, which leads to severe power consumption in many countries

Therefore, for an emerging technology, it is best not to be blind Trust or invest and recognize its true purpose in order to see everything objectively and be prepared.

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㈡ What is joint (industry) blockchain technology and how to correctly understand it

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In fact, industry blockchain refers to multiple pre-selected projects designated by a certain group.The node is the bookkeeper, and the generation of each block is jointly decided by all pre-selected nodes (the pre-selected nodes participate in the consensus process), and Jinwowo Network Technology prompts other access nodes to participate in transactions, but does not participate in the accounting process.

㈢What are the advantages of blockchain

The advantages of blockchain are mainly reflected in the following points:
1. Decentralization
Due to the use of distributed There is no centralized hardware or management organization for accounting and storage. The rights and obligations of any node are equal. The data blocks in the system are jointly maintained by nodes with maintenance functions in the entire system.
2. Openness
The system is open. In addition to the private information of the transaction parties being encrypted, the blockchain data is open to everyone, and anyone can query the blockchain through the public interface. Data and development related applications, so the entire system information is highly transparent.
3. Autonomy
The blockchain adopts consensus-based specifications and protocols (such as a set of open and transparent algorithms) to enable all nodes in the entire system to exchange data freely and securely in a trustless environment. , so that trust in "people" is changed to trust in machines, and any human intervention has no effect.
4. Information cannot be tampered
Once the information is verified and added to the blockchain, it will be stored permanently. Unless more than 51% of the nodes in the system can be controlled at the same time, otherwise the database will not be modified on a single node. Modifications are invalid, so the data stability and reliability of the blockchain are extremely high.
5. Anonymity
Since the exchange between nodes follows a fixed algorithm, the data interaction does not require trust (the program rules in the blockchain will judge whether the activity is valid by itself), so the counterparty does not need to Making the other party trust you by disclosing your identity is very helpful for the accumulation of credit.

As above, there are many applications of blockchain now, and it has been applied to various fields, such as GSN in social banking. GSN can effectively reduce financial risks by applying blockchain technology to finance. Because the credit management level of participating market entities will be improved due to the application of blockchain technology, on the other hand, it will also be conducive to the construction and improvement of the entire social credit system.

Secondly, GSN can transform traditional credit management based on experience and system design into a blockchain management model supported by heavy technical means. By introducing GSN, this advanced information management technology, it will help improve credit management. The technological content improves the accuracy and rigor of management.

Finally, GSN can effectively reduce the current high cost of social credit, open up the information islands between credit information, and effectively prevent the loss, leakage or tampering of social credit information. Blockchain has a wider range of application scenarios in building a social credit trust system and promoting digital inclusive credit reporting.

㈣ Energy Blockchain Research丨The four major"Green Tree"'s blockchain development trend

Blockchain technology continues to develop and grow to adapt to the needs of the financial market and the Internet market, and continue to provide digital solutions for them. By integrating blocks in Web3 technology With blockchain technology, we are developing decentralized finance (DeFi) services and decentralized applications (DApps) to enhance the digital ecosystem.

Experts expect that by integrating blockchain technology and solutions, Banks can save $12 billion or more annually. The United Nations also uses blockchain technology to address issues related to human rights violations, fund international humanitarian development, and promote environmentally friendly blockchain ecosystem innovation.

One of the challenges with blockchain development trends is that these trends are fleeting because the industry is constantly evolving. Therefore, some businesses and developers often have questions about the development of a certain blockchain project. However, , after diligent research and analysis, we found that the following four projects have the potential to become an "evergreen" blockchain development trend. More importantly, these four projects are actively contributing to decentralized finance and decentralized applications. Developers in the programming industry provide blockchain solutions.

1

Blockchain applications in enterprises

Want to create high-quality decentralized applications Developers can build scalable applications that meet market needs through Jelurida's flagship blockchain solutions "NXT and Ardor". To put it simply, Jelurida is working hard to turn physical companies into Seamlessly connect enterprises and the blockchain industry. Imagine, is a blockchain without actual application still a blockchain?

Future Coin is the world’s first consensus that relies entirely on Proof of Stake (PoS) An open source blockchain platform. Proof of Stake is an algorithm based on Byzantine fault tolerance that eliminates computational losses in the Proof of Work (PoW) model and improves transaction security.

Developers can Utilize the Futurecoin framework to build and preserve custom blockchain solutions and create reliable exchanges for tokens. On the other hand, Adocoin’s sub-chain functionality allows organizations to build permissionless blockchain digital solutions and run them Smart Contracts.

By using these solutions and Ignis, Jelurida has achieved some success. Unlike some blockchain companies, Jelurida has achieved all milestones in its development path and is currently in Operating in several countries on three continents.

Currently, Jelurida has many real-life projects running on its platform, one of which is Cycle4Value, an environmentally friendly gamification system that controls traffic conditions, Improving public health.

2

Gaming and non-fungible token development

Enjin is another welcome advancement for blockchain developers in the gaming and non-fungible token industries, providing creative developers with the tools to create the next generation of decentralized software and applications. Chance. Enjin powers real-world projects in the medical, political, financial, and entertainment sectors, and is proud to provide blockchain solutions to millions of users. The project has a market capacity of nearly 45 million, more than 2 million wallets have been installed, and more than 1 billion assets have been created.

"Go! By Health Hero", one of the real-life projects built on Enjin, is a future currency-based solution that can promote the development of health-related projects and services. This project is currently very popular . Other projects include Microsoft's Azure Heroes, "Lost Relics" and "Age of Corruption" for gamers.

Currently, Enjin is deeply cooperating with the emerging future currency industry. It is expected that as the industry develops further in the future, Enjin will play an important role in the industry.

3

Speed ​​and data security

When a developer wants to create a decentralized blockchain service with scalability and reliability, Speed ​​and safety are the basic factors he needs to consider. Elrond has done just that, processing more than 10,000 transactions in one second, which is 100 times faster than Bitcoin and Ethereum combined.

Here are some of the “evergreen” trends we need in the coming years.

Elrond uses an adaptive state sharding mechanism to support fast verification and transaction processing. Like Jelurida, Elrond uses proof of stake to save resources and improve transaction security.

With over 90,000 active accounts and a large number of development projects, it’s no surprise that Elrond’s ecosystem valuation has jumped from $10 million to $500 million. Elrond operates in approximately 30 countries and counts more than 115 companies and startups among its clients.

4

Environmentally friendly system

Cudos is a broadband blockchain platform that provides blockchain projects with computing resources by integrating the computing resources of developers and users around the world. power. The platform serves as a network for developers to share and sell common resources, enabling reliable and scalable blockchain projects on the Internet. Developers can build and publish decentralized applications, mine cryptocurrencies and amortize network fees.

Gaming and non-fungible token developers and markets, including other related blockchain businesses, can leverage the Cudos framework to create high-quality and secure decentralized solutions and products. The Cudos ecosystem is committed to providing developers with cheaper, more convenient, reusable and environmentally friendlyBlockchain solutions; provides organizations with cloud computing-based blockchain solutions; introduces innovative solutions into the Web3 framework, allowing developers to create the next generation of decentralized applications.

Cudos recently partnered with blockchain-based carbon credit company ClimateTrade to offset its carbon dioxide emissions. The world is currently experiencing the negative impacts of climate change, and businesses and individuals have a responsibility to quickly mitigate and ultimately reverse these impacts.

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Conclusion

Blockchain platforms committed to next-generation blockchain services and businesses should take measures to solve environmental pollution problems, thereby providing a Chain digital solutions create an eco-friendly environment.

National Energy Information Platform contact number: 010-65367702, email: [email protected], address: People's Daily, No. 2 Jintai West Road, Chaoyang District, Beijing Society

㈤ [Blockchain blockchain] is more powerful than Bitcoin

Compiled by Joyce, a new vision of grassroots influence

Bitcoin has been a hot topic in the past two years Coin is already well known, but its influence may not be as influential as the online wallet technology [blockchain]. Whether it is from voting to health care, music to energy production, blockchain not only affects existing banks and securities brokers people, credit card business, it may even change our way of life.

Voting Applications

The ballot boxes and online voting platforms that were used to vote in the past can easily be manipulated to cause fraud, and districts The blockchain authenticates the identity of the transaction and does not need to be managed or guaranteed by a central authority. Now a startup called FollowMyVote is developing a blockchain-based system that can ensure the security of the election process and results. , transparency and accuracy.

Power Energy Application

Blockchain technology can be applied to power energy: use the unused solar power from the solar panels on the roof to communicate with the solar panels of neighboring buildings. , and use blockchain virtual currency to settle electricity costs. The entire transaction process (whether it is power exchange or fee settlement) does not need to go through an energy supplier. Currently, Lo3Energy, a new venture under Siemens, is operating in some communities in Brooklyn, New York ( For example, ParkSlope has launched a microgrid plan for solar power trading. Blockchain allows homeowners to set their own pricing without paying commissions to middlemen, thus reducing sales costs.

Music Media Applications

Past The traditional music industry structure includes layers of so-called "middlemen", such as publishers, music manufacturers, copyright dealers, music platforms, etc., and finally reaches the hands of consumers. At this time, the selling price of music products has been due to the layers of stacking. And pull it up, but actually enter the music creationThe rewards in people's pockets are extremely limited. Blockchain breaks the traditional music industry structure. A blockchain system called Voise allows musicians to set a price themselves. When users consume these music through the platform, musicians can receive almost 100% of the consumption. amount.

Healthcare Applications

In the past, patients’ medical records were often scattered among doctors, clinics, and laboratories, causing inconvenience for people to seek medical treatment across hospitals, make insurance claims, etc. Blockchain health records can be read and updated from multiple repositories, containing detailed records of each visit, and patients can choose who to share the data with. At MIT, researchers are developing a system called MedRec that is expected to be integrated with current medical computer systems. Taipei Medical University Affiliated Hospital also led Taiwan to officially enter the health and medical industry blockchain technology in November 2017.

Humanitarian Relief Application

According to statistics from the United Nations in 2012, 30% of development aid from around the world was not applied to aid recipients due to corruption. The United Nations is currently developing some blockchain projects to solve this problem . For example, in the 2017 United Nations World Food Program experimental project, Syrian refugees in Jordan received cryptocurrency subsidies. When refugees shop in supermarkets in the camp, their identities will be verified through eye iris scans, and the consumption amount will be deducted from the subsidies. This experimental project can not only reduce the cost of UN affairs, but also reduce the chances of fraud and theft.

㈥ Is there any reliable public chain in the blockchain industry?

Is there any reliable public chain in the blockchain industry?

In the blockchain industry, both practitioners and investors must be familiar with public chains. Whenever a new project is born in the industry, it must have something to do with the public chain. But in fact, looking at the entire blockchain industry, there are not many mature and stable public chains. Currently, there are three main system types in the blockchain industry: public blockchain, joint blockchain, and private blockchain.

Public blockchain is often referred to as a public chain in the industry. It means that any individual or group in the world can participate in the accounting and transaction process of the entire system, and at the same time, its transaction records can be effectively obtained by the system. Confirmed blockchain mainnet, in the industry, we usually call this publicly writable nature "open source". The public chain is the earliest and most widely used blockchain system in the industry.

United blockchain, also known as alliance chain, the alliance chain system is not open source, but multiple pre-selected nodes are designated as bookkeepers within a certain group, and each block is generated by all The pre-selected nodes jointly decide that other nodes can participate in transactions but have no right to participate in the accounting process. It is essentially similar to the custody accounting in the financial industry and can be called a "semi-centralized" blockchain system. This system is more stable, but is not suitable for wide-scale popularization and application.

Private blockchain is privatechain. This kind of system is more closed. It simply uses the underlying technology of the blockchain for the accounting process. However, its network system is not open source, but the developers have exclusive writing rights. The developer here can be a company or an individual. Currently, many traditional financial industries want to try private chain development, but their application products are still being explored.

Among the above three system types, the public chain system is undoubtedly the one that attracts the most attention from the industry. Compared with the other two types, the public chain has the advantages of open source, decentralization, and wide ecological scenarios, and is also more conducive to global promotion and layout. However, due to various reasons such as technology, capital, and time, the industry’s public chain research situation is generally not optimistic.

The three most well-known public chains in the industry, the Bitcoin public chain, the Ethereum public chain, and the EOS public chain, all have different problems. The closed system of the Bitcoin public chain forms an island of value, which cannot be solved by a hard fork; the problems of Ethereum transaction congestion and excessive handling fees are always difficult to solve; and within EOS, due to insufficient ecological scale, it is difficult to support excellent ecological applications. At the same time, the CPU Problems such as skyrocketing and insufficient memory gradually emerged.

In short, in order to determine whether a public chain is reliable, you need to understand whether the operating logic of its public chain network itself is stable, whether its ecological structure capacity is sufficient, whether its community consensus is strong, and whether its applications Whether the scene has long-term hematopoietic function, etc. Of course, the blockchain industry is currently in the development and exploratory stage, and it will take time to prove a reliable and stable public chain.

㈦ Comprehensive interpretation of blockchain and Bitcoin, teach you to understand the relationship between the two, and be prepared for any danger

When talking about blockchain, the word "Bitcoin" is often inseparable. Because today's cryptocurrencies are all issued in the name of blockchain, some people easily confuse the two concepts. Next, Kelian Cloud Technology will comprehensively explain the difference between blockchain and Bitcoin and teach you to understand the relationship between the two.

Blockchain is a distributed account. Simply put, it is a decentralized ledger that can be viewed and joined by many people. For example, each block is equivalent to each knot on a rope. When each new transaction enters the blockchain, it means that something has happened. To mark the occurrence of something, a symbol will be used. Tie a knot and record detailed information on the specific knot.

Bitcoin uses blockchain to realize value storage and transactions. In addition, the technical difficulty of the blockchain itself is not the most difficult. The most difficult thing is its application scenarios and the regulatory issues it will face. .

There are three classifications of blockchain, namely public blockchain, private blockchain, and joint blockchain; the other classification is without authority and permission.

Therefore, cryptocurrencies use blockchain technology, but blockchain technology is not exclusive to cryptocurrencies

When the financial crisis came, some investors chose to invest in cryptocurrencies., in order to avoid corresponding asset risks. Thanks to the mechanism of blockchain to solve trust problems, this technology has been applied in financial management and transactions. The main manifestation is that blockchain can track various types of transactions and can also play a role in anti-counterfeiting and traceability in various scenarios. Issues such as copyright, trademark, and academic fraud have been exposed.

In addition, blockchain technology can also simplify transactions, make the entire transaction process open and transparent, and track every link of the transaction event to ensure that both parties have a certain degree of trust.

When "mining", the open source blockchain network can ensure trust and has the characteristics of being non-tamperable. When the networked computers undergo sophisticated algorithms, the correct answer comes out, and the "absentees" You will get mining rewards and can use servers all over the world, but the whole process is still very energy-consuming.

It may be this misunderstanding that causes the public to confuse the concepts of Bitcoin and blockchain. Although more than 90% of current blockchain projects have issued coins, there are very few projects that can actually be implemented. In addition, the crazy mining practice of Bitcoin wastes graphics cards and electricity to a large extent.

Bitcoin is an open source version of blockchain technology, that is, a network developed for everyone. It is popular for its decentralization advantages. However, as a public blockchain, Bitcoin However, mining consumes a lot of computing power, resulting in serious power consumption in many countries.

Therefore, for an emerging technology, it is best not to blindly trust or invest in it. Only by recognizing its true purpose can you see everything objectively and be prepared.

What exactly is the blockchain?

From the perspective of its application, the blockchain concept is a distributed shared ledger and database with the characteristics of decentralization, The files cannot be tampered with, leave traces throughout the process, can be traced, are collectively maintained, and are open and transparent. Blockchain originated from Bitcoin, and the first blockchain was born on January 9, 2009.

Definition of blockchain

Blockchain can currently be divided into public blockchain, joint blockchain and private blockchain. Public blockchain means that any individual or group can send transactions, and the transactions can be effectively confirmed by the blockchain, and anyone can participate in its publicity process. As the name suggests, joint and private blockchains refer to a combination of multiple individuals or groups, and an individual or a company has exclusive write access to the blockchain. Basic difficulties