区块链与互联网技术比较,区块链与互联网的本质区别是什么?

近年来，随着科技的发展，互联网技术和区块链技术的发展受到了越来越多的关注。但是，区块链与互联网技术有着本质的区别。

首先，互联网技术是一种网络技术，它是一种全球性的网络，它将世界各地的计算机系统连接在一起，使得用户可以在不同的地方进行交流和共享信息。而区块链技术则是一种分布式数据库技术，它是一种分布式账本技术，它可以记录所有参与者之间的交易，并且这些交易是不可篡改的。

其次，互联网技术是一种中心化的技术，它的数据是由一个中心服务器来管理的，这意味着所有的数据都是由这个中心服务器来控制的，这样就容易受到外部干扰。而区块链技术是一种去中心化的技术，它的数据是由多个节点来管理的，这意味着，数据是由多个节点来分布式存储和管理的，不容易受到外部干扰。

再者，互联网技术是一种开放的技术，它的数据是可以被任何人访问和查看的，这意味着，互联网技术的数据是不安全的。而区块链技术是一种封闭的技术，它的数据是受到保护的，只有拥有访问权限的人才能够访问和查看，这意味着，区块链技术的数据是安全的。

最后，互联网技术是一种透明的技术，它的数据是可以被任何人追溯的，这意味着，互联网技术的数据是不安全的。而区块链技术是一种不透明的技术，它的数据是不可以被追溯的，这意味着，区块链技术的数据是安全的。

综上所述，区块链与互联网技术本质上是有区别的，它们的区别在于：互联网技术是一种中心化的技术，而区块链技术是一种去中心化的技术；互联网技术是一种开放的技术，而区块链技术是一种封闭的技术；互联网技术是一种透明的技术，而区块链技术是一种不透明的技术。

因此，我们可以看出，互联网技术和区块链技术有着本质的区别，它们各有优势，可以更好地满足不同的需求，为我们的社会发展带来更多的便利。

⑴ What is the difference between the Internet of Things, blockchain, and big data

What is the difference between the Internet of Things, blockchain, and big data
In the near future, The number of IoT devices will explode. It may be hundreds of billions or trillions. If such a huge network is still managed in a centralized networking mode, the investment and maintenance of the data center infrastructure should be unnecessary. The method is estimated.
In essence, big data is a small branch of the database, so this problem can be attributed to the relationship with the database. Database is actually a very old research field in software, the Internet world, and the IT world. From the initial file system to the ER model, it later led to the three major achievements of traditional databases that everyone knows: relational model, transaction processing, and query optimization. , until the rise of the NOSql database after the Internet became popular, database technology continued to develop and change, including semi-structured, text, voice and other unstructured data processing represented by XML, etc.

The relationship between blockchain and database seems to be just such a relationship. From the evolution of database technology, we can find that it always comes from how to meet new business needs. And then create new technologies for processing these data. For example, from the beginning of the file system, why do we need this model of ER? Because of the development of the financial industry, everyone has further needs for these fast accounting, high-concurrency data writing and access, which has led to The emergence and rapid development of the entity relationship model. Why did the NOSql database appear later? It is because the rapid development of the Internet has put forward higher and updated requirements for databases, so essentially we believe that the entire Internet is a large database.
Things are always evolving. Of course, after we solve the massive real-time data processing problems on the Internet through technologies such as NOSql database and cloud storage, the next problem must come, and that is how to solve it in a large-scale manner. Authenticity and validity of data.
For example, it may be related to our diet. From the issue of food and clothing at the beginning, to the issue of nutritional structure, and then to the food safety issue that everyone is concerned about, the development of the database is actually the same. When we pass the ER entity relationship Model, when the problems of data storage and data access can be well solved through the NOSql database, the next thing everyone should be concerned about and solve must be the issues of authenticity and validity.
So at this stage, these technologies represented by blockchain are definitely a new starting point and new requirements for data that are authentic, valid, unforgeable, and cannot be tampered with compared to the current database. . We can clearly feel that the integration trend of database and blockchain is actually very close and unstoppable, just like the movie and content production direction just mentioned began to develop in the direction of virtual reality and augmented reality; from the perspective of database ,districtBlockchain is a new way of organizing data. We believe that big data and blockchain are two integrated.

⑵ How to view blockchain technology correctly

From a technical perspective, blockchain is likely to be a major technological revolution after the Internet. Currently, major corporate giants around the world are working hard on the research and application of blockchain technology. SAP opened a pilot version of the blockchain project in May last year. Banks in Japan and South Korea have just begun testing blockchain technology. Tencent has registered the trademarks "Ether Lock" and "Tencent Ether Lock". In April 2017, Tencent released the "Blockchain Solution White Paper" and announced that Tencent's blockchain industry solutions with independent intellectual property rights were also officially released on the official website. The network has launched the blockchain open platform "BaaS", which is a project based on blockchain technology independently developed by the network. It mainly helps enterprise alliances build their own blockchain network platforms.

Xu Weihong, chief economist of AVIC Securities, believes that the concept of blockchain has been proposed for a long time. This round of being touted by speculators in the A-share secondary market originated from Bitcoin. Hype on a global scale. Participants do not care about the technical value of the blockchain, but they care about how much profit and water they can get from the existing "seigniorage" by creating digital currency through the blockchain. Some institutional investors even hope to use their professional judgment and ability to control market sentiment to "cut leeks" from the large amount of blind influx of social funds. In view of the recent rise of the blockchain concept, all parties concerned must remain sober. Financial exchanges and intermediaries must stay awake and reduce unnecessary advertising to mislead small and medium-sized investors, and ordinary people must also stay awake.

⑶ Why are major Internet companies doing blockchain?

Because the design of blockchain is a protective measure, such as (applied to) highly fault-tolerant distributed computing systems . Blockchain makes hybrid consistency possible. This makes blockchain suitable for recording events, titles, medical records and other activities that require data collection, identity management, transaction process management and provenance management. Blockchain has huge potential for financial disintermediation and has a huge impact on guiding global trade.

Extended information:

1. Blockchain is a new application model of computer technologies such as distributed data storage, point-to-point transmission, consensus mechanism, and encryption algorithm. . The so-called consensus mechanism is a mathematical algorithm that establishes trust and obtains rights and interests between different nodes in the blockchain system.

2. Blockchain is an important concept of Bitcoin. It is essentially a disintermediated 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 its information (anti-counterfeiting) and generate the next block.

3. Blockchain - the original blockchain is a decentralized database that contains a list called blocks, which continues to grow and arrangeNeat records. Each block contains a timestamp and a link to the previous block. The blockchain is designed so that the data cannot be tampered with. Once recorded, the data in a block will be irreversible.

Reference: Blockchain - Network

⑷ What are the differences between blockchain and the Internet

Blockchain is essentially decentralized The ledger system is decentralized, open, information cannot be tampered with, and is programmable. It can be used as the underlying storage and transmission protocol of the Internet of Value. Blockchain is expected to lead us from personal trust and institutional trust to the era of machine trust. The consensus mechanism is the core of regional chain construction. Digital currency is just the beginning. Blockchain can change more. It can reshape the world's trust system and solve many problems in the past where the cost of trust was too high.
As an analogy between blockchain and the Internet, they have one core difference: the values ​​of the underlying protocols and upper-layer applications of blockchain and the Internet are completely reversed. Mainly due to the two core characteristics of the blockchain:

The first characteristic is that zero-knowledge proof causes changes in data ownership. In other words, the user's personal data on the blockchain belongs to the user and does not need to be provided to the application and stored on a central server. Then Internet application layer services, such as BAT, the core supporting "data" behind the market value, have lost their original value in the blockchain field.
Another feature is the economic incentive model brought by tokens, which gives extremely high value to the underlying protocol. In the Internet era, no one paid for the http protocol, no one paid for sending and receiving emails, and no one paid for Google's search services.

⑸ Why is the blockchain said to be ten times faster than the Internet

The data transmission speed and efficiency of the blockchain are faster than the Internet model, and the effect is geometrically increased. Therefore, it is said that the blockchain is ten times more powerful than the Internet.

⑹ What disruptions does blockchain bring and why can it become a national strategy?

The disruptive characteristics of blockchain lie in the following four aspects: 1. Transparency. The data records of the blockchain system are transparent to the entire network nodes, and the update operations of the data records are also transparent to the entire network nodes. This is the basis for the trust of the blockchain system. Since the blockchain system uses open source programs, open rules and high participation, blockchain data records and operating rules can be reviewed and traced by nodes throughout the network, with high transparency.
2. Openness. The blockchain system is open. Except for the private information of the parties directly related to the data, which is always encrypted, the blockchain data is open to everyone (except for blockchain systems with special permission requirements). Anyone or participating nodes can query blockchain data records or develop related applications through public interfaces, so the entire system information is highly transparent.
3. Information cannot be tampered with. Once the information of the blockchain system is verified and added to the blockchain, it will be permanently stored and cannot be changed (private information with special change requirementsExcept for systems such as blockchain). Unless more than 51% of the nodes in the system can be controlled at the same time, modifications to the database on a single node are invalid, so the data stability and reliability of the blockchain are extremely high
4. Decentralization. Decentralization is the most basic feature of blockchain, which means that blockchain no longer relies on central processing nodes and realizes distributed recording, storage and updating of data. In a traditional centralized network, attacking a central node can destroy the entire system. However, in a decentralized blockchain network, attacking a single node cannot control or destroy the entire network or more than 5% of the nodes in the network. It's just the beginning of gaining control. 2019 is the first year of commercial application of blockchain technology, and favorable policy incentives will make the development of blockchain technology more stable.
As the application of blockchain technology gradually penetrates into many fields such as digital finance and the Internet, everyone has a clearer understanding of the value of blockchain.
Blockchain has formed a global competition situation. All countries are seizing development opportunities, and China cannot lag behind; therefore, it is understandable that blockchain has become a national strategy.

⑺ What are the differences between blockchain and the Internet of Things

Internet of Things technology allows tangible objects used in daily life to be connected to the Internet, transmit data through algorithms, and better serve Customers provide services. The most intuitive manifestation of the current rapid development of IoT technology is the proliferation of smart devices such as televisions, furniture, and vacuum cleaners. Currently, there are already smart homes that are entirely operated by built-in algorithms.

Blockchain is a new application model of computer technologies such as distributed data storage, point-to-point transmission, consensus mechanism, and encryption algorithms.

The distributed nature of blockchain means it is resistant to most security issues. Blockchain systems’ advanced encryption provides better protection against hackers than traditional client-server systems. This is why online transactions using virtual currencies are very safe.

⑻ Why do I say that blockchain technology will change the future of social e-commerce?

Why do I say that blockchain technology will change the future of social e-commerce?

1. What problems does blockchain technology solve?

“People often ask me recently, everyone knows that blockchain makes money, but can you tell me in one sentence, blockchain What problem does this technology solve?”

Although many people know that blockchain technology supports the operation of Bitcoin, when it comes to what problem it really solves, or what blockchain has created What is the value? Many people in the industry are speechless. Because of the ultra-high money-making effect, everyone cannot calmly look at this industry or even this so-called ecology from an investment or technical perspective.

Recently, when I interviewed some "old people in the currency circle", I got a better answer.

“Blockchain technology is the first time in human history that the problem of trust between people has been solved through technical means.”

Through blockchainDue to the characteristics of the chain, we can achieve complete non-tampering, traceability, transactions through smart contracts, etc. Therefore, in theory, everything that needs to solve the problem of trust between people through technical means will most likely require blockchain technology for development and innovation.

2. The Internet era gave birth to social networking and e-commerce

The Internet is a problem in which humans have greatly optimized information transmission through technical means. In the Internet era, business models are roughly divided into three major modules: advertising, e-commerce, and games. Therefore, in the Internet era, there is no doubt about the rise of e-commerce and social networking.

Taking the current highly competitive e-commerce industry as an example, Alibaba and JD.com are both leaders in the field of e-commerce. The e-commerce industry in mainland China has realized e-commerce in the Internet wave. 17 years of explosive development in the business field. WeChat, the largest social software in China and the second largest in the world, has also become an industry leader.

The current Internet industry has gone through the baptism of time, and an obvious oligarchic effect has been formed after the great waves. Today, every oligarch in the e-commerce market has become an industry heavyweight. Of course, there are also situations where it is difficult for a large ship to turn around. In this state. All e-commerce companies are looking for new directions to break through. And many people are eyeing the social e-commerce field of cross-border cooperation.

The two major representatives of social e-commerce are e-commerce based on the Weibo and WeChat ecosystems. At present, the total market share of social e-commerce has reached as high as 14%-20%

Although many people say that the biggest application of blockchain is currency speculation, SEC and other The launch of the project indicates that blockchain technology has the potential to improve the current status of the industry. It is precisely because there are many teams like the SEC that find the integration point between technology and industry and solve the key problems of the industry, which will be the research direction and consensus of the overall blockchain in the future.