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① What risks does the blockchain face that need to be addressed

Although the blockchain industry is experiencing rapid development driven by the influx of capital and talent, as an emerging industry, its frequent warnings about security vulnerabilities have triggered concerns about blockchain risks.

Yu Kequn, director of the National Information Technology Security Research Center, pointed out that the emergence of blockchain has brought a lot of expectations to people regarding issues such as privacy exposure, data leakage, information tampering, and online fraud. However, there are still many challenges in the security of blockchain.

Li Bin, assistant director of the China Information Security Evaluation Center, analyzed that the current blockchain is divided into three types: public chain, private chain, and alliance chain. No matter which type has different advantages in algorithms and protocols, There are security challenges in many aspects such as , usage, time limits and systems. What is particularly critical is that the current blockchain is still facing the 51% attack problem, that is, a node has the ability to successfully tamper and forge blockchain data by mastering more than 51% of the calculation examples in the entire network.

It is worth noting that in addition to the risk of external malicious attacks, the blockchain also faces the threat of its endogenous risks. Yu Kequn reminded that how to build a complete secure application system around the equipment, data, applications, encryption, authentication and permissions of the entire blockchain application system is an important issue that all parties must face.

Wu Jiazhi also analyzed that as an emerging industry, practitioners in the blockchain industry lack security awareness, resulting in the current blockchain-related software and hardware having a low security factor and a large number of security vulnerabilities. In addition, , there are many links in the entire blockchain ecosystem. In comparison, the relevant security practitioners are dispersed and it is difficult to form a joint force to solve the problem. Meeting the above challenges requires systematic solutions.

Content source: China News Network

② What are the risks in the application of blockchain technology in the banking industry?

The first is the risk of immaturity of new technologies; the second is the risk of new and old technologies Managing risks under model parallelism. The third is the regulatory risk caused by the asynchronous application of blockchain technology by banking institutions. For other related information, it is recommended that you familiarize yourself with the official public account "SMIC Blockchain Service Platform"

③ Does blockchain have compliance risks?

Yes, blockchain technology Applications may involve compliance risks.
First of all, in some countries and regions, governments or regulatory authorities may take different stances on digital currencies and other assets based on blockchain technology, and there will be a certain degree of legal, compliance and policy risks. . For example, some countries restrict or prohibit the use of digital currencies and other Bitcoin or blockchain derivatives. Therefore, when choosing the scope of application of blockchain technology, the local legal and regulatory environment needs to be considered.
Secondly, there are trust issues between participants in private chains or alliance chains, and there are also compliance risks in the construction of trust mechanisms. For example, in the financial field, banks or other financial institutions need to consider which trust model to use when using blockchain technology to comply with social ethics and potential legal requirements. forMoney-related transactions must also meet legal requirements such as anti-money laundering and counter-terrorism.
In addition, due to the immutable and public nature of blockchain technology, it may inadvertently leak personal privacy, business secrets and other confidential information, causing privacy data leaks and security risks.
Therefore, enterprises and technology companies should carefully assess potential compliance risks and formulate appropriate compliance security measures, such as complying with legal and regulatory requirements, establishing a sound privacy protection mechanism, and strengthening privacy data protection in multiple dimensions. To ensure compliance and data security of blockchain technology applications.

④ Is blockchain safe?

Hi, everyone, I am your Q&A assistant—Zi Xiaochen. Recently, blockchain resistance has been widely concerned and discussed. But there are many people who don’t know much about its safety. So today we will talk about the security issues of blockchain.
First of all, would you like to hear an easy-to-understand metaphor? A friend of mine joked: "Blockchain is like a password lock. Without a password, no one can open it." Although this is simple and interesting, it makes a lot of sense. Since the blockchain uses distributed ledger technology, data is stored in a huge network, and the transmission between each node uses asymmetric encryption, the blockchain has extremely high security, and third-party attacks are very vulnerable. difficult.
Secondly, of course there are some security issues that need attention. For example, hacker attack methods such as "51% attack" can pose a threat to the blockchain. In addition, there are also security risks in virtual currency trading venues, such as Bitcoin exchanges, and you need to pay attention to precautions. Therefore, when choosing a blockchain platform or participating in virtual currency transactions, you need to know more and consider carefully to avoid losses.
In short, blockchain is an open technology, which has huge advantages in ensuring data security and preventing tampering. But we also need to be alert to potential security risks and choose reliable platforms and exchanges to participate in cryptocurrency investments.
I hope my answer can help you better understand the blockchain and its security issues. If you have any questions or want to share your experience, please feel free to message me privately! Finally, don’t forget to like, comment and forward, follow my articles, more content is waiting for you!

⑤ How is the security of blockchain? What are the risks of blockchain?

The hottest topic at the beginning of the new year is blockchain, but there are many more. People are skeptical about its security and risks, so how about the security of blockchain? What are the risks of blockchain? Below we will give you the answers one by one. I hope it will be helpful to you after reading them.
How is the security of blockchain Anyuan?
First of all, blockchain is a distributed database technology. Distributed technology mainly refers to storage architecture. The distributed architecture adopted by the blockchain not only stores the ledger data on each node, but also each node must contain the data of the entire ledger. This thoroughly distributed architecture brings extremely high security.Someone can destroy all nodes at the same time.
Secondly, blockchain technology can achieve tamper resistance through "blocks" and "chains". The unit of data storage in the blockchain is the block. When each block is generated, it must contain the unique "characteristic value" of the previous block (which can be regarded as the ID card of the block). Each block is generated strictly according to the The order of time is lined up to form a "chain".
Security is a major feature of blockchain technology. However, from the perspective of privacy protection, the block chain emphasizes openness and transparency, and any node has the right to operate according to the consensus algorithm, so it is not suitable for scenarios where data privacy needs to be protected.
What are the risks of blockchain?
1. Technical risk: For example, the launch of Ethereum was once popular, but because it is a digital currency with smart contracts, it brings the risk of hacker attacks due to possible loopholes in smart contracts. THEDAO, the largest crowdfunding project in Ethereum, was hacked and lost more than $60 million.
2. Legal risks: The legality issues of digital currency issuance, notarization and confirmation of rights, and legality issues of evidence, including legality issues of smart contracts, digital bills, accounting and liquidation, and equity crowdfunding, are currently in my country and The rest of the world is still legally blank.
3. Crime risks: Using digital currencies to abscond with the money, using digital currencies to launder money and illegal gambling, using smart contracts and digital bills designed to defraud profits, using blockchain technology to commit anonymous crimes, etc. Due to the current regulatory gap, there may be huge criminal risks.
The above is what the editor brings to you. How about the security of blockchain? What are the risks of blockchain? of the entire content.

⑥ What are the main risks of supply chain blockchain

Main risks include technical risks, compliance risks, privacy risks, ecological risks, etc.

⑦ What is blockchain ICO/private equity? Where are the risks of ICO and how to make 100-fold returns

ICO: initial coin offering, also called the public offering and sale of tokens, corresponding to the IPO of the stock market . Just like the blockchain technology itself, ICO is a new financing model of the blockchain that allows everyone to become a "shareholder" of the project. Holding tokens is equivalent to holding equity. After the token sale is completed, trading will usually begin on the exchange. ETH is the first successful ICO project using BTC. The general way to participate in ICO is ETH or BTC. In the early days, BTC financing was more common, but now it is basically ETH. ETH is the hard currency of ICO.

Private placement: Blockchain projects that generally do not participate in public offerings, only a small number of institutions or funds have quotas.

Tangtang has been participating in the blockchain ICO since March last year. At that time, it was nicknamed the "Yunbi Entertainment City". The "Jubi Casino" was selling new coins every day, and almost everyone was 5-100 times, and the daily fluctuations are several times or dozens of times. 9.4 Country on ICDue to the risk of O, many ICOs have had their coins withdrawn, major exchanges have been forced to close or even go overseas, and some project developers have even been warned. The price of many ICO coins has almost halved and then halved, reaching the cost price of the ICO.

But facts have proven that many projects that had their coins refunded basically increased 10-20 times during the bull market in December 2017 and January 2018. Many people undoubtedly broke their legs. Generally speaking, investment projects are much more stable than currency speculation. Due to market fluctuations, it is difficult to hold on to currency speculation, such as 94. Many of Tangtang’s friends cut their shares and left the market with losses.

So far, Tangtang and my friends have invested in at least dozens of projects, and have experienced things like Hero Chain Runaway, Mondo Scammer, and Fcoin Hundred-fold Coin. Overall, we have experienced a lot. There have been many pitfalls and many rewards. The overall return in 2017 was about 10 times. Since January 2018, the investment projects have basically achieved zero break-through, and all have achieved good results of at least 3 times.

Tangtang believes that the main risks of blockchain ICO are:

1. Teams running away: Many teams are small workshops with low visibility or even non-existence, white paper It’s also a matter of piecing everything together, and you can even do Taobao ghostwriting for a few hundred yuan

2. Agent investors run away: There are many unscrupulous agents. If the currency has multiplied many times on the exchange, they will tell you that you didn’t invest. If it breaks, I will give you tokens. Some proxy investors even run away directly with ETH, which has ruined the industry atmosphere.

3. The white paper cannot be fulfilled: The road map in the white paper determines the future development direction of the team. Many project parties have no intention of completing the project at all, and the road map inside is basically written in random order. In addition, those projects that directly specify which exchange to list on are basically scammer projects. Many exchanges have agreements with the projects. They are not allowed to leak the information until the listing is announced, otherwise the qualification for listing will be cancelled.

4. Blockchain technology: Ordinary people do not understand the underlying technology of blockchain, do not understand the necessity of using blockchain in this project, and cannot identify the technical level of the project. For example, GitHub does not will see.

How to make a hundredfold profit:

Tangtang discovered that the primary market (ICO/private placement) and the secondary market (coin speculation) are mutually transformed. When the primary market breaks down seriously, everyone will go to the secondary market to speculate in coins. When the secondary market becomes more and more difficult to play, everyone will return to the primary market to hunt for gold. After September last year, there were basically no projects in ICO. Everyone was speculating on coins. As a result, after the bull market came, most of these very few ICO projects were more than 10-20 times higher. ICO was very popular in December last year. As a result, when it was launched in January, many coins broke and many people went to the secondary market to speculate in coins.

Therefore, in fact, the bear market is an investment projectIt's a good time. When the project comes online, it will probably be a bull market, and you can basically make a lot of profits.

However, the popular projects are basically reserved by large institutions, and retail investors can only have access to ordinary projects, and the risks of ordinary projects are slightly higher. Therefore, most people can only participate in investments with institutions.

To this end, Tangtang and her friends have opened up the ICO section to identify and screen good blockchain projects for everyone to participate in investment. We have a professional blockchain technology team to analyze the feasibility of the project, and will also conduct on-site inspections of blockchain projects. If there are big names in the blockchain currency circle, we will also seek verification from them. Let the scammer projects have no way to hide. For high-quality and popular blockchain projects, our organization will directly contact the blockchain project parties to get the best ratio and the largest quota.

⑧ Can you make money by investing in blockchain now? Is it risky? How big is the risk?

First, there is the risk of absconding with money, and the assets raised lack auditing and custody. Now a standard ICO is like this. A white paper is issued for everyone to read, and then it is over as soon as it is launched. There are still many potential rules. For example, in the past few years, there were many situations where an ICO project came out, everyone invested a lot, and then disappeared after it was completed. So far, this is still the case. Therefore, there is still the risk of the project proponent absconding with the money.
Second, the risk of over-commitment. The traditional IPO is that the company has to do well, and everyone can see it clearly when I go to sell it. With ICO, I write a few pages of paper to talk about what I plan to do and what functions I want to achieve, and then everyone gives me the money. Whether it can be implemented well is actually a question mark.
Third, there is the risk of overvaluation. At present, a very detailed or convincing pricing mechanism has not yet been formed. It is more up to the project initiator to generate a pricing based on the needs of the project development or their own understanding. There may be the so-called periodic inflated investment problem.
Fourth, investors are too optimistic. Investors may see more space for future ICO projects, but in fact, in the long run, there is no sustained huge profit.
Fifth, project management and stock risk make it difficult for investors to control the project. After the project is completed, there is often a certain development cycle to follow. How will the project be developed and how will it be promoted? Very few ICO projects can lay out very clear future development plans. This means that what investors can do after investing their money is actually beyond their control.