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1. What are the applications of dapp blockchain, and what are the practical applications of blockchain?

Hello, I am Naughty Bag, the editor of Blockchain Blue Ocean, I am very happy to be able to To answer your question. In your statement, a total of 2 questions were asked, and we will answer them one by one.

It can be said that we are still in the exploratory stage of blockchain technology. How can some technical principles be applied? In other words, how to realize implementation value? It is also necessary for individuals to improve their comprehensive understanding of the blockchain through professional learning and training in order to fully grasp the opportunities.

It is recommended that the questioner can go to a professional education platform like "Blockchain Blue Ocean" to comprehensively improve themselves through science popularization, industry development trends and other aspects.

2. Blockchain payment system development company, USDT acceptance payment

Blockchain technology has five characteristics: decentralization, non-tamperable information, collective maintenance, reliable database, and openness and transparency. , has the natural advantages of transparency, security and credibility in payment. As a new technology leading global industrial changes, blockchain payment has become a hot topic at the moment.

The blockchain acceptance payment application model actually uses the blockchain network to add traditional financial institutions, foreign exchange market makers, liquidity providers, etc. to the payment network to build a payment gateway. Through the payment gateway, the flow of digital assets on the blockchain can be connected with the legal currency in reality, so that legal assets can be converted into digital assets on the blockchain to facilitate subsequent payment transfers.

Currently USDT has two main uses in the entire market:

One is as a token to trade digital currencies;

The other is in digital currency When currency prices fall, buy them for hedging purposes to avoid losses caused by the collapse of digital assets. Currently, USDT can be purchased on most trading platforms. Users can hold USDT for currency transactions and purchase currencies such as Bitcoin and Ethereum. On the other hand, users can also exchange the digital currency in their hands into USDT through currency-to-crypto transactions, and then cash it out into legal currency over the counter.

The role of blockchain payment system development products:

1. Users: need to resolve the deposit platform. After the platform is connected to the USDT payment system, platform users can use the same payment process as ordinary You can pay directly using other payment methods such as Xinbao, Xinxin and cards.

2. Acceptor: A unit or individual that holds coins or funds. After the acceptor receives the information from the payment platform, it pays the corresponding USDT to the payment platform.

3. Operation platform: The payment platform operator mainly handles platform maintenance matters and handles some problems that arise in the payment process between users and acceptors.

What problems can the blockchain payment system solve?

1. You can give it to yourselfIntegrate the payment system section into the operating project platform, such as the C2C acceptor transaction section. Be your own acceptor to handle the deposit issue.

2. If you do not have the strength to be an acceptor or are worried about triggering bank risk control, you can choose to find an existing payment platform or acceptance platform to connect their payment, or cooperate with an over-the-counter trading platform . However, this has advantages and disadvantages.

3. If you have the strength, you can choose to build your own blockchain payment platform system, which can not only solve your existing project deposit problems. You can also connect them with other platforms or projects on the market that require payment.

3. What are the technical applications of blockchain

Original title: Analysis of market status and development trends of China’s blockchain industry in 2019 and widespread application to accelerate the construction of digital China

Blockchain The industry as a whole is entering the 3.0 stage, accelerating the process of Digital China and making great contributions

my country's blockchain industry has developed after ten years. Basically, a relatively mature industrial chain has been formed. Under the conditions of national policy promotion and increasing demand in downstream application fields, the market size of my country's blockchain industry continues to develop, with high geographical concentration and obvious industrial cluster effects. As the maturity of blockchain technology continues to increase, the blockchain industry is entering the 3.0 stage as a whole, with good performance in finance, logistics, copyright protection and other fields, making a huge contribution to promoting my country's digital construction and accelerating the process of Digital China. the power of.

Blockchain industry industry chain analysis: Many downstream application fields have huge development potential

From the perspective of the industry chain, my country's blockchain industry includes upstream hardware, technology and infrastructure; midstream Blockchain application and technical services;

Downstream blockchain application fields and other links. Upstream hardware, technology and infrastructure mainly provide necessary hardware, technology and infrastructure support for blockchain applications. Among them, hardware equipment includes mining machines, mining pools, chip manufacturers, etc.; general technologies include distributed storage, decentralization transaction, data services, distributed computing and other related technologies.

Downstream application fields include the combination of applying blockchain technology with existing industries, mainly including the financial industry, logistics industry, copyright protection, medical health, industrial energy and many other fields. As an emerging technology, blockchain There are many downstream application fields and huge development potential.

Midstream blockchain applications and services include basic platform construction and the provision of technical service support. The basic platform construction is divided into general basic chains and vertical domain basic chains; technical service support includes technical support and service support. Support is similar to upstream related technologies, and is responsible for providing buyers with a series of technical support based on blockchain products such as blockchain security protection; service support includes a series of services such as digital asset trading venues, digital asset storage, and media communities.

Blockchain industry industry chain analysis

Source: Compiled by Qianzhan Industry Research Institute

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my country’s Internet giants have also deployed in the blockchain industry. The main entry point is the application of blockchain technology in the financial field. Most of Alibaba, Internet, Tencent, JD.com, 360 and other companies apply blockchain through their own financial companies. Technology launches a new model of blockchain + finance and broadens the application scenarios of blockchain technology.

Analysis of development trends of my country’s blockchain industry

1. With the continuous development of my country’s blockchain technology and the continuous expansion of blockchain application fields, my country’s blockchain industry will It will appear that blockchain has become the forefront of global technological development and opened up a new track for international competition;

2. The blockchain field has become a new hot spot for innovation and entrepreneurship, and technological integration will expand new application space;

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3. Blockchain will be widely implemented in the real economy in the next three years and become an important support for the construction of Digital China;

4. Blockchain will create a new platform economy and open up a new era of sharing economy. Times;

5. Blockchain accelerates the process of "trusted digitization" and drives finance to "shift from virtuality to reality" to serve the real economy;

6. Blockchain supervision and standard system It will be further improved and the foundation for industrial development will continue to consolidate the six major development trends.

4. How to combine the membership ecology of the blockchain + mobile mining + point realization

Fangwei blockchain member ecology rights and interests pass, opening up member data on multiple platforms, Integrate points from various platforms so that points from different sources can be queried, managed and used in a variety of scenarios on the same platform. Help enterprises to divert users scattered on various platforms to the same platform.

5. How popular is blockchain?

Blockchain, a great technology that accompanied the birth of Bitcoin, is currently used in the financial field to significantly reduce transaction costs and improve Efficiency is enough to excite Wall Street. However, this is just the tip of the iceberg. Its potential applications are very broad and will subvert every aspect of our lives in the future.

Simply put, Blockchain is similar to a ledger that records all Bitcoin transaction information. This ledger is stored on various Bitcoin nodes on the Internet, and each node has a complete backup. The ledger is stored in blocks, and each block contains a portion of transaction records. Each block records the ID of the previous block, forming a chain structure, so it is called a blockchain. When you want to initiate a Bitcoin transaction, you only need to broadcast the transaction information to the P2P network. The miners record your transaction information as a new block and connect it to the blockchain, and the transaction is completed.

To sum up, the biggest feature of Blockchain is decentralization. There is no centralized hardware or management organization in the entire network. The rights and obligations between any nodes are equal, and any node is not damaged. Or losing it will not affect the operation of the entire system.

The second feature is trustlessness. Participate in every node in the entire systemThere is no need to trust each other for data exchange between nodes. The operating rules of the entire system are open and transparent, and all data content is also public. Therefore, within the rule range and time range specified by the system, nodes cannot and cannot deceive other nodes. .

The third feature is to break information asymmetry. Blockchain's ledger technology will reflect all information, similar to an open and transparent credit reporting system for the whole society, breaking any asymmetric information in all societies.

These three characteristics alone are enough for Blockchain to subvert our current lives. The financial industry is one of them.

Introduction to Bubi Blockchain

Bubi Blockchain has been focusing on the R&D and innovation of blockchain technology and products since its establishment, and has a number of core technologies. It has made substantial innovations in many aspects and formed a number of core technical achievements, such as: mathematically provable distributed consensus technology, fast large-scale ledger access technology, multi-chain general ledger technology that supports business expansion, and heterogeneous ledger technology. Construct interconnection technology between blockchains, etc. On April 25, "Gege Points" introduced the concept of blockchain into the points system, jointly opened it up with multiple parties, issued and redeemed points, and promoted the circulation of points. Each cooperative institution can jointly participate in transaction verification, ledger storage, and real-time settlement; the third-party payment platform of the enterprise points issuer makes the entry and exit of points more flexible. Bubi has developed its own basic blockchain service platform, which has been applied in equity, supply chain, points, credit and other fields. Bubi has been committed to building an open value circulation network with decentralized trust as the core, allowing digital assets to flow freely.

For example, our common inter-bank clearing systems, securities settlement institutions and various financial settlement systems follow this principle, but the difference is that these settlement systems are centralized, that is, there is a central server or center The central agency completes the settlement work. If the central agency database is destroyed, the entire settlement will have problems. The Bitcoin settlement system is decentralized and built on the network. We call it the P2P network. It is a decentralized settlement database. The destruction of individual database nodes will not affect the entire Bitcoin settlement network at all, so based on the P2P network The distributed data settlement network is a new financial innovation.

Blockchain technology concept stock? The blockchain is like a database ledger that records all transaction records. This technology has gradually attracted the attention of the banking and financial industries because of its safety and convenience. According to predictions, by 2025, 10% of global GDP-related information will be stored using blockchain technology. Blockchain technology is facing a blue ocean, and related concept stocks have become popular. Among A-share listed companies, it is recommended to focus on leading concept stocks: Feitian Chengxin and Yuyin Shares. As the speculation ferments in the market outlook, other concept stocks are expected to follow suit and rise.

Blockchain stocks? Blockchain technology concept stocks? The stock trading part is very simple, but the clearing andThe settlement process becomes complicated, and blockchain transactions can greatly simplify this part of the transaction.

The convenience brought by blockchain is reflected in stock cash transactions, mainly reducing the time of the clearing and settlement process. Specifically, it means reducing or eliminating erroneous transactions, improving backend efficiency, and reducing settlement time.

6. Is the risk of a blockchain crowdfunding platform like ico365 high? How is it different from traditional crowdfunding platforms?

Any crowdfunding project has a very high risk rate Investment Products.
Blockchain project crowdfunding platforms are essentially the same as traditional equity crowdfunding platforms.
It can be said that blockchain project crowdfunding is a subcategory of equity crowdfunding.
Equity crowdfunding is subject to legal and regulatory restrictions, with restrictions on the number of investors and the amount of investment. Investors also need to undergo investment review. The cost and threshold for ordinary people to participate are relatively high, and the target group is high-net-worth individuals.
Equity crowdfunding has poor liquidity, and it often takes a long time to exit, and even most of the investment in projects seems to be in vain.
Blockchain crowdfunding is a bit similar to universal crowdfunding, because its crowdfunding funds are settled in Bitcoin and are not regulated by laws and regulations. Therefore, there are no excessive requirements on the number of people and investment amount. The investment cost is low but the threshold is relatively high.
Since blockchain projects are based on the underlying technology of Bitcoin, it is difficult for ordinary people to understand it. In fact, it can simply be regarded as a technical method of distributed collaborative work.
There are relatively few successful blockchain projects in the market, so there is no unified reference standard, and projects are completely dependent on personal judgment. Settlement is done in Bitcoin, so if you need to participate, the requirement itself is to accept the high-risk threshold of digital currencies. (There are many projects that cheat money)
Blockchain crowdfunding has good liquidity. Basically, after the so-called "tokens" appear, you can completely withdraw from the transaction. The risk of fluctuation is also very high.
Of course, as a technology being studied by the central bank, blockchain projects deserve attention, but caution is also required. As for the ico365 platform, it is recommended that individuals make their own decisions. The new platform has no reference basis for evaluation.

7. Blockchain wallet scams.

What I want to share with you today is a blockchain wallet scam.

At present, various blockchain projects are flying all over the market. Whichever industry is popular will have which chain and which currency!

These blockchain projects are financial investment projects and are different from the blockchain technology advocated in my country’s key development directions. It is a fund package that uses blockchain technology as a bait for packaging, speculation, hype, and money trapping.

Blockchain is a decentralized super ledger that cannot be copied, falsified, or changed. A technology like this, there are still many practical scenarios used in large companies such as banks, insurance, Alibaba and Tencent.

Many so-called blockchain projects do not have any service targets, so just build a blockchain. Who will they serve? Where will they be applied? It is nothing more than creating a concept. Raise the currency price to make money.

I think there are two types of people who understand human nature best in the world, one is psychologists, and the other is liars. In the eyes of these behind-the-scenes bosses and liars, the new technology of blockchain, mixed with virtual currency, is an excellent story framework that can be used to make money with a little processing.

Those mainstream virtual currencies do not have extremely short cycles and collapse at the speed of light like domestic MLM coins or altcoins. Instead, they fall, rise, rise, rise and fall in a long cycle, just like the stock market. . There is a saying in the currency circle that it is harder to keep money than to be a widow

Therefore, those who have the fantasy of getting rich all day long hold in the hands of these seeds that are said to be able to get rich, but they watch them fall every day. It goes up again and again, up and down again. Isn’t it like sitting on pins and needles? How many ordinary people can sit still?

At this time, the blockchain wallet came into being. “As long as you put the money on hand The virtual currency is deposited in my so-and-so wallet, the capital is guaranteed and the income is guaranteed, and it is quite comfortable to get rich while lying down."

There was once a very popular wallet product that claimed to guarantee principal and provide monthly interest rates as high as 10%-30%. The operation is even simpler than P2P. First deposit the virtual currency into the app account, then turn on the "smart dog" brick-moving mode, and then open the wallet every day and watch the assets rise. That is to say, you can make money while lying down.

Moreover, as long as you use the compound interest investment model and recruit people, the annual return is conservatively estimated to be 700%! If you recruit people to level 10, the rate of return will be 1400%! All fools know that it can Get rich!

Haha, this is the brilliance of a trader. One product can clearly arrange the psychology of leeks!

The wallet, to put it nicely, is called "quantitative trading bricks" "In fact, it is just a disguised fund disk. The essence is fixed rebates. In fact, those traders in the past found that consumer rebates are not easy to use, so they started to package them. Seeing that the blockchain is hot now, they used mainstream coins to make an article. I packaged a wallet and said My wallet has high-frequency cash out and high-frequency trading functions. In the past, you used to use money to buy products, or you gave me money directly. You are worried. Now I don’t want money. You use the money to buy Bitcoins. Then put your Bitcoins in my wallet, and I will give you interest every day of the month based on the amount of coins you put.

Well, Bitcoin is money, and you bought your coins with money. In the end, he may shut down the Internet and run away, then take away all your coins and pay them himself.All exchanges are liquidated.

You want his interest, he wants your principal!

The blockchain wallet model is actually a model that uses fixed rebates to attract investors. The difference is that the deposit is virtual currency. The most typical blockchain wallet is the plus wallet.

For example, after you deposit Bitcoin, you will receive rebates every day. The source of the rebates claims to have smart arbitrage as an income. source, and then return you the platform currency, and then exchange the platform currency with a digital currency in the international market, and then go to Huobi.com to withdraw cash to obtain profits. When you withdraw cash, you will be charged a handling fee. For example, if you withdraw within 28 days, you will be charged a 5% handling fee. If you withdraw after 28 days, you will only be charged a 1% withdrawal handling fee.

It was officially launched on May 1, 2018, and the plus wallet trading platform was launched in October. It collapsed in June 2019. After running for more than a year, this disk package became one of South Korea’s Team operation is actually driven by the Chinese. Six traders have been arrested by the Chinese police. This project has 1 million members participating and the funds involved reach 20 billion yuan.

Judging from the running time, this product has a long existence cycle, which should be beyond the imagination of many people at the beginning. The reasons are:

First, it uses What you invest in is virtual currency, and what you withdraw is also virtual currency. For these mainstream currencies, Leeks have better illusions, thinking that there is still a lot of room for appreciation, and it will be more profitable to keep them. Since it is just a matter of putting it forward, why not continue to put it in the plus wallet to get the profits? To a certain extent, it delays the time of large-scale withdrawals.

Secondly, Plus Wallet spent a lot of money on publicity. One moment it sponsored some blockchain conference, the next it talked about developing new products and launching new systems, and the next it talked about going public. The purpose of this crazy campaign is to exchange time for space.

Let me introduce you to several methods of blockchain wallet in detail:

The first point is that the so-called arbitrage cannot support your subsequent rebate income. .

Because the real income from moving bricks is not a stable income, and it will not be as substantial as he described.

Like the plus wallet, based on the rebate data before the crash, it needs 700 million yuan in rebates every day to continue operating, so this number is astronomical. Obviously there is no way to do smart arbitrage. If you think you can, then you have nothing to do with it. With such high skills in moving bricks, do you still need to rely on rewards to attract people? You can move it yourself, and there are big institutions rushing to invest, so there is nothing to do with you!

Point 2, return the platform to the person in frontThe money is mainly used for rebates from funds coming in from behind, which has exactly the same characteristics as the fixed rebate plate.

If you want a promotion reward system with up to 10 levels, as well as super high rebates, you also have to pay high deposit interest. Therefore, soon the subsequent funds will not be able to keep up with the speed of rebates, and problems will arise in the capital chain. The platform will shut down and run away.

The third point is that the platform currency exchange channel for Bitcoin can be closed at any time. As for when to close, only the trader can decide, so you are faced with huge risks at any time.

Point 4: It is stipulated that you will be charged a 5% handling fee for withdrawals within 28 days, and you will only be charged a 1% handling fee for withdrawals after 28 days. This purpose is to allow you to extend the withdrawal time as much as possible , he can deposit more funds into the capital pool.

Originally, everyone entered the currency circle because it is a decentralized technology. You store the currency in a real wallet, and as long as you keep your private key, no one can take it away from you. assets.

As a result, you hand over decentralized assets to some centralized platforms far abroad.

Let’s analyze it from another angle

The private key is a 256-bit binary code, encoded into numbers and letters. Finally, it is mapped into words to facilitate memory, also called mnemonics.

Some wallets have different mnemonics. The mnemonic phrase for plus is a bunch of random characters. Some wallet mnemonics must be made in Chinese, etc.

In short, the core of the blockchain wallet is to allow you to deposit mainstream currencies into his wallet, and then return to you a lot of their platform coins. Your currency is money, and its currency can only be coins. If you recommend others to come here to deposit coins, you will also get promotion benefits. In fact, you can understand its essence if you think about it. It is the same as getting money back, but it is just using coins. Then I will tell you my capital flow. It is safe. You don’t have to worry about crashing or running away, because I don’t touch the money. Who am I kidding? Coins are not money, right?

If you want your mnemonic phrase to be different, change it. Can it be imported into other wallets? It's definitely not possible. Only your wallet can be used. Doesn't this become a completely centralized platform?