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List of illegal digital currencies in 2019

Publish: 2021-04-20 16:17:26
1.

Digital money is legal

digital currency itself is legal in China. Digital currency is defined as Internet goods in China, but the relevant supervision is still blank, and digital currency is still in the gray area in China. Well known digital currencies include bitcoin, Leyte coin, Ruitai coin, thousand gold card, dog coin, etc

however, there are also some non developers who use the cover of digital currency to carry out pyramid schemes, such as the Vicat scheme, treasure scheme, Porter scheme and so on

development materials:

digital currency is different from the virtual currency in the virtual world, because it can be used for real goods and services transactions, not limited to online games. The early digital currency (digital gold currency) is a form of electronic currency named after the weight of gold. Today's digital currency, such as bitcoin, lightcoin and ppcoin, is an electronic currency created, issued and circulated by check sum cryptography. It is characterized by the use of P2P peer-to-peer network technology to issue, manage and circulate currency. In theory, it avoids bureaucratic examination and approval, so that everyone has the right to issue currency

2. At that time, I was also in the wechat group. Hongfeng and his group broadcast live every day to take you to speculate in stocks. They found a cheater to say that he was a big man and took you to digital currency. Fortunately, I saw the digital currency fraud before and didn't fall for it. But in the end, I lost more than 20000 when I bought stocks. I don't know if they were caught by the police. It's hateful. What's more hateful is that the scam they are searching for now is the advertisement pursued by the law firm, which is estimated to be another scam.
3.

1. Cultural and entertainment chain: the cultural and entertainment chain takes advantage of the characteristics of blockchain, such as decentralization, openness, information tampering, and so on. It claims to build an "IP asset exchange", issue its own token for a high-quality IP, solve the problems of realization, protection, and management of the cultural and creative IP instry, and build a weakly centralized, traceable, digital, and capitalized cultural and creative instry ecosystem. But in fact, when they enter their community, the nature of the swindler will be exposed. They promise to go to the major exchanges such as Shanghuo coin, promise that the opening price will not be less than 2 times of earnings, promise that they will only go up but not go down, promise that they will not break, promise that they will not attract funds, promise to carry out pull propaganda, and hope to raise the vigilance

2. Ant chain (antc): ant chain is antc. It claims to be the token of decentralized digital asset trading system, and publicizes a of antc white paper in various wechat and QQ groups. Many people mistakenly believe that antc is raising money for fraud, There is no investment value at all

the "genuine" ant chain, which has been replaced by an impostor, is a company committed to building an intelligent transportation network through digital assets and blockchain ecosystem. It is located in Boston, USA. however, the company has only launched the ant bike

3. Sharing chain Mall: sharing chain is known as an intelligent, credible, open and decentralized credit data value platform based on sharing economy. It is the underlying structure based on sharing economy built by blockchain technology. As long as consumers shop in the mall, they can get the special benefits of the mall

4. Posevo (POF): posevo environmental protection token, which has been publicized since January 2018, is called POF for short. It has issued 700 million pieces in constant volume and will never be added. The issuing period is 4 years. The development source code is Ethereum erc-20, and the original issuing unit price is 1 RMB / piece. Take static income as an example: angel investment of 1000-20000 yuan. Return 3% of the investment amount every day, ending with a total of 3 times of the investment amount. For example, if the investment is 1000 yuan, return 3% of the investment amount every day = 30 yuan, return 100 days in total, and return 3000 yuan to the investor. It is the pyramid selling mode. After investigation, mesworth token did not use any blockchain technology, nor did it log on to any exchange as mentioned in the publicity

4.
5. Foreign exchange (FX market)
generally refers to various means of payment in foreign currency that can be used for international settlement. Including: foreign currency, foreign currency deposits, foreign currency securities (government bonds, treasury bonds, corporate bonds, stocks, etc.), foreign currency payment certificates (bills, bank deposit certificates, postal savings certificates, etc.)
foreign currency is just a foreign currency, and its content is smaller than that of foreign exchange.
6. Well, this is the answer given by my teacher

A: filter some common database operation keywords,
select, insert, update, delete, and, * etc., or filter the content through the system function addslashes
register in PHP configuration file_ globals=off; Set to off state. (the function will close the registered global variables); If receiving the value of post form, use$_ POST[' user'], If it is set to on, the value will be received by $user.
when writing SQL statements, try not to omit small quotation marks (the one above tab) and single quotation marks.
improve the skills of database naming, and name some important fields according to the characteristics of the program, so that they are not easy to be guessed.
encapsulate common methods to avoid directly exposing SQL statements.
Open PHP safe mode_ Mode = on
Open magic_ quotes_ GPC is used to prevent SQL injection. It is turned off by default. When it is turned on, it automatically converts the SQL query statement submitted by the user to & quot&# 39;& quot; Convert to & quot&# 92;&# 39;& quot;
control the output of error message, close the error message prompt, and write the error message to the system log
preprocess with mysqli or PDO
7. There is no national legislation for digital currency, so there is no institution to manage it. Illegal means not illegal.
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