Why is virtual currency popular

1. China has two major exchanges, Shenyang and Shenzhen. A deposit of 30 million yuan was paid to the Chinese government. The sailing team can take you to play. virtual currency is virtual, but its real value and future appreciation lie in whether it can circulate, whether it can land and whether it can be accepted by the people. Just like currency, currency is issued by the state, but it is not circulated. It is like a pile of paper and worthless. Now in the Chinese market, a lot of enterprise currency, virtual currency, But they can't compete with the shared currency. The development goal of digitcoin shared currency is to become the largest virtual currency in the world. At present, China has just started to issue shared currency in nine countries at the same time. A feast of shared currency and shared digital currency is coming.

2. Reason: with the rapid development of information technology, real money is far from meeting people's demand for capital flow. If there are enough people to recognize the value of a virtual currency, it may become a substitute unit of material exchange, and the existence of virtual currency will inevitably cause another upsurge in the financial sector
in view of the possible risks of virtual currency, many international organizations and central banks have responded publicly to the supervision of virtual currency system. These responses can be roughly divided into four categories: warning and risk warning, supervision and registration permission, legislative norms, and explicit prohibition
(1) warning and risk warning
some central banks and regulators have issued risk warnings against the special currency and virtual currency system. The federal financial regulatory authority of Germany, the Bank of France, the central banks of the Netherlands and Belgium have issued public warnings against the possible money laundering and terrorist financing caused by the use of bitcoin. In the report released at the end of 2013, the European Banking authority (EBA) warned consumers of many risks of virtual currency, such as exchange loss, e-wallet theft, unprotected payment, price fluctuation and so on. Although Spain did not have a similar risk warning, it issued a timely information announcement related to virtual currency
(2) supervision and registration license
generally speaking, international organizations believe that the supervision of virtual currency should find a balance between risk prevention and innovation promotion. Since 2012, Sweden has required transactions related to virtual currency to be registered with financial regulators. Other countries pay attention to qualification supervision, so as to make it indirectly meet the requirements of prudential supervision. In other countries, the regulation mainly focuses on the business model of virtual currency transaction. The financial prudential regulatory authority of France regards the provision of bitcoin circulation and trading services and the act of earning funds in the process as a payment service and requires the authorization of the government. In addition, some countries focus on the intermediary institutions related to virtual currency. The German federal financial regulatory agency and Danish regulators believe that the provision of intermediary services for virtual currency needs to be authorized< (3) legislative norms
at present, some countries have proposed legislation to regulate virtual currency transactions. Canada plans to legislate to allow the government to supervise the transaction of bitcoin, and to include the transaction of more than US $10000 into the scope of suspicious supervision. The United States hopes to adjust the relevant legal structure should be compared with the development of the special currency. In order to make the Bank Secrecy Act (BSA) applicable in the context of network, the financial crime enforcement network (FinCEN) of the U.S. Department of the Treasury issued the explanatory guidance on the behavior and subject definition of private generation, holding, distribution, trading, acceptance and transmission of virtual currency in 2013. The European central bank stressed that it should strengthen international cooperation under the existing legal framework, and regulate virtual currency from the European and global level under the existing legal framework. More countries believe that bitcoin is not a currency in circulation, has no legal status, and does not meet the definition of financial instruments, such as Finland, Sweden, Malaysia and Indonesia
(4) it is forbidden
in some countries, bitcoin related transactions are prohibited. In December 2013, the people's Bank of China banned financial institutions from trading in bitcoin, which was subsequently extended to payment service providers. The central banks of Thailand and Indonesia share the same attitude. The circulation of anonymous internet currency (including bitcoin) is prohibited by the Russian judicial inspection department as a substitute for currency. The Central Bank of Russia has earlier included the provision of bitcoin services in the scope of suspicious transaction monitoring. The U.S. Securities and Exchange Commission (SEC) has banned the issue of unregistered shares in exchange for bitcoin, and unregistered online securities trading activities in virtual currency.

3. On the last day of the 19th century, famous European scientists gathered together. At the meeting, W? Thomson (Baron Kelvin) made a new year's speech. Looking back on the great achievements of physics, he said that the physics building has been completed, and only some decoration work remains. At the same time, while looking forward to the future of physics in the 20th century, he said thoughtfully: "the dynamic theory affirms that heat and light are two ways of motion. Now, its beautiful and clear sky is covered by two dark clouds." the first dark cloud appears in the wave theory of light, ”"The second dark cloud appears in the Maxwell Boltzmann theory of equipartition of energy." W. In April 1900, Thomson published an article entitled "dark clouds over the dynamic theory of heat and light in the 19th century". The first dark cloud he said mainly refers to the contradiction between the results of Michelson Morey experiment and the theory of ether drift; What he said about the second dark cloud mainly refers to the results of the theoretical interpretation of the specific heat of gas and the potential radiation spectrum by the energy equipartition rule in thermodynamics, which are different from the experimental results, especially the "ultraviolet disaster" in the blackbody radiation theory. Kelvin is an outstanding theoretical physics and experimental physicist in 19th century England. He is an influential authority in physics. His statement tells the basic situation of physics development to the end of 19th century and reflects the main trend of thought in the field of physics at that time
physics developed to the end of the 19th century, which can be said to be quite perfect and mature. All physical phenomena seem to be able to get satisfactory answers from the corresponding theories. For example, all mechanical phenomena can be explained from classical mechanics in principle. Newtonian mechanics and analytical mechanics have become effective tools to solve mechanical problems. For the analysis of electromagnetic phenomena, Maxwell's electromagnetic field theory has been formed, which is the unified theory of electromagnetic field. This theory can also be used to explain the basic problems of wave optics. As for the thermal phenomenon, there are phenomenological thermodynamics and statistical mechanics theories, which can make a reasonable explanation for the macroscopic law of the thermal motion of matter and the microscopic statistical law of the thermal motion of molecules. In a word, the classical physics building with classical mechanics, classical electromagnetic theory and classical statistical mechanics as the three pillars has been built, and the foundation is solid and magnificent! Under such circumstances, it is no wonder that physicists will feel intoxicated and feel that physics has achieved great success, thus asserting that they will not be able to do anything in the future. At that time, this kind of thought not only existed universally in physics, but also had a long history
Planck made a speech in 1924. In his speech, he recalled that when he was studying physics at the University of Munich in 1875, his physics teacher P. Jolie (1809-1884) advised him not to study pure theory, because physics "is a highly developed and almost perfect science". Now this science "seems very close to taking the most stable form.". Perhaps, there is a st or a small bubble in a corner, which can be studied and classified. However, as a complete system, it is established firmly enough. And theoretical physics is clearly approaching the level of perfection that geometry has had for hundreds of years. " Another famous teacher of Planck, G? Kirchhoff (1824-1887) also said a similar thing, he said that "physics has done nothing but add a few numbers after the decimal point of the known law." Although Kelvin's evaluation of the achievements of physics is too extreme, he can find "two dark clouds" in the clear sky and is worried about them, which shows that he is far sighted. The history of the development of physics shows that it is these two small dark clouds that finally led to a big storm
the first dark cloud -- Michelson Morey experiment and the collapse of "Ether" theory. Sunlight passes through a vacuum to the earth, and light from galaxies billions of light-years away also passes through space to the earth. Why can light wave propagate in vacuum? What is its medium of transmission? Physicists have found a medium for light transmission - "Ether"
Aristotle, the ancient Greek philosopher, first proposed "Ether". Aristotle thought that the lower boundary was composed of fire, water, earth and air; Add the fifth element to the upper bound, "Ether". After Newton discovered the universal gravitation, he met a difficult problem: in the vacuum of the universe, what medium does gravitation propagate? In order to find a complete solution, Newton revived Aristotle's "Ether" theory, and believed that "Ether" was the propagation medium of gravity in the cosmic vacuum. Later, physicists developed the theory of "Ether", believing that "Ether" is also the medium of light wave propagation. Light, like gravity, is transmitted by the ether. They also assume that the whole universe is full of "Ether", which is a thin, imperceptible medium composed of very small elastic spheres. In the 19th century, Maxwell's electromagnetic theory also described the medium that transmits light and electromagnetic waves as a kind of "Ether" that has no weight and can absolutely penetrate“ "Ether" not only has the nature of electromagnetism, but also is the transmitter of electromagnetic effect, and also has the nature of mechanical mechanics. It is an absolutely static reference frame, and all movements are relative to it. In this way, the electromagnetic theory is consistent with Newtonian mechanics“ The concept that "Ether" is the common carrier of light, electricity and magnetism is generally accepted by people, forming a "etherology"
however, after confirming the existence of "Ether", a new problem arises: if the earth moves around the sun at the speed of 30 kilometers per second, it must encounter the wind of 30 kilometers per second. At the same time, it must also have an impact on the propagation of light. The emergence of this problem causes people to explore whether "yitaifeng" exists or not< In 1887, Michelson (1852-1931) cooperated with American chemist and physicist Murray (1838-1923) to carry out a famous experiment in Cleveland: "Michelson Murray experiment", namely "ether drift experiment". The experimental results show that no matter the direction of the earth's motion is the same as or opposite to the direction of light, the measured speed of light is the same, and there is no relative motion between the earth and the "Ether". Therefore, there is no "Ether" or "absolutely static space". Because this experiment is easy to understand in theory and accurate and reliable in method, there is no doubt that the experimental result denies the existence of "Ether"
the Michelson Morey experiment puts scientists in a dilemma. They may have to abandon the etheric theory that has explained many phenomena of electromagnetism and light. If they dare not give up ether, then they must give up Copernican's theory of earth movement, which is older than etherology. Classical physics is at a loss in the face of this famous experiment
the second dark cloud -- blackbody radiation and "ultraviolet disaster"
at the same temperature, the brightness and color (wavelength) of different objects are different. Dark objects have strong ability to absorb radiation. For example, the absorption rate of coal to electromagnetic wave can reach about 80%. The so-called "blackbody" refers to the ideal object that can absorb all external radiation without any reflection and transmission, and the absorptivity is 100%. There is no real blackbody, but a cavity with a small hole on its surface can be regarded as an approximate blackbody. Because the radiation entering the cavity through the small hole will not leak out from the small hole after many times of reflection and absorption in the cavity
at the end of the 19th century, lummer (1860-1925) and others' famous experiment blackbody radiation experiment found that the energy of blackbody radiation is not continuous, and its distribution according to wavelength is only related to the temperature of blackbody. From the perspective of classical physics, the results of this experiment are incredible
how to explain the results of blackbody radiation experiment? At that time, people started from classical physics to find the laws of experiments. Incorrect premise and starting point lead to failure in the end. For example, Wien, a German physicist, established a formula for the distribution of blackbody radiation energy according to wavelength, but this formula is only consistent with the experimental facts when the wavelength is relatively short and the temperature is relatively low. British physicist Rayleigh and physicist, astronomer King think that energy is a continuous change of physical quantity, establish the blackbody radiation formula which is more consistent with the experimental facts when the wavelength is longer and the temperature is higher. However, according to the Rayleigh gins formula, in the short wavelength region (ultraviolet region), the radiation intensity can increase endlessly with the shortening of the wavelength, which is far from the experimental data. So this failure was called "ultraviolet disaster" by Ellen fester. Its failure undoubtedly indicates the failure of classical physics theory in the problem of blackbody radiation, so it is also the "disaster" of the whole classical physics.

4.

When going abroad for physical examination, the local entry-exit inspection and Quarantine Bureau will handle the "international travel health examination certificate" and "international vaccination certificate", and the health officials will ask you to show them when you go abroad

The process of going abroad for physical examination is as follows:

1. On the morning of the physical examination, take your ID card, passport, two two inch photos and expenses

2. Routine projects will be allowed to do, and other projects will be recommended by nurses according to the requirements of the school

3. After physical examination, you will get the international travel health examination certificate, which can be obtained within 4 working days after physical examination

Many countries also need to check the AIDS test certificate and vaccination certificate - yellow book "international vaccination certificate", otherwise they will be refused entry

In 1986, the State Council forwarded the "several interim provisions of the State Ecation Commission on studying abroad" which stipulates that the health status of all kinds of students studying abroad must meet the requirements of studying abroad, and they must pass the examination of provincial and municipal hospitals and get the health certificate (valid for one year)

2. When going abroad for port inspection, the passport should be handed over to the port inspectors together with the passport; When returning to China for entry, the passport shall be submitted to the port inspectors for inspection together with the passport

5. My friends were cheated by 740000 together, which has saved today,

6. Virtual currency has certain advantages. Let's take bitcoin (Wright coin, Fuyuan coin, Dog Coin similar) as an example to illustrate:

bitcoin has value because it is useful as a form of currency. Bitcoin has the mathematical characteristics of money (persistence, portability, interchangeability, scarcity, separability and identifiability) rather than relying on physical characteristics (such as gold and silver) or the trust of central authorities (such as fiat money). In short, bitcoin is backed by mathematics. With these characteristics, a form of money to have value requires trust and use. In contrast, this can be reflected in its growing base of users, businesses and start-ups. Like all currencies, the value of bitcoin comes directly from people who are willing to accept it as a means of payment, which is the only source.

8. You are at least a year late in asking this question
it's not a fire now, it's an ember after the fire now
if you still have friends talking about virtual currency with you, it is recommended that you stay away from them as far as possible, either a liar or a fool!