Currency is the virtual currency of US dollar

1. Because the US dollar is the common currency in the world. Whatever we say, it's in dollars. Of course, virtual currency can be converted into RMB in US dollars.

2.

Virtual currency is valuable because of its liquidity and not easy to query

a bitcoin system written by a pile of codes, from worthless to 100000 yuan, what is bitcoin? Why is it so valuable? Once you understand the nature of bitcoin, you won't just focus on currency price fluctuations. It can be said that the invention of bitcoin has given people unlimited imagination. Of course, the value of bitcoin is also determined by its demand. So who needs bitcoin in the first place? When we talk about how to reach a consensus on a broader level, let's first look at the essence of value. Why is gold valuable and what is its essence

in my opinion, a group of virtual currencies led by bitcoin will exist for a long time and will not replace the current legal tender. It will exist independent of fiat money and will not belong to any country. Some virtual currencies are recognized by some people first, and then graally form a wider circulation because of their value. More people reach this consensus, and finally they have the value of existence. Of course, most virtual currencies have no value and are aviation currencies. If a currency wants to exist for a long time, it must go through a long period of ups and downs, and constantly dig out its greater use value, in order to become a virtual currency with real value

3. I'll teach you how to judge whether the projects on the market are reliable

first of all, do you want to see if this project is air? Does the project side disclose detailed information, have a long-term plan, and do the coins they issue have real application scenarios

you see, for example, there are a lot of coins on defi now, and the project party is not clear. Even if it grows tens of thousands of times in a short period of time, from tens of u to hundreds of u, there is no practical application scenario, and it is inevitable that it will plummet to zero in the end

the most important thing is to see whether the project can realize the value of its own currency. This kind of thing is not just a matter of trading on the last exchange. Like ZZT, it supports the exchange procts, and supports the payment of hotels, gas stations and pharmacies in Tajikistan. With the implementation of these offline use scenarios, we can feel that the project party really wants to operate the currency, at least not a project to cut a wave of leeks and run away

secondly, take a look at their background, team, project white paper, online planning and so on. More research, more thinking, improve the level of certification, otherwise has been only leeks, cut by the project side.

4. Just sit under Tumen. Tumen is very small. All the primary schools gather together to ask

5.

The fundamental reason why the US dollar has currency common status is that the US has more gold

It can be traced back to the period of World War. During the first and second world wars, the United States made a lot of war windfall. After the end of the Second World War, the gold reserves of the United States reached 2 / 3 of the world's share

At that time, the international trading mode was not US dollar, but gold. After that, the Bretton Woods conference was held, which abolished gold and changed the US dollar into an international currency. However, the US dollar is still linked to gold, so the trade relations between countries can only use US dollar

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extended materials:

the development of the US dollar

in 1792, the US dollar formed currency areas in 13 colonies, and the US was only a country with 4 million people at that time. By the end of the 19th century, it had become the most powerful country in the world

From 1914 to 1920, the price level of the United States nearly doubled. Later, the Federal Reserve Bank of the United States decided to control inflation, trying to make the price return to the original level. Then came a period of deflation. In 1920, the price level dropped from 200 to 140, which was the largest deflation in the history of the United States

according to the national security administration of the United States in 1994, the circulation of U.S. dollars in the world is 350 billion yuan, one third of which is in the United States and two thirds in foreign countries. The New York Fed reported that at the end of 2002, about 55% to 60% of the 620 billion US dollars in circulation, or about 340 billion to 370 billion US dollars, were in circulation outside the United States

6. It's virtual currency

7. The market value of virtual currency is changing at any time. Virtual currency is neither US dollar nor US dollar
network virtual currency can be roughly divided into
the first category is familiar game currency. In the era of stand-alone games, the protagonist accumulates money by knocking down the enemy, entering the gambling house to win money, and using these to buy Herbs and equipment, but it can only be used in his own game console. At that time, there was no "market" between players. Since the establishment of Internet portal and community, the realization of game networking, virtual currency has a "financial market", players can trade game currency
the second type is the special currency issued by the portal website or instant messaging service provider, which is used to purchase the services in the website. The most widely used is Tencent's q-coin, which can be used to purchase membership, QQ show and other value-added services
the third kind of virtual currency on the Internet, such as bitcoin (BTC), lightcoin (LTC), Fuyuan coin (FTC), etc. bitcoin is an electronic currency proced by open-source P2P software. Some people also translate bitcoin as "bitcoin", which is a kind of network virtual currency. It is mainly used for Internet financial investment, and can also be directly used in daily life as a new currency.

8. The above statements are all very good, but there are some inaccuracies in the application grid of the simulation application. We need to pay attention to the following points:

1 is the type of application account. We should choose UK, because only the British version has foreign exchange gold and silver. Some people have no gold in the simulation application because this place has been wrongly selected
2, Note that the simulated settlement currency is usddemo02
USD means US dollar currency. If you choose pound sterling, euro or Japanese yen in this place, it is often inconvenient for you to calculate when you make an order. For example, when we make a gold one ounce margin, it should be US $4, and the transaction cost is about US $0.35. If you apply for pound sterling, the margin you occupy must be US $3, As like as two peas, the 3 is the pound, so it's not convenient for you to memorizing and simulating