Virtual currency with total amount limit
Some virtual currencies are illegal in China. Chinese laws prohibit virtual currencies. The only legal currency in China is RMB. Since the people's Republic of China issued RMB, it has lasted 71 years. With the development of economic construction and the needs of people's life, it has graally improved and improved. So far, it has issued five sets of RMB, forming a multi variety and multi series monetary system of paper money and metal money, ordinary commemorative money and precious metal commemorative money
except for 1,2,5 fen coins, the first, second and third sets of RMB have been withdrawn from circulation, and the fourth set of RMB has been suspended from circulation since May 1, 2018 (except 1 jiao, 5 jiao notes and 5 jiao, 1 yuan coins). The current circulation of RMB is mainly the fifth set of RMB issued in 1999
the people's Bank of China is scheled to issue the fifth set of RMB 50 yuan, 20 yuan, 10 yuan, 1 yuan banknotes and 1 yuan, 5 jiao, 1 jiao coins of the 2019 edition from August 30, 2019. The fifth set of RMB inherits the traditional experience of China's printing technology and draws lessons from the advanced technology of foreign banknote design, which has greatly improved its anti-counterfeiting performance and currency processing modernization
Chairman Mao Zedong's head portrait in the early days of the founding of the people's Republic of China is used on the front of each denomination currency, the famous Chinese flower pattern is used on the bottom, and the main scenery pattern on the back fully shows China's long history and magnificent mountains and rivers, and carries forward China's great national culture by selecting representative patterns with national characteristics
What are the virtual currencies
now bitcoin has become the most famous virtual currency. Bitcoin virtual currency is a kind of currency obtained by complex calculation. Due to the limitation of the algorithm, the total amount of mining is 21 million, while the current mining amount has exceeded 11 million. Bitcoin has attracted the attention of Western Union, MoneyGram and paypal. It is reported that these services are evaluating whether users are allowed to use bitcoin on their respective platforms
Amazon coins
Amazon is one of the few large technology companies that independently develop virtual currency. In most cases, the virtual currency of these companies can only be used on their respective websites. Amazon just launched the Amazon coins service in May, which can now be used to buy games, apps and other digital content on the kindle fire platform, as well as on app stores and websites. You can buy 100 Amazon coins for $1, and you can get a discount for large purchases. For example, 1000 Amazon coins are sold for $9.50
There is no legal virtual currency in China
virtual currency refers to non real currency. Well known virtual currency, such as network company's network currency, Tencent company's Q currency, Q point, Shanda company's voucher, Sina's Micro currency (used for micro games, Sina reading, etc.), chivalrous Yuanbao (used for chivalrous road game), silver pattern (used for bixue Qingtian game)
the popular digital currencies in 2013 are bitcoin, Leyte coin, infinite coin, quark coin, zeta coin, BBQ coin, pennies (Internet), invisible gold bar, red coin and prime currency. At present, hundreds of digital currencies are issued all over the world. Popular in the circle & quot; The legend of "bitcoin, Wright silver, infinite copper, pennies aluminum"
extended information: the particularity of virtual currency
the biggest difference between personalized virtual currency and stock market is not only the integrated pricing function with reference points, but also the distributed pricing function with reference points. This process is not completed in the virtual money market, but in the development of personalized modern services
< 2. Personalized virtual currency will have its own cultural value orientation
in the future personalized virtual currency trading market, price level information similar to today's stock index will also be formed. But different from stock index, personalized virtual currency price index will not reflect investment value-added information, but entertainment value, cultural value, spiritual value, freedom value and personality value similar to cool value
3. Personalized virtual money market will play a role in promoting traditional instries
with the development of game instrialization and instrial Gamification, indivial freedom has been comprehensively developed, that is, personalized self realization, which will become the ultimate goal of instrial upgrading. Traditional instries, including proct manufacturing and service instries, will take the satisfaction of spiritual and cultural values as the pursuit of added value of procts and services
in the first four years, 50 pieces were g out every ten minutes: 50 * 6 * 24 * (365 * 4 + 1) = 10519200 pieces
in the second four years, 25 pieces were g out every ten minutes: 25 * 6 * 24 * (365 * 4 + 1) = 5259600 pieces
according to the sum formula of infinite equal ratio sequence, the final total amount is infinitely close to 21038400 pieces (10519200 * 2)
as long as the mining rules are not changed, the number of bitcoins will never exceed 21038400
The concept of bitcoin was first proposed by Nakamoto on November 1, 2008, and was officially born on January 3, 2009. According to the idea of Nakamoto, the open source software is designed and released, and the P2P network on it is constructed. Bitcoin is a virtual encrypted digital currency in the form of P2P. Point to point transmission means a decentralized payment system
bitcoin network generates new bitcoin through "mining". In essence, the so-called "mining" is to use computers to solve a complex mathematical problem to ensure the consistency of bitcoin network distributed accounting system. Bitcoin network will automatically adjust the difficulty of mathematical problems, so that the whole network will get a qualified answer about every 10 minutes. Then bitcoin network will generate a certain amount of bitcoin as block reward to reward the person who gets the answer
As a popular new currency, it is publicly prohibited in many countries, but there are still unfair transactions in some countries, including Tesla's bitcoin gene exchange. In a few hours, the 18 millionth bitcoin will be mined, which is also the first cryptocurrency in the world. It's a step up to 20 million{ RRRRR}
one of the difficulties for the current global graphics card is caused by bitcoin, because many bitcoin mine owners used to mine it to obtain benefits., As a result, they buy a lot of equipment, including a lot of electricity, to dig, which is a blow to a global instry