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POW: full name of proof of work
pos: proof of stake
both of them are the consensus mechanism of blockchain and the bookkeeping method of digital currency
the difference is:
1. POW mechanism: workload proof mechanism, that is, the proof of workload, is the requirement that must be met when generating a new transaction information (that is, a new block) to be added to the blockchain. In the blockchain network based on workload proof mechanism, the ability of nodes to obtain the correct numerical solution to generate blocks by calculating the numerical solution of random hash hash is the specific performance of node computing power
POS mechanism: the proof of rights and interests requires the certifier to provide a certain amount of ownership of cryptocurrency. The operation mode of the proof of rights and interests mechanism is that when creating a new block, the miners need to create a "currency right" transaction, and the transaction will send some coins to the miners themselves according to the preset proportion. According to the proportion and time of token owned by each node, the equity proof mechanism reces the mining difficulty of nodes proportionally according to the algorithm, so as to speed up the speed of searching for random numbersextended materials:
the concept of bitcoin was first proposed by Nakamoto in 2009. According to Nakamoto's ideas, the open source software and the P2P network on it were designed and released. Bitcoin is a kind of P2P digital currency. Point to point transmission means a decentralized payment system
unlike most currencies, bitcoin does not rely on specific currency institutions. It is generated by a large number of calculations based on specific algorithms. Bitcoin economy uses the distributed database composed of many nodes in the whole P2P network to confirm and record all transactions, and uses the design of cryptography to ensure the security of all aspects of currency circulation. The decentralized nature and algorithm of P2P can ensure that it is impossible to artificially manipulate the value of bitcoin through mass proction
1 yuan, front for Mao Zedong, orchid background; The design on the back is Hangzhou West Lake (Santan Yinyue), olive green
5 yuan, with Mao Zedong on the front and Narcissus on the bottom; The design on the back is Mount Tai (the only stone in the five mountains), with purple tone
10 yuan, with Mao Zedong's rose on the front; The pattern on the back is the Three Gorges of the Yangtze River (Kuimen of Qutang gorge), blue and black
20 yuan, with Mao Zedong on the front and lotus on the bottom; The design on the back is Guilin landscape (Yangshuo, Xingping, Yuanbaoshan, Lijiang River), with brown tone
50 yuan, with Mao Zedong on the front and chrysanthemum on the bottom; The design on the back is Potala Palace, green
100 yuan, with Mao Zedong on the front and plum blossom on the back; The design on the back is the Great Hall of the people in red
extended information :
in order to meet the requirements of economic development and market currency circulation, on October 1, 1999, on the 50th anniversary of the founding of the people's Republic of China, the people's Bank of China issued the fifth set of RMB (1999 edition) one after another. The fifth set of RMB has six denominations: 1 yuan, 5 yuan, 10 yuan, 20 yuan, 50 yuan and 100 yuan, of which 1 yuan has two kinds of notes and coins
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 adaptability to the modernization of currency processing. The front of each denomination currency adopts the head portrait of Chairman Mao Zedong in the early days of the founding of the people's Republic of China, the background adopts the Chinese famous flower pattern, and the back main scene pattern fully shows China's long history and magnificent mountains and rivers, and carries forward China's great national culture through the selection of representative patterns with national characteristics. In the fifth set of RMB, the 10 cents, 20 cents, 50 cents and 2 yuan notes in the fourth set of RMB were cancelled and the 20 yuan notes were restored
The fifth set of RMB has six denominations: 100 yuan, 50 yuan, 20 yuan, 10 yuan, 5 yuan and 1 yuan. The fifth set of RMB increases the denomination of 20 yuan and cancels the denomination of 2 yuan according to the situation that the main currency of low denomination in the market actually plays a large role in change making, which makes the denomination structure more reasonable. The fifth set of RMB adopts the method of "one-time announcement, sub issuance". On October 1, 1999, 100 yuan notes were issued first; 20 yuan notes and dimes were issued on October 16, 2000; On September 1, 2001, 50 yuan and 10 yuan banknotes were issued; On November 18, 2002, 5 yuan notes and 50 cents coins were issued; On July 30, 2004, 1 yuan note was issuedin order to improve the printing technology and anti-counterfeiting technology of the fifth set of RMB, the people's Bank of China issued the fifth set of RMB 2005 version 100 yuan, 50 yuan, 20 yuan, 10 yuan, 5 yuan banknotes and stainless steel dime on August 31, 2005 with the approval of the state Council. The main pattern of the 2005 version is consistent with that of the 1999 version, but the dimming number, the position of the denomination watermark, the addition of gravure handle line, anti mark, and the addition of Suffix "Yuan" to the denomination number on the back are adjusted. The fifth set of RMB dimes is made of stainless steel instead of aluminum alloy. The color is steel white, and the front is "people's Bank of China", "dime" and Chinese phonetic alphabet "Yi Jia", as well as the year number
in November 2015, the central bank issued the 2015 version of 100 yuan note. On the premise that the specifications and main patterns remain unchanged, the face patterns, anti-counterfeiting features and layout are adjusted to improve the machine reading performance. Advanced public anti-counterfeiting technology is adopted to make it easier for the public to identify the authenticity
references : the fifth set of RMB_ Network
Oppor17 is recommended. The new machine has good performance
1. Fashionable appearance
metal gradient design is very fashionable and young. This is also a big advantage in attracting young people. Yan is justice
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6, other hardware parameters
the running memory is 6GB, and the processor is snapdragon interrupt series 670 processor
to sum up, the color value, system parameters and configuration are very worthy of the current price and are worth buying
It is a variety of computing resources
Chang
pin
Red dotred dot is the symbol of outstanding design quality. All the design concepts that won the red dot award were judged by the international design expert jury. The red dot logo will naturally attract the attention of media, instry, investment and customers
winning the red dot award means the rolling start of a series of marketing activities, all of which are dedicated to promoting and disseminating the design concepts and achievements of the award winners
every year, a large-scale award ceremony is held and becomes the climax of the whole design concept award. The award ceremony shows the achievements of the winners and shows them in front of everyone's eyes. This award ceremony attracts hundreds of guests from the design, media and business circles every year and becomes a highlight on the design calendar
Red Dot Design Museum
exhibition in red dot museum can effectively spread the achievements of the winners. The winner of the red dot award will also have the right to display his works in the red dot design museum
in Germany, there are more than 1000 works on display in an exhibition area of more than 4000 square meters, which is the largest modern design museum in the world. The museum was formerly known as the boiler room. The building is part of UNESCO's world heritage and was redesigned by Lord Norman Foster for the red dot design museum
the red dot design museum in Singapore is located in the central business district. The buildings with bright red paint and colonial style are impressive. It has become an important channel for the rapidly growing Asian market. The red dot design museum is the main focus of the red building. There are also other creative companies in the building, such as music studio, advertising agency and design studio
red dot roving exhibition
in a series of special occasions or activities, red dot uses video to show and publicize the works that have won the red dot design concept award
red dot online
red dot website is a global search tool, providing designers with a source of inspiration. The award-winning red dot design concept works will be displayed on the red dot website, reaching 9 million page views every year, becoming an important global communication channel<
red dot publicity service.
every year, red dot actively publicizes award-winning design concepts and designers through various media
red dot logo
getting the red dot label is just the beginning of a series of marketing and publicity activities. The eye-catching logo of red dot fully shows to the outside world that the design has reached the world's highest standard of excellent design
red dot is a world famous design competition. Red dot is regarded as the symbol of design quality all over the world. Backed by the red dot award, it greatly helps young designers to enhance their competitiveness when they apply for a job, start a design office or engage with other companies. For professional design companies, instead of making one proct after another, what they can achieve is the ability to prospect and predict the future trend at the conceptual level
Red Dot Design Yearbook
every year as a memorial, as well as a permanent record of award-winning design concepts and designers' achievements, red dot carefully compiles the Yearbook. For important customers and business partners, red dot design yearbook can be used not only as a beautiful gift, but also as a very useful search tool. The red dot Yearbook is published worldwide every year< For designers, winning the red dot award clearly indicates the potential success of design concepts in the market. For professional designers, winning the red dot award will undoubtedly attract the attention of investors, brand owners, manufacturers and buyers, so that they can improve their confidence and invest in the development of design concepts into commodities
red dot is committed to transforming award-winning design concepts into successful procts. Red dot builds a bridge between winning ideas and commercial cooperation. Business partners provide the necessary business and legal knowledge, the ability to build proct models, and help with research, construction, technical guidance and sales orders< br />
2. Install a computer Housekeeper on your computer, then select the virus to check and kill, and then look at the antivirus results to see if it's a virus
dot is continuous injury, Ms pain, SS curse or corrosion
English: short for damage over time
sy masturbation is the first letter of Chinese pinyin. Most of them are on the Internet. Masturbation is a derogatory word in Chinese, so masturbation is a normal behavior; make love" ， Chinese means making love. Some ignorant people think that make love is abbreviated to & quot; ML" Comparison & quot; Implicit & quot;, However, in English, there is no such abbreviation. They did not know that in ancient China, there had been some implicit words to express the same meaning. For example: sex, rain, roommate, etc. It shows that modern Chinese lack of ancient culture of their own country. Common in Chinese mainland websites, and rarely seen in Hongkong and Taiwan. Because it is neither Pinyin nor formal abbreviation. As a result, many people who understand English and Chinese are confused. You have to ask others before you know what it means
GT: Latin grand Turismo, English translation for grand touring, grand means big, while touring means traveling. Grand touring, together, is actually a large station wagon