Bitcoin is more acceptable than the US dollar

1. 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
unlike all currencies, bitcoin does not rely on a specific currency institution to issue. It is generated by a large number of calculations based on a specific algorithm. Bitcoin economy uses a distributed database composed of many nodes in the whole P2P network to confirm and record all transactions, and uses cryptography design 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. The design based on cryptography can make bitcoin only be transferred or paid by the real owner. This also ensures the anonymity of money ownership and circulation transactions. The biggest difference between bitcoin and other virtual currencies is that the total amount of bitcoin is very limited and it has a strong scarcity

according to the notice on preventing the financing risk of token issuance, there is no approved digital currency trading platform in China. According to China's digital currency regulatory framework, investors have the freedom to participate in digital currency transactions at their own risk

warm tips: the above information is for reference only. Before investing, it is recommended that you first understand the risks existing in the project, and understand the investors, investment institutions, chain activity and other information of the project, rather than blindly investing or mistakenly entering the capital market. Investment is risky, so we should be cautious when entering the market
response time: December 28, 2020. Please refer to the official website of Ping An Bank for the latest business changes
[Ping An Bank I know] want to know more? Come and see "Ping An Bank I know" ~
https://b.pingan.com.cn/paim/iknow/index.html

2.

2020 is a magic year. Although there are many troubles from the beginning of the year to the end of the year, asset prices are rising very well

let's look at the performance of all kinds of assets:

{rrrrrrr}

here's another interesting thing. In the first seven months of bitcoin coming out, the creator Nakamoto Tsung mined 1.1 million bitcoins himself, accounting for 6% of the total amount of bitcoins. These bitcoins have been left untouched, and now are worth nearly $40 billion

If a market has the four characteristics of high leverage, drastic price fluctuation, limited trading volume and high concentration, then the market is a perfect Chinese chive cutting market

we have done a previous issue of the hunt brothers silver speculation. After hoarding a large proportion of silver, the hunt brothers in the United States manipulated the prices in the futures and spot markets to reap the silver investors in the market. Today's bitcoin market is a bit like the silver market of that year

before any asset bubble bursts, there will be lots of people making money. What is the upper limit of the bubble? How high will the price go? How crazy can market sentiment be? None of this can be predicted

a rational investor should not be distracted by the soaring price, but should carefully think about two questions outside the fanatical market sentiment. Do I really understand the investment logic behind this thing? Is it really worth so much money

if you're like me, you'd better not take part in this kind of incomprehensible excitement

4.

Since the birth of bitcoin, its price has risen from a few cents to a maximum of $20000. Although it has dropped a little, it has soared to $18000. This price surprised many people. Why is bitcoin such a virtual digital currency so valuable< the quantity of bitcoin is limited, so the price is relatively expensive. Because bitcoin can be anonymous, many people use bitcoin to hide property or trade. The speculation of bitcoin players leads to the high price of bitcoin Bitcoin is a decentralized virtual digital currency, and bitcoin is generated based on algorithm, so the total amount of bitcoin will not exceed 21 million, and with the increase of mining population, bitcoin will be less and less, so the price of bitcoin is more expensive than other virtual currencies{ RRRRR}

the reason why bitcoin is valuable is that it has replaced part of the currency function and some people have speculated. If you have any other opinions, please leave a message to discuss

5. Manual shooting skills of SLR camera
1. Take close-up pictures of small still objects, such as flowers, birds and insects:
use AV file, the aperture should be f5.6 or below, the focal length should be more than 50, and try to shoot within 1m to make the background virtual
if the light is good, ISO 100, if the light is bad, ISO should be within 400<

2. Shooting people:
basically use a large aperture (within f5.6) and a focal length of more than 50 mm. The shooting distance depends on the whole body, half body and big head, which makes the background virtual. Use AV file
good light, iso100, bad light, iso400
people in motion use tracking to reflect the sense of motion (see the shooting of moving objects below for details)<

3. Shooting:
AV file, use the appropriate aperture, above F8, the focal length is arbitrary, but generally the wide-angle end has distortion, use it as appropriate<

4. Shooting night scene:
upper tripod, AV gear, custom white balance or incandescent lamp, aperture above F8, small aperture can make the light proce starlight effect, use the reflector pre rising function to rece the vibration caused by the reflector lifting after pressing the shutter; And cover the viewfinder with the square cover on the strap to prevent stray light from entering from the back and affecting the image quality; ISO 200, as far as possible to make the exposure time longer, so that some people who have no intention to walk away from the screen disappear, leaving no traces, clean the scene
for example, when taking a square with people coming and going, you can use a very small aperture of about F20 and iso100. In this way, the exposure time will be very long, and the moving figures will not stay in the photos! The square will be clean<

5. Shooting fireworks:
using shutter line and B shutter, you can shoot multiple fireworks overlapping effect<

6. Shooting things:
when the light is good: AV, the aperture size should be handled according to the circumstances; Large depth of field can be obtained by using aperture above F8, and shallow depth of field can be obtained by using small aperture
if you want to have a very dynamic effect, you can use the TV gear, the shutter is about 1 / 30, when you focus and press the shutter, the lens will follow the object at an appropriate speed, which will proce a very dynamic effect
poor lighting: we can only handle it according to our own discretion, plus use the follow-up camera<

7. Shooting running water or fountain:
using TV and about 1 / 50 shutter speed, you can shoot Satin effect. If you use too fast shutter speed, the fountain will shoot discontinuous water drops<

8. Taking photos at night:
use tripod to adjust white balance, and automatically or custom white balance; iso100-400 AV gear, aperture about F8, use slow synchronous flash, rear curtain flash mode; At this time, the flash will flash twice, press the shutter to flash once, and flash again before the end of exposure, so don't leave before flashing twice
in this way, the characters can be clear and the background neon is beautiful, so that the background will not be too dark e to insufficient exposure< No matter what you shoot, don't shoot with the maximum aperture unless you want to keep a safe shutter
2. Please use the aperture of F8 ~ F11 as much as possible when shooting scenery
3. The maximum aperture can be reced by 1-2 levels when taking close-up of people and still life
4. The safety shutter should be controlled above the reciprocal of the focal length as far as possible. The wide-angle shutter should also be more secure at more than 1 / 30 second. If the shutter is insufficient, please increase the aperture or ISO<

metering method:
1. Don't measure the light to the sky or the darkest place. Go to the middle value
2. According to your subject matter, make good use of the metering mode (balance metering, point metering, central key metering...)
3. If the light measurement is not accurate, please use AE lock to expose and lock the gray things around you before shooting
4. Try not to measure the light on white or black objects, otherwise remember to rece eV for black and increase eV for white<

EV is exposure compensation.
exposure compensation is also an exposure control method, which is commonly used in ± If the ambient light source is dim, the exposure value (such as + 1eV, + 2eV) can be increased to highlight the clarity of the picture
most of the small digital cameras adjust the exposure compensation through the menu
in the process of shooting, if you press half of the shutter, the LCD will display pictures similar to the final effect picture, focusing and exposure will start. The exposure at this time is exactly the exposure of the final picture. If the picture is obviously bright or dark, it means that the automatic metering accuracy of the camera has a large deviation, and the exposure compensation should be enforced, but sometimes the brightness displayed ring shooting is different from the actual shooting result. Digital camera can browse the picture immediately after shooting, at this time, you can more accurately see the brightness of the picture, there will be no difference. If the shooting result is obviously bright or dark, it is necessary to re shoot and force the exposure compensation
the shooting environment is dim, and the brightness needs to be increased. When the flash cannot work, the exposure can be compensated and the exposure can be increased appropriately. For exposure compensation, if the photo is too dark, increase the EV value. Every 1.0 increase in EV value is equivalent to doubling the amount of light intake. If the photo is too bright, decrease the EV value. Every 1.0 decrease in EV value is equivalent to doubling the amount of light intake. The compensation interval can be adjusted in 1 / 2 (0.5) or 1 / 3 (0.3) units according to different cameras
when the white object to be photographed looks gray or not white enough in the photo, it is necessary to increase the exposure. In short, "the whiter the object is, the more white the object is." this seems to run counter to the basic principles and habits of exposure. In fact, it is not. This is because the main body of the camera is often the center of the light measurement, and the White main body will make the camera mistakenly think that the environment is very bright, As a result, the exposure is insufficient, which is also a common problem for most beginners
because the shutter time or aperture size of the camera is limited, it is not always able to reach the 2eV adjustment range, so the exposure compensation is not omnipotent, and it may still be underexposed in too dark environment. At this time, it is necessary to consider cooperating with the flash or increasing the ISO sensitivity of the camera to improve the brightness of the picture
generally speaking, the smaller the brightness contrast of the scene, the more accurate the exposure, otherwise, the larger the deviation. The grade of the camera is high and low. If the grade is high, the metering is more accurate, and if the grade is low, the deviation will be increased. If it is a traditional camera, the tolerance of film is relatively large, and the exposure deviation will not have a big problem within a certain range, but the CCD tolerance of digital camera is relatively small, and slight exposure deviation may affect the overall effect
in a word, the adjustment of exposure compensation is determined by experience and sensitivity to color. Users must compare the image quality, clarity, restoration degree and noise size under different exposure compensation to get the best picture

note:
the aperture in Canon's manual refers to the F value. The larger the aperture, the greater the depth of field
generally speaking, aperture refers to aperture, which is inversely proportional to F. the larger the aperture, the smaller the depth of field
AV -- aperture priority auto exposure
TV -- shutter priority auto exposure
AE auto exposure
AF auto focus
AF-S -- single auto focus, the same as saf. The opposite is continuous autofocus
MAF - monitor AF, which can shorten the focusing time. The camera will adjust the focus before half pressing the shutter button, so that you can compose with the adjusted focus. When the shutter button is half pressed and AF locking is completed, the focus will be locked
ev - exposure value, which is usually used in exposure compensation
ISO sensitivity. Each difference of sensitivity is equivalent to the corresponding exposure value of aperture or shutter
brother, if you have time, go to ZhongGuanCun video forum and see the forum.

6. Beta is the trend of financial development. Visionary people are investing in it one after another,
10 coins a day,
6.5 coins can be traded,
3.5 coins are automatically re invested,
a gold coin is equal to 1 RMB
when the reinvestment reaches 1000, the system will automatically add another mint, and then there will be two mints to help you make money, two of which will pay dividends of 20 coins a day,
and so on, three years later 128000
it's just a static income from the market. If we do marketing, we will have a lot of money!!! If you only invest a single 1000, it will be a mint at the beginning and more and more at the later stage. That's how circular compound interest comes. This is how money can help you make money. Compound interest is powerful! Do dynamic development, a few people will make money faster, there are all kinds of bonus to take, not just every day bonus money<
static:
a mint of 1000 yuan can proce 10 coins a day,
65% of them, that is, 6.5 coins, accumulate to 100, which can be sold and cashed into RMB,
the other 35% of them, that is, 3.5 gold seeds, accumulate to 1000, and automatically buy a new mint, which can proce 10 more gold coins a day
for example,
each Mint has a total of 2000 coins, of which 1300 coins can be cashed, 700 were converted into gold seeds
you can choose to convert one to 100 gold coins initially generated into cash to recover the cost first
of course, there are people who do not cash at the beginning, but adopt the method of re investment, that is, when there are 1000 gold coins in 75 days, the gold coins will be turned into gold seeds by manual operation. At this time, a new minting machine will be added automatically, and the proction capacity will double to 20 yuan per day, 30 yuan after 38 days, 40 yuan after 25 days, 50 yuan after 19 days, 60 yuan after 15 days, After 13 days, 70 yuan, after 11 days, 80 yuan, after 10 days, 90 yuan, after 9 days, 100 yuan, after 8 days, 110 yuan, that is to say, after 270 days, 190 gold coins can be proced every day, and after one year, 650 gold coins can be proced every day. Of course, it's actually faster because there are other bonuses
above (dect 50 yuan / household network maintenance fee per year) wx790095781

7. There is no need to bother. The okex exchange supports RMB buying currency, but only legal currency trading. Both buying and selling support RMB.

8.

After entering 2021, bitcoin has always attracted the attention of the market, because the soaring trend of bitcoin is quite amazing. According to the data, bitcoin rose above $48000, the highest level ever. With the optimism and doubts of investors and the scrutiny and warning of regulators, bitcoin started from US $963.66 at the beginning of the year and broke through the important barrier of US $10000 in many trading platforms around the world. Such a surge is not only faster than expected by the market, but also unexpected by regulators. The driving force and causal logic behind it are worth pondering

unlike legal tender in reality, which has unlimited supply (as long as the economy permits and human needs), bitcoin has locked the upper limit of quantity from the beginning. According to the design of the founder of bitcoin, Nakamoto Tsung, 10.5 million bitcoins can be g up in the first four years, and then halved every four years. After 2030, only 1 million bitcoins will be left. Until 2140, when the last one is g up, the total number of bitcoins will reach 21 million, which is also the largest supply of bitcoins. The crux of the problem is that bitcoin is actually much less used for online transactions. According to the Research Report of chainalysis, a digital forensics company, about 2.78 million to 3.79 million bitcoins have disappeared forever, equivalent to 17% to 23% of the total number of bitcoins. This is mainly e to some early & lt; Miner & quot; If you forget your bitcoin wallet account e to computer obsolescence and other reasons, these bitcoins will always be in & lt; Deep sleep & quot; Status. In this way, the value of collecting bitcoin is self-evident, and things are rare and precious; Scarcity & quot; As the price is rising, bitcoin shows the basic characteristics of commodity currencies such as gold and silver