Ncrbc virtual currency

1.

Digital money is legal

digital currency itself is legal in China. Digital currency is defined as Internet goods in China, but the relevant supervision is still blank, and digital currency is still in the gray area in China. Well known digital currencies include bitcoin, Leyte coin, Ruitai coin, thousand gold card, dog coin, etc

however, there are also some non developers who use the cover of digital currency to carry out pyramid schemes, such as the Vicat scheme, treasure scheme, Porter scheme and so on

development materials:

digital currency is different from the virtual currency in the virtual world, because it can be used for real goods and services transactions, not limited to online games. The early digital currency (digital gold currency) is a form of electronic currency named after the weight of gold. Today's digital currency, such as bitcoin, lightcoin and ppcoin, is an electronic currency created, issued and circulated by check sum cryptography. It is characterized by the use of P2P peer-to-peer network technology to issue, manage and circulate currency. In theory, it avoids bureaucratic examination and approval, so that everyone has the right to issue currency

2. This is an illegal fund-raising pheasant platform, customer service can not contact, soon e to run. I invested more than 30000 yuan, but I almost lost all my money. Fortunately, I spent money yesterday to find a technology company to help me put it forward, otherwise my family would be ruined. What you haven't extracted, go to the police.

3. yes. Smart contract, distributed storage and data analysis system, data traceability system.

4. How did you cheat
if they break the law,
they can go to the court to sue them

5. A limited number of 5 billion pieces will be issued worldwide.

6. The upsurge of ancient cultural art collection and investment continues to grow, but the instry chaos such as the proliferation of counterfeits and speculation has become a prominent problem hindering the further development of the market. It is difficult to distinguish the authenticity of artworks, financial applications, calculation units can not participate, artistic value can not be converted into economic benefits, and cultural instry can not be formed. It is against this background that ncrbc team proposed to integrate ancient cultural art with financial innovation, speed up the circulation of art and promote financial investment, thus ncrbc was born

7. It's cheating. How many people have been cheated

8. NPR: take r out of n different objects and arrange them, there are a total of NPR different arrangements
NCR: take r out of n different objects and there are a total of NCR different combinations
P means arrangement, C means combination

for example, the existing letters a, B, C
take 2 out of these three letters and arrange them, how many letter arrangements are there
3P2 = 6: AB, AC, Ba, BC, CA, CB

how many different combinations can there be if two of the three letters are taken out
3c2 = 3: A and B, a and C, B and C