What is the black box of bitcoin

2.

(1) Bitcoin was originally a kind of network virtual currency to buy real-life goods

(2) advantages:

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completely decentralized, without issuing institutions, it is impossible to manipulate the number of issues

anonymity, tax exemption and supervision free

robustness. Bitcoin is completely dependent on P2P network and has no distribution center, so it cannot be shut down externally

cross border

it's difficult for the cat to survive

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(3) disadvantages:

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the vulnerability of trading platform

transaction confirmation takes a long time

the price fluctuates greatly

the public did not understand the principle, and the traditional financial practitioners resisted

3. Bitcoin is a kind of cryptocurrency based on decentralization, using peer-to-peer network and consensus initiative, open source, and blockchain as the underlying technology. The concept of bitcoin was first proposed by Nakamoto on November 1, 2008, and was officially born on January 3, 2009. 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 money 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

warm tips:
1. The above explanations are for reference only, without any suggestions
2. Before investing, it is recommended that you first understand the risks existing in the project, and clearly 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 17, 2020. Please refer to the official website of Ping An Bank for the latest business changes
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4. Hello, today's 6.3
the RMB price of bitcoin is 61784

5. After level 70, about 1 ignore = 4 panel attack, when the equipment is normal.

6. After the face-to-face signature is successful, the review status will be updated in 2 working days. After the review, the card printing and mailing will take 3 working days, and you can receive it in about 10 days. During the mailing period, there will be a short message notice, and you can check the sending situation by the following ways:
first, the postal website (mail tracking query system), which is dedicated to checking the registered credit of the postal service.

second CCB wechat, China Construction Bank, select "application for card / progress query" in "credit card" tab

Third, CCB mobile banking, select "card mailing progress query" in "I want to do card" in "credit card"

7. The concept of bitcoin was first proposed by Nakamoto in 2009. According to Nakamoto's idea, open source software was designed and released, and P2P network was built on it. 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 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. The monetary system used to have no more than 10.5 million in four years, after which the total number will be permanently limited to 21 million
bitcoin can be cashed and converted into the currency of most countries. Users can use bitcoin to buy some virtual items, such as clothes, hats and equipment in online games. As long as someone accepts it, they can also use bitcoin to buy real-life items
currency characteristics
Decentralization: bitcoin is the first distributed virtual currency, and the whole network is composed of users without a central bank. Decentralization is the guarantee of bitcoin's security and freedom
Global Circulation: bitcoin can be managed on any computer connected to the Internet. No matter where you are, anyone can dig, buy, sell or collect bitcoin
exclusive ownership: the private key is required to manipulate bitcoin, which can be stored in any storage medium in isolation. No one can get it except the user himself
low transaction cost: bitcoin can be remitted free of charge, but a transaction fee of about 1 bitfen will be charged for each transaction to ensure faster transaction execution
no hidden cost: as a means of payment from a to B, bitcoin has no cumbersome quota and proceres. If you know the other party's bitcoin address, you can pay
cross platform Mining: users can explore the computing power of different hardware on many platforms.

8. 1. Take Metro Line 2 (4 stops) from Guangzhou metro station to Baiyun culture square station. Walk about 650 meters to Baiyun International Convention Center (East Gate)