Virtual currency storage

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 scarcity
after bitcoin transaction data is packaged into a "data block" or "block", the transaction is initially confirmed. When a block is linked to a previous block, the transaction is further confirmed. After six block confirmations in a row, the transaction was irreversibly confirmed. Bitcoin P2P stores all transaction history in a "blockchain.".

2. The possible problems of virtual currency are as follows:
1. The existence of pyramid selling currency and air currency
2. Forget the secret key of wallet and never find back bcbot
3. Too many leeks
4. Money laundering
5. Jiuzhuang

3.

1. Different in nature

putting virtual currency on the platform is controlled by the platform, and putting virtual currency on the wallet is controlled by yourself

2. Different security

if the platform fails, the money will be gone, and the virtual coin will be put in the wallet. No matter whether the platform fails or not, the virtual coin will not have any loss

3. Different transactions

virtual currency platform can be sold or traded in public, while virtual currency wallet can only be traded in private

extended data:

the risk of virtual currency:

1, model risk

virtual currency is not real currency, there is no central bank behind the total control and macro-control, its value depends entirely on its supply

2, liquidity risk

virtual currency is often e to the lack of market depth, after irrational prosperity thinking or sudden panic, the market price rises and falls sharply, it is difficult to buy or sell at a reasonable price, especially when a large number of funds or a large number of virtual currencies enter the market

3, platform risk

at present, many virtual currency platforms need to deposit funds into the platform to buy or sell. In order to attract investors, some platforms often offer free service charges, but some free platforms are risky

4. To detect AIDS, we usually go to two places

1 to people's Hospital for examination, and then go to dermatology or infection department or urology department; Explain your condition to your doctor and ask for a test; Blood test - & gt; Take the results
2 to the CDC in the city for testing, you need to show your ID card, and record your name and contact information, and then a doctor will talk with you to determine whether you need testing, and then test
it is free to go to CDC for testing.

5. It should be the public chain! The public chain of technology!

6. Virtual currency is also called digital currency. The underlying technology is blockchain. It depends on the network and ensures its existence and security through mathematics, cryptography and other means.

7. Bitcoin uses a number of technologies, more than one, mainly distributed P2P technology, cryptography technology and so on
it is recommended to search bitcoin white paper for more information.