BTC package

1. bitcoin core is an official client used to manage the private key of bitcoin. Having the private key of the bitcoin address means having the control right of the corresponding bitcoin. Once the private key is lost, it cannot be recovered. Therefore, it is very important to back up the wallet
the wallet file of the wallet client is the database for storing the private key of bitcoin. Both the private key and the public key are stored in the wallet.dat file of the bitcoin wallet. Keeping wallet files securely in multiple locations prevents bitcoin from being recovered in the event of an accident
wallet file location
Windows XP - C: & # 92; Documents and Settings\{ username}\ Application Data\ Bitcoin\ wallet.dat
Windows 7/8 - C:\ Users\{ username}\ AppData\ Roaming\ Bitcoin\ Wallet. Dat
Mac OS X ~ / library / Application Support / bitcoin / wallet. Dat
linux ~ /. Bitcoin / wallet. Dat
the above is the default wallet directory of bitcoin core client. If the data directory is specially set, you can search the keyword "wallet. Dat" through windows to the wallet. Dat
my address:

2. The essence of BTC is a distributed, algorithm-based and public network account book (just as the essence of a bank is a private account book which is not publicly controlled by the central government). The wallet (private key) is actually the right for you to modify the account number (public key or bitcoin address) in the account book. The wallet corresponds to the account number. In fact, the specific wallet file contains more than one private key information, which can be copied to other places for use. As long as you have the private key corresponding to the account, it's like having the password of the bank card. Understand the above, you should also understand the answer to your question - B has 10btc on the address. It's not about the computer. This may be better understood by you: wallet = private key (bank card password) + public key (bank card number) BTC network system = Bank, access to BTC network with wallet = bank card inserted into ATM and certified, payment = transfer to other accounts.

3. How to choose BTC wallet and how to store your bitcoin? This is an important problem that every bitcoin user must face. Bitcoin gives you more freedom and power to control your money. But if you are not careful, it may bring disastrous losses. If you choose to remain in complete control of your bitcoin on your own, then there is no one who can stop you from doing something stupid and pay for your mistakes. There is no bitcoin company to call and try to convince your legitimate owner of your address so they can give you the key back. However, there are friendly and secure services based on bitcoin, or intermediate solutions, which can let users avoid the risk of operating wallets. The purpose of this article is to explain what different options you have for storing BTC, so that each user can make the right choice between security and control. Wallets fall into two main categories: Online wallets online wallets are by far the easiest way to access your bitcoin from any computer. But there needs to be enough trust in wallet service providers. Currently, there are four main choices for online Wallet:

4. Stored in the block folder of bitcoin wallet folder

for more information about bitcoin, please visit my space

5. In Daming dragon power, after the role level reaches level 15, you can find the mine owner Wu Datong in bashiling. After completing the task of "unclean mine cave", you can get the corresponding amount of ore (the amount of ore depends on the level. The higher the level, the more ore you get). Note: 20 times of "unclean mine" tasks can be completed every day. Adopted
thank you

6. 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.

7. At present, the data capacity of bitcoin blockchain continues to grow. Now it's about 10g. When many friends install the system, Disk C is not set very large. Are you worried that disk C will explode one day. Now learn how to do data migration with me First, close bitcoin client)

1. Find bitcoin's data folder< br />
XP---C:\ Documents and Settings\ username\ Application Data\ Bitcoin

vista,win7---C:\ Users\ username\ AppData\ Roaming\ Bitcoin
(Note: appdata is hidden, set to show hidden files.)

2. Cut this bitcoin folder to other drives with large space, such as disk E

3. Edit the bitcoin shortcut on the desktop, the following line to the "target" column, and then save it:

& quot; C:\ Program Files\ Bitcoin\ bitcoin-qt.exe" - datadir=e:\ Bitcoin

now, double-click the bitcoin shortcut on the desktop, the client will start, and your C disk will be saved, releasing space successfully.

8. BTC (business to customer) is one of the categories of e-commerce according to the trading partners, which means the e-commerce of commercial institutions to consumers. This form of e-commerce is generally based on the network retail instry, mainly with the help of the Internet to carry out online sales activities. B2C mode is the earliest e-commerce mode in China, marked by the formal operation of 8848 online mall. B2C means that enterprises provide consumers with a new shopping environment through the Internet - online store, where consumers shop online and pay online. Because this mode saves the time and space of customers and enterprises, and greatly improves the transaction efficiency, especially for busy office workers, this mode can save valuable time. However, the characteristics of goods sold on the Internet are also very obvious, which are limited to some special goods, such as books, audio-visual procts, digital procts, flowers, toys and so on. These commodities demand less experience for buyers to feel, listen, touch, smell and so on. For example, clothing, sound equipment and perfume need consumers' specific sensory experience procts not suitable for sale online. Of course, they do not exclude a small number of consumers who decide to buy a certain brand of a brand without having to live experience, but such consumers are few. Especially in China, the proct quality management system is not perfect, people are more willing to believe their own experience to decide whether to buy. So far, successful enterprises in B2C market, such as Dangdang and Zhuoyue, sell some special commodities. At present, the payment method of B2C e-commerce is the combination of cash on delivery and online payment, and most enterprises choose logistics outsourcing to save operating costs. With the change of users' consumption habits and the promotion of excellent enterprise demonstration effect, online shopping users grow rapidly, accounting for 5.4% of the total Internet users in 2004. By the end of 2004, China's B2C e-commerce market reached 4.5 billion yuan, and this business model has been basically mature in China.

9. Enter Disk C (system disk)
and search for bitcoin. There will be a bitcoin folder in the search results
double click the bitcoin folder to open the bitcoin folder. The data in the folder is the data downloaded from bitcoin wallet to disk C
press the key combination CT
L
+
A to select all these files, and then press the key combination CT
L
+
delete to delete these unnecessary files completely. After deleting the junk data, the space of Disk C increases a lot.