BTC development language
The earliest is a kind of network virtual currency. It is characterized by decentralization, anonymity, and can only be used in the digital world. It does not belong to any country or financial institution, and is not subject to geographical restrictions. It can be exchanged anywhere in the world. Therefore, it is used as a money laundering tool by some criminals. In 2013, the U.S. government recognized the legal status of bitcoin, making the price of bitcoin soar
< H2 > extended information:bitcoin is e-cash similar to e-mail. Both parties need "bitcoin wallet" similar to e-mail and "bitcoin address" similar to e-mail address. Just like sending and receiving e-mail, the remitter pays bitcoin directly to the other party through a computer or smart phone according to the recipient's address
starting from the essence of bitcoin, the essence of bitcoin is actually a special solution generated by a bunch of complex algorithms. A special solution is one of the infinite (in fact, bitcoin is finite) solutions that can be obtained from the equations. Every particular solution can solve the equation and is unique
many websites for technology players have begun to accept bitcoin transactions. Websites such as mtgox and btcchina, as well as some Taobao stores, can even accept services such as bitcoin exchange for us dollars and euro. There is no doubt that bitcoin has become a real currency in circulation, rather than a virtual currency like Tencent Q coin
BTC, usdt, ETH, BCH, LTC mean respectively:
1, BTC
bitcoin. The concept was first proposed by Nakamoto in 2009. According to Nakamoto's idea, the open source software is designed and released, and the P2P network is built on it. Bitcoin is a kind of P2P digital currency. Point to point transmission means a decentralized payment system
2, usdt
TEDA currency is a virtual currency that links cryptocurrency with legal currency US dollar, and is a virtual currency kept in foreign exchange reserve account and supported by legal currency
EthEthereum is an open source public blockchain platform with intelligent contract function, which provides decentralized Ethereum virtual machine to process point-to-point contract through its special cryptocurrency ether
4. BCH
bitcoin cash is a new version of bitcoin with different configurations launched by a small number of bitcoin developers
at 20:20 on August 1, 2017, bitcoin cash starts mining, and each bitcoin investor's account will have the same amount of bitcoin cash (BCH)
5, LTC
litecoin, abbreviated as LTC, currency symbol: & # 321;; It is a kind of network currency based on "peer-to-peer" technology. It is also an open source software project under MIT / X11 license. It can help users make instant payments to anyone in the world
source of reference: network bitcoin
source of reference: network TEDA coin
source of reference: network Ethereum
source of reference: network bitcoin cash
source of reference: network letcoin
source of reference: Network
They are:
bitcoin
the concept of bitcoin was first proposed by Nakamoto in 2009. According to Nakamoto's ideas, the open source software was designed and released, and the P2P network was built on it. Bitcoin is a kind of P2P digital currency. Point to point transmission means a decentralized payment system
bitcoin cash
bitcoin cash is a new version of bitcoin with different configurations launched by a small number of bitcoin developers
extended data:
virtual currency refers to non real currency. Well known virtual currency, such as network company's network currency, Tencent company's Q currency, Q point, Shanda company's voucher, Sina's Micro currency (used for micro games, Sina reading, etc.), chivalrous Yuanbao (used for chivalrous road game), silver pattern (used for bixue Qingtian game)
the popular digital currencies in 2013 are bitcoin, Leyte coin, infinite coin, quark coin, zeta coin, BBQ coin, pennies (Internet), invisible gold bar, red coin and prime currency. At present, hundreds of digital currencies are issued all over the world. Popular in the circle & quot; The legend of "bitcoin, Wright silver, infinite copper, pennies aluminum"
I borrowed 100000 yuan when I was only 16 years old; It's an astronomical number. I'm so bold; A Suzhou mother looked at her son and couldn't restrain her emotion any more. The boy knew that he had done something wrong, stood aside and didn't say a word. She felt guilty and wronged on her childish face{ RRRRR}
as a minor, you should be more cautious and careful when you have a good imagination of the society. There are many good people in this world, but there are also some people with ulterior minds who communicate with their parents when they are not sure. They are the only people in the world who don't ask for your return. As the Spring Festival approaches, swindlers wait for the opportunity to celebrate the Chinese New Year
1. The outdoor power supply line is long, or the external wire section is small, resulting in large line loss. Once the home equipment with large power consumption is turned on (such as inction cooker, refrigerator, air conditioner, etc.), the line voltage drop is large, and the voltage is unstable. It is recommended to call the 24-hour power supply service hotline 95598, and the staff will follow up for you
2. The indoor wiring is unreasonable, the cross section of the main wire is too small, and when the equipment with large power consumption starts, the voltage drop is large, resulting in the instability of the same circuit voltage. It is suggested that for the equipment with large power consumption, separate circuit and separate wiring should be adopted
I hope our answers can help you.
1 close the bitcoin client and find the file wallet.dat
WinXP start menu, select "run" and input the following contents: Explorer% appdata% bitcoin
Windows Vista or windows 7, directly input wallet.dat in the "search programs and files" box of the start menu to search
2 right click on the file and select "add to compressed file...", then the following dialog box will appear:
3 set a file name, Check "delete source file after compression"
then click the "advanced" tab:
4 click "set password..." and enter the same password twice in the pop-up dialog box
click "OK" and then click "OK" again to complete the encryption
5 you will see that the original wallet.dat file in the wallet folder is gone, but there is an additional. Rar file
6 encryption is successful
restore wallet
1 you just need to follow the steps of "back up wallet" (described in the previous experience) to open the wallet folder of bitcoin official client
2 the backup wallet.dat file to this folder, and then overlay the original file
precautions
if you use winrar to encrypt the backup, you need to enter the correct password first to restore the wallet.dat.