One card has low calculation power

1. Ming Ma went to buy cigarettes yesterday and bought 20 bags. Give the boss 50, find me 40, I pack in my pocket and go, not far away, the boss called me: you didn't take the cigarette! I left moved tears, took out ten yuan to the boss: you give me ten yuan more. The boss also left moved tears: young man, bring the cigarette, I will change a bag for you. Smoking the cigarette that the boss changed for me, the pure flavor can't help touching me again: boss, take the 50 one just now, and I'll change it for you. The boss took over the 50 and was moved again: young man, give me your change just now, and I'll change it for you. After receiving the money my boss gave me, I was moved again. I took out a mobile phone from my pocket: boss, I'd better give it back to you. The boss tears, shaking out a wallet: young man, wallet to you. At this time, the young man couldn't control it any more. He fell on his knees and cried, "brother, go to room 304 of the hotel next door and take your daughter back home from primary school!". The boss was surprised and sighed. He turned back to the shop and yelled, "red apricot, the watch is hiding. Come out and go back with your husband!"———— Are you thinking of me when I miss you

2. There are many reasons for the low computing power of S7 bitcoin

1. It may be the problem of temperature. Low or high temperature will affect the calculation force of the miner
2. There are problems in the miner itself, which lead to abnormal calculation force
3. The aging of mining machine leads to the decrease of calculation power, and the calculation power of second-hand mining machine is relatively the first
bitcoin, Leyte coin, sand coin and all the mining machines that need mining are like this.

3. Unreliable, unreliable, unreliable, don't lose the principal for small profits. Personal opinions are for reference only

4.

virtual currency refers to non real currency. Well known virtual currencies, such as online currency of Internet company, q-coin of Tencent company, q-point and voucher of Shanda company, micro currency launched by Sina (used for micro games, Sina reading, etc.), chivalrous Yuanbao (used for chivalrous road game), silver grain (used for bixue Qingtian game), and popular digital currencies in 2013 include bitcoin, Laite coin, infinite coin, quark coin, zeta coin, etc Barbecue coins, pennies (Internet), invisible gold bars, red coins, prime coins. At present, hundreds of digital currencies are issued all over the world. The legend of "bitcoin, Wright silver, infinite copper, pennies aluminum" is popular in the circle

network virtual currency can be roughly divided into

[1] the first category is familiar game currency. In the era of stand-alone games, the protagonist accumulates money by knocking down the enemy, entering the gambling house to win money, and using these to buy Herbs and equipment, but it can only be used in his own game console. At that time, there was no "market" between players. Since the establishment of Internet portal and community, the realization of game networking, virtual currency has a "financial market", players can trade game currency

[2] the second type is the special currency issued by the portal website or instant messaging service provider, which is used to purchase the services in the website. The most widely used is Tencent's q-coin, which can be used to purchase membership, QQ show and other value-added services

[3] the third kind of virtual currency on the Internet, such as bitcoin (BTC), lightmoney (LTC), etc. bitcoin is an electronic currency proced by open-source P2P software. Some people also translate bitcoin as "bitcoin", which is a kind of network virtual currency. It is mainly used for Internet financial investment, and can also be directly used in daily life as a new currency

[4] the application of computer communication technology and the development of Internet as a new media are the technical basis of network marketing. Internet was born in the 1960s. With the development of network protocols and related hardware and software procts, Internet has graally changed from military to commercial and civil. From the 1990s, the Internet has graally entered into the daily life of society. As a matter of fact, the Internet, as an emerging media, has developed faster than all other technologies in the past. It took 38 years for radio to reach 50 million audiences, 13 years for television, and only 3-4 years for Internet. Therefore, the Internet is considered to be the technological change that has the greatest impact on the world economy in the past 100 years

virtual currency

5.

At the end of 2017, digital currency experienced explosive growth and Waterloo like decline in 2018, and now it tends to be stable. During this period, a large number of investors poured into the currency circle, and all kinds of digital currencies need to be bought and sold through exchanges or digital currency wallets. However, in 2018, there were frequent incidents of exchange digital currency theft, so more and more traders chose to store digital assets in digital currency wallets, Sort out the five most well-known digital currency wallets and let's get to know them

Bitpai (score: 8.5)

bitpai is a comprehensive blockchain asset service proct based on HD wallet. Its main functions include: sending and receiving, buying and selling, accelerating transaction, etc. The user controls the private key, and the coin after the transaction is completed is directly kept by the user. At present, the currencies it supports mainly include BTC, BTC, ETH, some erc2.0 tokens, qtum, HSR, dash, safe, LTC, LCH, Zec, etc and Doge

advantages: the balance of the current digital currency can be displayed at the top of the front page of the wallet, and the upper left corner can be switched to other digital currencies, and the currency balance can also be switched from quantity to legal currency value. There are many functions in the middle, such as issuing currency, receiving currency, one click trading, etc. the broadcast of each transfer transaction is displayed below, and the completed transaction can also be queried in the transaction record. After leaving the bitpai app interface for a period of time, you need to unlock it when you re-enter, which improves the security of the wallet

deficiency: Only Mainstream currencies are supported, other small currencies are not supported, and the number of currencies is 10 +. The page setting is not user-friendly, and various parameters make it difficult for users to use. In addition, the security is worrying: Recently, there is a problem with bitpai IOS version, and the application can't be opened, and the official said: if you unload it carelessly, the assets in your wallet may not be recovered! It's still in Apple communication

download address: bitpie.com

2. Geek wallet (rating: 8.2)

geek wallet is a simple and convenient light wallet, which supports the storage and management of mainstream digital currency assets such as bitcoin (BTC), lightcoin (LTC), Ethereum (ETH), EOS, usdt, etc

advantages: high security factor, using local private key security mechanism, as well as mobile phone and computer al backup strategy, supporting the current mainstream currency, the platform has a jump market, which can carry out token trading of physical assets on the chain

deficiency: usdt transaction must use 0.0001 BTC as transaction handling fee, does not support some small currencies, page optimization is good, but the function is less

download address: www.geekwallet.org 、 www.geekwallet.cn

3. Imtoken (score: 8)

imtoken is a mobile light wallet app, which supports Eth and Ethereum erc2.0 standard tokens (such as EOS, DGD, SNT, qtum), and is a necessary wallet for Ethereum series of digital currencies

advantages: as a light wallet of Ethereum series, mtoken supports all the tokens of Ethereum erc2.0 standard, can control the miner's fee of each coin, can set the amount of collection, and has convenient transaction record query, refreshing interface, simple operation, so it is suitable for ICO investors who need to receive a variety of erc2.0 standard tokens and do not trade frequently

The "discovery" mole of wallet is not intuitive enough. 2. The tokens that can only be stored on the Ethereum platform, such as BTC and Neo, can't be stored. At the same time, the bifurcations of bitcoin can't be stored

download address: token. Im

4. Kcash (score: 7.8)

kcash is also a light wallet, which currently supports BTC, ETH, LTC, etc, act and digital currency based on Ethereum and achain smart contract platform. Kcash has cross chain and cross contract technology, and the supported currencies are still increasing

advantages: as a Multi Chain Wallet, kcash supports multiple types of digital currencies and is very friendly to users who invest in multiple series of digital currencies. In addition, kcash also has the function of sending red packets, and in the future, it will launch currency transaction, bank card connection and other functions

deficiency: too many features lead to poor usability. In addition, there are some problems with the compatibility of Android versions. Some Android models will flash back when they open the app

download address: kcash.com

5. Cobo (rating: 7.8)

Cobo is a professional digital asset management wallet, which can help you store assets safely, and the unique POS gain can help you increase the value of assets. It supports more than 20 kinds of digital assets including eth, EOS, TRX, and more than 500 kinds of tokens

advantages: Cobo security is in the lead in the same level, using multiple security verification, hot and cold separation storage, HSM multi signature, Cobo provides you with stable income through intelligent voting, dpos vote pool, POS mining digital asset gain matrix

deficiency: the page optimization is poor, the function is complex, it's a little difficult to get started, and there is also a flash back problem of Android version

download address: cobo.com

6. Based on the decentralized characteristics of blockchain technology, the application of blockchain technology can be said to be more, but at present, the substantive application is still less, mainly applied in the fields of finance, medical treatment, authentication, smart contract, sharing economy, digital assets and so on. For example, Yingtang Zhongchuang's blockchain solution is mainly in the development of data encryption, transaction protection and data security transaction system, while other enterprises are more focused on internal needs.

7. Sifang computing power app is more convenient for mining. It can only rent computing power on the app, which is really low investment and high return.

8. There is no such thing, mental arithmetic ability is poor, mathematics can be good. Mental arithmetic is useful in primary school, but not in middle school.

9. Mental arithmetic is also an aspect of intelligence. At least you score less than others. It also lowers your IQ test score.