Does anyone question Ethereum

1. blockchain pet game

ether clown is a blockchain pet cultivation game launched by IAC advertising platform, which combines with pet entertainment to make money easily, and at the same time combines with blockchain technology to ensure the interests of players. Experience the fun of raising, working, earning and reselling, beautiful pictures, rich experience and happy income! Make a real game, let players get a more comfortable experience, with the game this well-known proct form, the human into the era of full intelligence
ether clown is a digital collection, a non-standard digital currency (ether currency, etc.), which is based on blockchain and can never be changed. It can be verified by a third-party platform to clearly query the relevant data information! Cryptoclow is a digital and collectable blockchain game based on Ethereum blockchain. Using ether money to adopt clowns can not only resell them, but also use them to breed a new generation of clowns with strange shapes. It can also cultivate them to work and earn money, making the digital collection of clowns more sustainable and playable# Ethereum clown#

2.

There is an essential difference between Ethereum and bitcoin. What is the difference? Bitcoin defines a set of currency system, while Ethereum focuses on building a main chain (which can be understood as a road) to allow a large number of blockchain applications to run on this road

from this point of view, Ethereum's application scenarios are more extensive, which is why we say that Ethereum marks a simple monetary system in the era of blockchain

1.0, and a transformation to other instries and application scenarios in the era of blockchain 2.0

however, there is no perfect thing in the world. Although Ethereum has expanded the application scope of blockchain in all walks of life and improved the speed of transaction processing, it also has some disputes and doubts

first, the solution to the lack of scalability of Ethereum: slicing technology and lightning network

the bottom design of Ethereum, the biggest problem is that Ethereum has only one chain and no side chain, which means that all programs have to run on this chain equally, consuming resources and causing system congestion. Just like last year's very popular Ethereum game "encryption cat", when this game was very popular, it once caused Ethereum network paralysis

to improve the processing capacity, Ethereum proposes two ways: shard and lightning network. Let's introce these two technologies respectively

(1) fragmentation technology

vitalik buterin, founder of Ethereum, believes that the reason why mainstream blockchain networks such as bitcoin process transactions very slowly is that every miner has to process every transaction in the whole network, which is actually very inefficient. The idea of fragmentation technology is: a transaction does not need to be processed by all nodes in the whole network, as long as some nodes (miners) in the network are allowed to process it. Therefore, Ethereum network is divided into many pieces. At the same time, each piece can handle different transactions. In this way, the network performance will be greatly improved

however, the slicing technology is also controversial. As we all know, the important idea of blockchain technology is decentralization. Only when the whole network witnesses (processes) the same transaction can it have the highest authority. The Ethereum slicing technology is similar to the group witness, not all nodes witness together. In this way, it will lose the absolute "decentralization" attribute, and can only achieve the purpose of high performance by sacrificing certain characteristics of decentralization

(2) lightning network

lightning network uses the way of transaction under the chain. What does that mean? It means: when the participants of lightning network transfer money to each other, they do not need to confirm the transaction through the main chain of Ethereum, but create a payment channel between the participants and complete it under the chain

however, lightning network is not separated from the main chain. Before establishing a payment channel, you need to use the assets on the main chain as collateral to generate a balance proof, which indicates that you can transfer the corresponding balance. In the case that both parties of the transaction hold the balance certificate, both parties can make unlimited number of transfers under the chain through the payment channel

only when the off chain transaction is completed and the assets need to be transferred back to the chain, the balance change information of the main chain account will be registered on the Ethereum main chain, and no matter how many transactions occur ring this period, there will be no record on the main chain

another real benefit of lightning network is that it can save the cost of miners for you. At present, when we trade on the main chain of Ethereum, we need to consume gas and pay for miners. Once we move the transaction to the lower chain, we can save this part of the cost

Of course, lightning network is not perfect. When using the lightning network, the assets on the main chain should be used as collateral; And this part of assets as collateral can not be used before the user completes the transaction under the chain. This also determines that lightning trading is only suitable for small transactions

the above is the problem of insufficient scalability of Ethereum, as well as the two main solutions: fragmentation technology and lightning network

Second, there are loopholes in Ethereum's smart contract and the infamous Dao event

Ethereum's smart contract is very powerful, but there are loopholes in any code. The biggest controversy of Ethereum's smart contract lies in the so-called loopholes, that is, security issues. According to relevant research, 34200 (about 3%) of the nearly 1 million smart contracts based on Ethereum contain security vulnerabilities, which will allow hackers to steal eth, freeze assets or delete contracts, such as the infamous Dao incident

(1) what does Dao mean

before introcing the Dao event, let's first introce what Dao is. Dao is the abbreviation of decentralized

autonomous organization, which can be understood as decentralized autonomous organization. From the perspective of Ethereum, Dao is a kind of contract or a combination of contracts on the blockchain, which is used to replace the government's review and complex intermediate proceres, so as to achieve an efficient and decentralized trust system. Therefore, Dao is not a specific organization, that is to say, there can be many Dao, all kinds of Dao

(2) the infamous Dao event

however, when we talk about Dao now, we basically refer to the Dao event, that is, the infamous hacker attack event we just mentioned. As we know, the English word "the" refers to "the Dao event". The Dao event

refers to "the Dao event", because we just said that Dao is not a specific organization, there can be many Dao, all kinds of Dao

in 2016, slock.it, a German company focusing on "smart locks", launched the Dao project on Ethereum in order to realize decentralized physical exchange (such as apartments and ships). Since April 30, 2016, the financing window has been open for 28 days

unexpectedly, this Dao project is very popular. It raised more than US $100 million in just half a month. By the end of the whole financing period, it raised a total of US $150 million. Therefore, it has become the largest crowdfunding project in history. However, it didn't last long. In June, hackers took advantage of the loopholes in the smart contract to successfully transfer more than 3.6 million Ethernet coins and put them into a Dao sub organization, which has the same structure as the Dao. At that time, the price of Ethernet currency fell directly from more than $20 to less than $13

this event shows that there are loopholes in smart contracts, and once the loopholes are exploited by hackers, the consequences will be very serious. This is why many people criticize Ethereum and say that its smart contract is not smart

to solve this problem, many foreign companies begin to provide code audit services in order to solve the vulnerability problem of smart contract. From a technical point of view, some teams are currently testing smart contracts. Most of these teams are led by professors from Harvard, Stanford and Yale, and some of them have obtained investment from leading institutions

in addition to the problems of insufficient expansibility and loopholes in smart contracts, the controversy over Ethereum lies in the POS consensus mechanism it pursues, that is, the proof of equity mechanism. Under the proof of equity mechanism, if anyone holds more money and holds it for a longer time, he will get more "rights" (interests) and have the opportunity to get bookkeeping power, Bookkeeping can also be rewarded. In this way, it is easy to create the oligarchic advantage of "the stronger the stronger"

Another problem is the chaos of ICO. ICO is a common way to raise funds for blockchain projects, which we can understand as pre-sale. The outbreak of ICO projects on Ethereum has caused illegal activities such as fund allocation and money fraud under the banner of ICO, which has caused security risks to social and financial stability

3. In May 2017, investors and onlookers saw bitcoin worth more than $2300. This number marks the highest price of bitcoin in its entire career. Due to the success of bitcoin in the past few years, many investors are attracted by it and other cryptocurrencies
however, bitcoin is not the only cryptocurrency with rising value. The value of another cryptocurrency called Ethereum has been increasing since January 2017. From $8.24 to $203. Up 2367%
investors are worried that in the past few years, cryptocurrencies have gained the favor of many investors who are looking for other investment methods than traditional ones. Although most investors still invest their money in traditional financial markets, such as the stock market and foreign exchange market, many of these investors have begun to worry about the economic climate of the world economy
recent events have made us aware of the instability of traditional financial markets such as the stock market and foreign exchange market. Many investors have been looking for other ways to invest their money
with the creation and popularization of cryptocurrency and its rapidly rising value, many investors, especially those from Asia, have joined the trend of bitcoin and cryptocurrency
advantages of Ethereum
although many people are more familiar with it, Ethereum has also gained a fair share of the market with its own value. However, there are key differences between the blockchains used by Ethereum and bitcoin
the difference between the two systems is that Ethereum's data processing speed is faster than that of bitcoin, because once agreed, Ethereum's system will automatically apply to the terms and conditions in the contract
although many people may think that Ethereum may be inferior to bitcoin because its value is lower than bitcoin, this is a good thing for investors who are looking for investment channels other than bitcoin. A lower price may attract more investors because it has more room for growth. The only drawback is that Ethereum is not as established as bitcoin. In view of this, bitcoin is more secure than Ethereum<
not as volatile as before
since bitcoin was founded in 2009, cryptocurrencies have made great achievements, and they have continued to grow. In fact, the value of legal cryptocurrency has risen a lot since then
although cryptocurrencies have performed very well this year, analysts expect that when the economic situation is good, investors will leave cryptocurrencies and return to traditional investment media. When this happens, the volatility of cryptocurrency will decrease because of the decrease of demand
of course, we will still see the growth of cryptocurrency in the next few years, which will help the instry remain strong. When that happens, it's a good idea for investors to hold cryptocurrencies for future growth.

4. 1. What is the ether classic<

etc (Ethereum Classic) is a bifurcated currency that Ethereum hard bifurcates after 1920000 blocks, and its function is very similar to Ethereum. Etc adheres to the concept of decentralization and supports the consensus mechanism of blockchain guarantee. Etc firmly believes that once the blockchain starts to run, its development direction will not be controlled by any central team, but will be determined by the consensus of the people participating in the whole network and the consensus of the computing power of the whole network

the Ethereum blockchain hard branching in July 2016 aims to transfer the Dao funds stolen by hackers to an account controlled by investors, and let the old transaction records be forgotten by history. Most Ethereum developers are involved in the reversal, as are exchanges, startups and other members of the ecosystem. A few days later, the project returned to normal. But not everyone wants to forget the old record. As a result, a small number of miners continued to use the original blockchain as a protest. They described the hard fork as a capital withdrawal for the abandoned project of the Dao. So Ethereum classic (etc) was born

2. Detailed parameters

Chinese Name: Ethereum classic English Name: Ethereum classic English abbreviation: etc

developer: Ethereum Classic team core algorithm: ethash consensus proof: POW

release date: 2016 / 7 / 20 block time: About 15-17 seconds / block

total currency: fixed at 210 million, up to 230 million, Every 5 million blocks decelerate by 20%, and the first proction rection is expected to be in December 2017

main features: independent cryptocurrency

5. Really, Ethereum itself is a kind of virtual digital currency. When trading, it is a string of numbers. How can there be a fake? ZB trading has been going on for many years

6. In fact, the rise and fall of digital currency is a normal situation. The key is to see whether you are optimistic about its long-term value. Relatively speaking, if the long-term value is worth investing in, then the short-term decline can be ignored. At the same time, if you don't know much about digital currency users, it is recommended to choose a reliable and good platform for investment. The investment period needs more than six years, Word of mouth should always be good, you can take a look at AEX, fire coin these two, but also more reliable, you can also understand their own network first

7.

It does not belong to MLM

Ethereum is an open source public blockchain platform with smart contract function, which provides decentralized virtual machine (Ethereum virtual machine) to process point-to-point contract through its special cryptocurrency Ethereum

the concept of Ethereum was first proposed by vitalik buterin, a programmer, from 2013 to 2014, inspired by bitcoin, to the effect of "next generation cryptocurrency and decentralized application platform", and began to develop through crowdfunding in 2014. The market value of Ethernet currency is second only to bitcoin, and it is the second largest encrypted digital currency in the world

extended data

bitcoin has created the first decentralized cryptocurrency, and has fully tested the feasibility and security of blockchain technology in more than five years. In fact, bitcoin's blockchain is a set of distributed database. If a symbol bitcoin is added into it and a set of protocol is specified, the symbol can be transferred safely on the database without trusting a third party. The combination of these features perfectly constructs a currency transmission system bitcoin network

however, bitcoin is not perfect, and the scalability of the protocol is a deficiency. For example, there is only one symbol in the bitcoin Network - bitcoin, and users can't customize other symbols. These symbols can represent the company's stocks or debt certificates, which will lose some functions

In addition, a stack based scripting language is used in bitcoin protocol. Although this language has some flexibility to realize functions such as multi signature, it is not enough to build more advanced applications, such as decentralized exchanges. Ethereum is designed to solve the problem of insufficient scalability of bitcoin

8. It's reliable and worth it. Short sighted investors generally focus on immediate interests. So a lot of people play contract leverage. Those who really have a long-term vision are those who invest in Ethereum. That's why the Chinese currency can be sealed by Forbes, one of China's four largest spot exchanges, because there is no contract.

9. The central bank does not recognize digital currency
on September 4, the central bank and other seven ministries and commissions issued the notice on preventing the financing risk of token issuance, and the ICO trading platform was completely suspended. After September 14, the relevant token platforms successively removed procts or stopped trading. After the news came out, digital currency was boiling

some people can't help asking: with the collapse of ICO and the closure of bitcoin platform, is digital currency over? Here the central bank gives the answer. The central bank reports that around the Spring Festival this year, the block chain based digital bill trading platform promoted by the central bank has been tested successfully, and the digital currency Research Institute of the central bank will also be officially listed. China's sovereign digital currency will accelerate its arrival. Then some people will question whether China will proce its own bitcoin? Here, let's talk about what is digital currency:

digital currency

digital currency is different from virtual currency, not bitcoin or q-coin! That is to say, it is different from virtual currencies such as bitcoin and Ethernet

virtual currency can only be closed in circulation on the network, just like Tencent's q-coin and Dashen's coin on the platform of Dashen software collaborative instry ecological chain. They can only be used for one use of their own procts. Digital currency can be used for real goods and services transactions, but only the digital currency issued by the state is legal digital currency, bitcoin is illegal digital currency. As for legal digital currency, there is no unified international definition. Yao Qian, deputy director of the science and Technology Department of the people's Bank of China and head of the preparatory group of the digital currency Research Institute, believes that the digital currency researched and issued by the people's Bank of China is indexed RMB. From the perspective of national schemes, it belongs to legal encrypted digital currency, which is not only a payment tool but also a currency. Correspondingly, virtual currency is also called illegal fixed digital currency. Li Lihui, head of the blockchain working group of China Internet Finance Association, once said that digital currency must have legal status, national sovereignty endorsement, and clear responsibility subject of issuance. Virtual currencies represented by bitcoin and ethereal currency have no country, no sovereign endorsement, no qualified issuers, and no national credit support. These are not digital currencies.

10.

When Ethereum broke through the $3000 mark, the bitcoin market caused these impacts:

1. Ethereum broke through and rose $3000, bitcoin and other virtual currencies received more and more attention:

2. Bitcoin and Ethereum are both virtual currencies, and they have linkage effect

3

emerging instries will encounter difficulties in the development process. After these difficulties are solved, new cognition will be formed, which will break everyone's cognition and be accepted by everyone. Bitcoin is like this, from doubt to recognition and then to acceptance. Ethereum broke through the $3000 mark, which had a significant impact on the bitcoin market. The virtual currency has formed a plate effect from bitcoin to dogcoin, and now Ethereum. This shows that the virtual currency is getting more and more attention. There is a strong linkage between virtual currencies. The rise of Ethereum may also stimulate the rise of bitcoin, Finally, the valuation of virtual currency may be greatly improved, which is actually very beneficial to the whole virtual currency

there is a lot of controversy about virtual currency now, because no one can control the decentralization, and basically no country recognizes their value, but this has not affected the rise of Ethereum based virtual currency, which is actually the problem of pattern and cognition. For ordinary investors, I do not recommend to participate in virtual currency, which is too risky to grasp< br />