Consensys Ethereum
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Ethereum is an open source public blockchain platform with smart contract function. It provides decentralized virtual machine (Ethereum virtual machine) to process point-to-point contract through its special cryptocurrency ether (also known as "Ethereum")
The token on theblockchain is called ether, and the code is eth. It can be traded in many foreign exchange markets of cryptocurrency, and it is also the medium used to pay transaction fees and computing services on Ethereum
the concept of Ethereum was first proposed by vitalik buterin, a programmer, from 2013 to 2014, inspired by bitcoin, with the general meaning of "next generation cryptocurrency and decentralized application platform", and began to develop through ICO crowdfunding in 2014. As of February 2018, Ethernet is the second highest cryptocurrency in market value, second only to bitcoin
extended data:
Ethereum platform has no characteristics and value. Like programming languages, it's up to entrepreneurs and developers to decide what to use. However, it is clear that some application types benefit more from the functions of Ethereum than others. Ethereum is especially suitable for those applications that automatically interact directly between points or promote group coordination activities across networks
for example, coordinate the application of point-to-point market, or the automation of complex financial contracts. Bitcoin enables indivials to exchange money without the help of financial institutions, banks or governments. The impact of Ethereum may be more profound
in theory, any complex financial activities or transactions can be automatically and reliably carried out on Ethereum with coding. In addition to financial applications, any application scenario with high requirements for trust, security and persistence, such as asset registration, voting, management and Internet of things, will be affected by Ethereum platform on a large scale
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about the variability of blockchain
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eth, if most people agree to modify the chain, that is, variability, then they can modify the blockchain records and contracts
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etc, blockchain records and contracts can't be modified, that is, they can't be tampered with
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here are the advantages and disadvantages of the two methods
The advantage of -
variability is that people can make timely changes to make the right decisions. Therefore, modifying the specification is more practical than finding loopholes
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non modifiability means that no matter how smart people are at that time, it is impossible not to make mistakes. Therefore, when problems arise in this scheme, it is best to find and solve the loopholes through the existing legal framework
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differences in development
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eth, whether it is intentionally arranged or since its birth, the core decisions of blockchain are made by Ethereum foundation with the participation of the community and most of them are developed by it
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etc, the decision-making of blockchain is mainly decided by the feedback of three loose, collaborative teams with community participation
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in any case, anyone can put forward improvement suggestions for the two kinds of blockchains. This is the benefit of open source, and it is also very common. You will find that developers of the two chains communicate with each other through GitHub and reddit. I hope to improve the frequency of communication in order to achieve the common goal
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about compatibility
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at present, the two kinds of blockchains are compatible with each other. Contracts or applications written by eth can be applied on etc, and vice versa
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eth, focusing on ewasm, is committed to providing a platform for more and more developers, while the issue of contract security is secondary, such as viper
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etc focuses on making developers create more secure contracts, such as viper, iohk research, at the cost of consuming the number of potential developers
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it's obvious that both chains can accept each other, regardless of whether their wishes are the same or not. My view is that the number of developers is not necessarily related to the quality of the proct
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about the transaction speed
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eth, the average is 25 seconds, which will be shortened after upgrading
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etc, with an average time of 14 seconds, maintained at 10-14 seconds after upgrade, according to ecip-1010 and ecip-1036 protocols
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about the block capacity
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eth, with the daily trading volume of eth graally reaching 5 million, the block capacity is graally saturated. This situation is similar to the recent transaction cost of bitcoin. This problem can be solved by expanding the block capacity by increasing the default fuel limit
ETC， At present, there is still a lot of room for block capacity. As more and more people accept etc, the block capacity will also increase, just like eth
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about community
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eth, mainly discuss on reddit
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etc, mainly discuss on slack
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about monetary policy
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eth, the planned supply is growing steadily, resulting in an average inflation of 3% in eth blockchain in its life cycle
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etc, before 2025, inflation will reach 3%, and then the total supply will reach 200 million etc, and then there will be deflation
As for the regional distribution of trading volume, China accounts for 20%, South Korea 25% and the United States 25% In etc, China accounts for 50%, South Korea 25% and the United States 10% About securities, at present, investors do not have the option to trade securities. Recently, one of eth's ETFs, trading open-end index funds, was denied by the regulators -
etc owns etc trading trust, which allows investors to own etc instead of the asset itself
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
According to foreign media reports, although the price of bitcoin has dropped sharply this year, the cryptocurrency conference is still a major event
This week, coindesk, a well-known bitcoin news website, will hold a three-day bitcoin conference in New York City with a ticket price of about $2000. It is expected that 4000 people will attend the meeting, which is a lot more than last year's 2700 people. As a result, ticket revenue for the conference will be at least $8 millionwithin a few days of the bitcoin conference in New York, there are 20 other conferences held at the same time, and the ticket price of these conferences is also very high. Three years ago, the consensus conference was first held, and only 400 people attended. Now, the conference has become the main feature of blockchain week NYC
before and after the consensus meeting held in May last year, the price of bitcoin soared to about $2000. Of course, this is also the result of the first tokensummit summit and ethereal summit
since then, the price of bitcoin has skyrocketed, successfully attracted the interest of Wall Street, and exceeded $10000 for the first time after the consensis invest meeting held in November. In December, the price of bitcoin peaked at more than $19000. But since then, its price has fallen by more than half
strong speaker lineup
this year's speaker lineup shows that the cryptocurrency instry has taken an important step towards the mainstream direction. Jack Dorsey, co-founder of microblogging site twitter, is e to speak at the consensus conference on Wednesday. Square, his mobile payment company, also launched bitcoin trading this year. Other members of the meeting's expert group include government officials and heads of start-ups
"the consensus conference is very famous. If you give a speech at the conference, it means that you are also very famous." Said Michael oved, co-founder of airswap, the cryptocurrency exchange. He is also the organizer of the fluidity blockchain conference held last Thursday
he said that he deliberately lowered the ticket price of his fluidity conference to $150-250. Because he thinks it's a "good opportunity for us to share what we're studying.". About 700 people attended the fluidity conference, and ticket sales reached about $140000, oweed said
"ironically, the organizers charge a lot, but they never pay the speakers. These speakers are the people who are most concerned about the development of the blockchain community and are most eager to share new developments. " She tweeted on April 28
she will give speeches at ethereal summit and consensus meeting this week“ Neither of these meetings paid me for my speech. " She said. She added, "live online is a great way for the public to watch the content of the conference."
"too many meetings, it's crazy"
all kinds of meetings are very powerful and lively, but we don't know whether they finally help start-ups, especially those with imperfect management
"there are too many meetings now. It's crazy." "In the San Francisco Bay area alone, there's a weekly meeting on blockchain," oweed said. It's easy for us to be distracted by these meetings. "
however, some people are convinced that these meetings will eventually be the catalyst for the recovery of bitcoin prices
"after the previous consensus meetings, the price of bitcoin will rise. This fact strongly supports our view that the price of bitcoin has hit the bottom this year. " "During every meeting, the price of bitcoin goes up 10-70%," Tom Lee, co-founder of fundstrat global research, a market research firm, said in a research briefing on May 7
he added, "considering the significant increase in the number of participants, we believe that the price of all cryptocurrencies will increase similarly."
project details are generally released by the project party on some ICO platforms, which are responsible for auditing, and detailed relevant information should be submitted when releasing. It can be inquired by users. The following is what we need to refer to: > whether the information of project team members is fake > whether the official website has been put on record recently > whether the total amount of the project is reasonable > whether the amount of additional issuance is excessive > whether the token allocation of the project is reasonable > whether the project development planning and development plan are clear II. Proct analysis type: application type Platform class and underlying technology class make corresponding analysis according to different blockchain projects to determine whether the project is suitable for blockchain technology development, and compare the existing procts in the instry for analysis. For example, a project party now needs to build a decentralized content distribution platform. We can refer to the better tou in the instry. As a unicorn in the field of content distribution, today's Toutiao has had 500 million registered users since it was launched 12 years ago, and dau is close to 100 million User composition: advertisers, content procers, content readers, content Ecology: UGC + PGC content generation mode has become complete, content composition is diversified, graphic information + short video + live broadcast profit model: e-commerce advertising, information flow advertising for flow cash, proct advantages: large number of users, information classification push based on specific algorithm, Good user experience, good user habits financing experience: round C $1 billion based on the above information and the white paper of the project, what are the real advantages of this blockchain project? If the project white paper can not clearly describe the structure of the proct, but just talk about the concept, then it is very likely that the proct is unreliable Third, market analysis competitive procts: there are not only Sina, Sohu, Tencent, Netease, Phoenix, Yidian information, zaker, network news, Zhihu daily and other big platforms. There are also a series of vertical content procts to compete with degree of competition: a large number of users have formed a fixed habit of information acquisition, which indicates that the new platform will greatly increase the cost of customer acquisition IV. analysis of users and use scenarios > content readers: information acquisition, entertainment relaxation, skill learning, emotional expression, eye stimulation, policy interpretation, consumption decision-making, etc
> content procers: high quality content manufacturers, receive advertising, earn advertising fees
5 Analysis of instry problems> definition of effective traffic and recommendation mechanism of platform lead to unstable income of content manufacturers
> impact of advertising placement on user experience
> poor effect of information flow advertising for some types of procts Information platform: SNC, matchpool
> asset transaction: omisego, openanx, Bytom, gongxinbao
> cloud storage technology: storj, IEX. EC
> application distribution, mobilego
> e-wallet: Status, Monaco
> content distribution: yoyoyoow
> intelligent investment: Yuanfei
> intelligent contract: aeternity
> Digital Advertising: youwifi Bat
> Company: dcorp
> ICO crowdfunding, venture capital fund: onplace
> blockchain transaction: icocoin, quantum chain qtum =
> Medical: cloud medical chain his, medical chain
> business incubator Fund: starta
> blockchain technology application
> digital assets: tenx, ruizi chain Zengold
> game account system: ugchain
> New Media: cloud chain
> election: election chain ELC
> asset exchange: swft platform
> Copyright: IPC intellectual property chain, printing chain
> computing power: sonm
VI Technical strength analysis
● whether the core technology is innovative and instry forward-looking
● technical feasibility and implementation difficulty
> whether the proct type can give full play to the advantages of blockchain technology
< P > > whether the project is released and whether the test network> whether the project is open source. Generally, open source projects will be uploaded to GitHub,
● which blockchain to develop based on
> which consensus mechanism to use
7. Analysis of team composition
> whether there are big bulls in the team
whether it is technology bulls: such as stratis CEO Chris trew, Eyal Hertzog of Bancor founding team, For example, tenx's investors include vitalik buterin, founder of Ethereum, and Shen Bo, partner of distributed capital
he is also the initiator of a blockchain proct crowdfunding project, which is the icocoin project released by Yang Yike, the former co-founder of bitcoin China. Or the initiator of the blockchain project is Li, the richest man of bitcoin in China, who released the press one project. This project is reliable in a sense. Of course, there are some special cases, such as the recent Li Mou Lai, a project to engage in the whole circle of fury
Whether the team structure is scientificlegal adviser, instry consultant, project management committee and third-party organization
8. The reference blockchain project rating website
is relatively reasonable. There are many rating websites, and the rating standards of each platform are not the same. There may be a big gap between the ratings given by the same project on different platforms, At this time, we need
to have a deep understanding of the basic knowledge related to blockchain and have a certain ability of self judgment. Don't trust experts. Many so-called experts may have interests tied with the initiator of blockchain projects
9. Direct communication the last and most important point. Whether it's face-to-face roadshow, forum community or community communication, people can intuitively understand whether the sponsor of this project is reliable. Whether for blockchain proct projects or technical problems, they can be answered by the project side. Whether it is reliable or not will be known as soon as it is tested① create a panel workfile (pay attention to the start and end years, and fill in the number of cities corresponding to you in cross sections, such as 9)
② quike → empty group → import data (you need to manually enter the variable name in the first line, Select the first row and then click ↑)
③ view → principle components → click OK
to do it
good luck~