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Im Ethereum for atom

Publish: 2021-05-22 14:37:03
1.

what is digital currency

digital currency can be used to describe all electronic currencies, including virtual currency and cryptocurrency. Digital currency is a kind of electronic currency without any physical form. Because of its functions and inherent attributes, it is the same as the standard illegal fixed currency, and can also be referred to as the network version of cash. Digital currency is invisible. People need to use and hold it through devices that can be connected to a specific network

T1: eth (the first public chain at present, the underlying platform of Shanzhai coin breeding, and in the speculation of eth2.0) EOS (community consensus + DAPP possible explosion + defi can also join + drop out of high cost performance) Zec (anonymous leader)

T2: Yas (UBI concept, low market value, great potential) atom (cosmos, advantage new public chain), XRP (the decline in 2019 has not risen, so the upward space is still very large) Polkadot dot (Boca, the goal is to surpass Ethereum) KSM (Boca pioneer)

T3: Ada (potential) NEO (myth of 1000 times of the last bull market), ont (strong village), Iost (Iost is currently undervalued, DAPP is also in good development)

there are platform coins in the coin circle, corresponding to HT, BNB, MX

2.

blockchain blockchain is a new application mode of computer technology such as distributed data storage, point-to-point transmission, consensus mechanism and cryptocurrency algorithm. Is a shared distributed ledger in which transactions are permanently recorded through additional blocks

2, block - block

in the bitcoin network, data will be permanently recorded in the form of files, which we call blocks. A block is a set of records for some or all of the latest bitcoin transactions and is not recorded by other previous blocks

3. Node -- a of the ledger operated by the participants of the blockchain network

Decentralization is a phenomenon or structure, which can only appear or exist in a system with many nodes or in a group with many indivials. The influence between nodes will form nonlinear causality through the network

5. Consensus mechanism

consensus mechanism is to complete the verification and confirmation of the transaction in a very short time through the voting of special nodes; For a transaction, if several nodes with unrelated interests can reach a consensus, we can think that the whole network can also reach a consensus

6. POW -- proof of work refers to how much money you get depends on the amount of work you contribute to mining. The better the performance of the computer, the more money you will be given

In POS mode, your "mining" income is directly proportional to your currency age, and has nothing to do with the computing performance of the computer

8. Smart contract

smart contract is a kind of computer protocol which aims to spread, verify or execute the contract in an information way. Smart contracts allow trusted transactions without a third party, which are traceable and irreversible

9, time stamp

time stamp refers to the string or encoding information used to identify the recorded time and date. The international standard is ISO 8601

Turing completion refers to the ability of a machine to perform calculations that any other programmable computer can perform

DAPP decentralized application is an open source application that runs automatically, stores its data on the blockchain, motivates it in the form of cryptocurrency token, and operates with protocols showing valuable proof

Dao, a decentralized autonomous organization, can be regarded as a company that operates without any human intervention and gives all forms of control to a set of unbreakable business rules

13. Privatekey - private key

a private key is a string of data that allows you to access a token in a specific wallet. As cryptocurrency, they are hidden except for the owner of the address

14. Publickey -- public key

is paired with private key. The public key can calculate the address of the currency, so it can be used as a certificate to own the address of the currency

15, miner

try to create a block and add it to the computing device or software on the blockchain. In a blockchain network, when a new effective block is created, the system will automatically give the block creator (miner) a certain number of tokens as a reward

16. The mine pool is a fully automatic mining platform, which enables mining machines to contribute their computing power to mine together to create blocks, obtain block rewards, and distribute profits according to the proportion of computing power contribution (that is, mining machines access the mine pool - provide computing power - obtain income)

17, public chain

fully open blockchain, refers to anyone can read, anyone can send transactions and transactions can be effectively confirmed, people all over the world can participate in system maintenance, anyone can read and write data through transactions or mining

18. Private chain

write permission is only for the blockchain of a certain organization or a specific few objects. Read permission can be open to the outside world or restricted to any extent

19, alliance chain

consensus mechanism is a blockchain jointly controlled by several designated institutions

20, side chain

wedged side chains technology, which will realize the transfer of bitcoin and other digital assets between multiple blockchains, which means that users can access the new cryptocurrency system when they use their existing assets

21, cross chain technology

cross chain technology can be understood as a bridge connecting the blockchains, and its main application is to realize atom transaction, asset conversion, information exchange within the blockchain, or solve Oracle problems among the blockchains

22. The hard fork

blockchain has permanent divergence. After the release of the new consensus rules, some nodes that have not been upgraded cannot verify the blocks proced by the upgraded nodes, and usually the hard fork will occur

23, soft forking

when the new consensus rules are released, nodes that have not been upgraded will proce illegal blocks because they do not know the new consensus rules, which will lead to temporary forking

24, hash -- hash value

generally translated as "hash", but also directly transliterated as "hash". In short, it is a function that compresses messages of any length to a message digest of a fixed length

25, main chain

the word "main chain" comes from the main network (, relative to the test network), that is, the officially online and independent blockchain network

for those who don't know the "jargon" in the currency circle, let's learn it as soon as possible:

1. What is legal currency

legal currency is legal tender, which is issued by the state and the government. It is only guaranteed by the government credit, such as RMB, US dollar and so on

2. What is a token

token, usually translated into token. Token is one of the important concepts in blockchain. Its more well-known name is "token". However, in the view of professional "chain circle" people, its more accurate translation is "token", which represents a proof of rights and interests on the blockchain, rather than currency

There are three elements of

token

one is digital proof of rights and interests, which must be in the form of digital certificate of rights and interests, representing a right, an inherent and intrinsic value

The second is cryptocurrency, whose authenticity, tamper proof and privacy protection are guaranteed by cryptocurrency

Third, it can flow in a network, so it can be verified anytime and anywhere

3. What is warehouse building

the establishment of a position in a currency circle is also called opening a position, which refers to a trader's new purchase or sale of a certain amount of digital currency

What is Soha

suoha refers to investing all the principal

What is airdrop

airdrop is a very popular marketing method of cryptocurrency. In order to let potential investors and cryptocurrency enthusiasts get token related information, token teams often air drop tokens

6. What is lockup

position locking generally refers to investors opening a new position opposite to their original position when the market moves in the opposite direction after the sale and purchase contract, which is also called lock, lock order, or even butterfly double flying

What is candy

doughnut candy is a kind of free digital currency issued to users when all kinds of digital currencies are just issued in ICO. It is a kind of momentum and publicity of the project itself by the issuers of virtual currency projects

What is breaking

breaking refers to falling below, and issuing refers to the issuing price of digital currency. Broken currency circle refers to the price of a digital currency falling below the issue price

What is private placement

private placement is a way to invest in cryptocurrency projects, and it is also the best way for cryptocurrency project founders to raise funds for platform operation

What do you think of the K-line diagram

K-line chart is also called candle chart, Japanese line, yin-yang line, bar line, red and black line, etc., commonly referred to as "K-line". It is based on the opening price, the highest price, the lowest price and the closing price of each analysis cycle

What is hedging

General hedging refers to two transactions which are related to the market, opposite in direction, equal in quantity and balanced in profit and loss. In the futures contract market, buy the same number of positions with different directions. When the direction is determined, close out the positions in the opposite direction and keep the positive direction to make profits

What is the position

position is a kind of market agreement, which promises the initial position of the sale and purchase contract, and the buyer is long and in the expected position; The selling contract is short and in the expected position

What are the advantages

good news: refers to the news that the currency gets the attention of the mainstream media, or a breakthrough in the application of a technology, which is concive to stimulating the price rise

14. What is bad news

bad news: news that causes the price of bitcoin to fall, such as technical problems of bitcoin, central bank's crackdown, etc

What is rebound

the phenomenon of currency price rising e to rapid decline in the downward trend. The recovery is less than the decline

What is leverage

leverage trading, as the name suggests, is to use small amount of funds to invest several times the original amount, in order to obtain multiple returns or losses relative to the fluctuations of the investment object

3. 2020 is the first year of proction rection. Everyone turns to BTC, BCH, BSV and other currencies. However, you forget eth. As the king of the public chain, ETH will usher in the big upgrade of 2.0 super version in 2020, switching from the pow mechanism to the POS mechanism. In addition, it will face proction rection in March next year, and its circulation will be reced by 10 times. Its impact is no less than that of bitcoin proction. Since the beginning of the year, the trading volume of eth has grown explosively, and the institutional capital has poured in to preempt the layout. However, the current price of eth is only 260 US dollars. With many super favorable blessings, the market expects eth to usher in a super bull market< In theory, X2
2. The circulation of next year will decrease 10 times. In theory, X2
3. The current price of eth is 230x4 = 920 US dollars (upgrade + expected price after proction rection)

ring this period, the return comparison between holding spot and ETF fund is as follows:

1. Holding spot makes 4 times of profit
2. Holding Ethereum ETF fund launched by bitoffer, the income starts 12 times, Up to 30 times (intelligent position adjustment + fund compound interest calculation)

there is no doubt that Ethereum ETF is the best investment choice!
4. Mcoin, because choosing an exchange must be safe and secure. Entering the market through a secure trading platform, and then trading between bitcoin and other digital currencies, is the best and necessary way for domestic investors to explore the currency circle.
5. With the upgrading of Ethereum to version 2.0 this year, the consensus mechanism will be converted to POS, which will have a huge impact on miners. There are two choices for miners. One is to sell mining equipment and buy eth to adapt to the stacking mechanism of POS; The second is to switch the miner to other networks supporting GPU miner. Nick foster, a representative of kabombacks, a US mining equipment distributor, said most eth miners would choose the latter

after Ethereum is upgraded to version 2.0 POS mechanism, miners may switch mining machines to other networks
as Ethereum is finally ready to start its Ethereum 2.0 upgrade later this year, thus eliminating the long-term delay, the network will start to move towards the proof of rights model

therefore, the network will give up the workload proof consensus algorithm, so that eth miners have little choice. As their equipment will become obsolete, they will be forced to start mining counterfeit coins or re qualify as eth mortgagors. So, what is the current situation of Ethereum mining? With the coming transition, what will happen to the whole instry< At present, Ethereum consensus is based on POW system, which is similar to bitcoin (BTC). As a result, Ethereum's mining process is almost the same, as miners use their computing resources to earn rewards for each block they try to complete< However, there are still major differences between these processes. Although bitcoin mining has relied almost entirely on ASIC (large, loud machines designed specifically for cryptocurrency mining, most of which are concentrated in areas with low electricity prices), Ethereum's pow hash algorithm ethash is designed to support global chip manufacturers (such as NVIDIA and AMD). As Thomas Heller, global business director of cryptocurrency mining pool f2pool, explained in a conversation with cointegraph, GPU is much cheaper and easier to access than ASIC

"as ASIC is a very professional machine, when a new generation of procts is released, it is usually a huge technological leap. As a result, they have a much higher hash rate and are more energy efficient than the previous generation. This means that those manufacturers have spent a lot of money to research and develop it. Their machines are usually very expensive, and GPUs are much cheaper. "

Heller added that those who use GPU miners "have more flexibility to mine." For example, the popular NVIDIA geforce GTX 1080 Ti card can mine more than 15 different currencies, while ASIC units usually support only one currency

nevertheless, Ethereum is not completely immune to ASIC miners - at least in its current state. In April 2018, bitcontinent released antminer E3, an ASIC specially proced for mining Ethereum. Although widely praised for its hash rate of 180 megahashes per second and power consumption of 800 watts, it has received different responses from the Ethereum community. After the ASIC is inserted, a considerable number of GPU rig owners seem to suffer from loss of profits, and some are even forced to switch to other networks

"in the white paper, ETH must have ASIC resistance. I would like to say that the white paper stands for something "is one of the highest comments on the AR / ethermining topic about the topic discussed when antminer E3 was announced. Another reddit user argued that "the $800 only applies to 180mh."“ Split or die of a nation. "

some Ethereum users continue to suggest that bitmain's mining devices can lead to greater concentration, thus increasing the possibility of attack by 51%. Soon, a group of developers put forward "programmed workload proof" or progpow, which is an extension of the current Ethereum algorithm ethash, aiming to make GPU more competitive and promote decentralization

according to a paper published in March by Kristy Leigh Minehan, co-founder of progpow, about 40% of the hash rate of Ethereum is generated by bitmain ASIC. Alejandro de la Torre, the vice president of poolin, is the sixth largest pool of eth. He confirmed to cointegration that "GPU mining is still dominant" in Ethereum network, and added:

"at present, the profit of eth mining is not high, and the management threshold and cost of GPU equipment are higher than ASIC equipment. Compared with ASIC devices, GPU devices are more flexible, and you can use other algorithms to switch to other coins. "

progpow has not been integrated into Ethereum, and it is not clear when it will be finally implemented - in March, Ethereum core developers were debating whether progpow will really benefit the network in nearly two hours, and failed to reach a consensus. It is worth noting that a bitmain representative has previously told cointegraph that the mining hardware giant does not intend to extend the service life of antminer E3 to start operation after October 2020: "as far as we know, mining will end in October or some time after that."

a safe but uncertain future

indeed, Ethereum will stay away from mining in the future. Ethereum 2.0, which is planned to be launched later in 2020, is a major network upgrade on the blockchain, aiming to transfer its current POW consensus algorithm to a virtual POS (known as "block verifier")

more specifically, users are randomly selected considering their wealth in the network or their "interests". In other words, the more coins a POS verifier chooses to put in, the more coins accumulated as a reward

according to vitalik buterin, the co-founder of Ethereum, e to the transition, the network will be more secure and the attack cost will be higher than the network of bitcoin, although the debate about the better consensus algorithm in the encryption community has lasted for many years. However, it is not clear when to start Ethereum 2.0, as many errors and management issues are reported to be delaying the process

another hypothetical benefit of POS system is that it has higher energy efficiency than pow blockchain. According to digiconomist, the cryptocurrency's total annual footprint is 59.31 terawatts per hour, which is comparable to the electricity consumption of Greece as a whole. However, since a report in July 2019 estimated that 74% of the exploitation of bitcoin was done using renewable energy, the environmental impact of bitcoin does not seem to be so serious

what will happen to the actual Ethereum miner? According to the documentation of Casper upgrade as part of Ethereum 2.0 roadmap, the network will initially support a hybrid model including both POW and POS, thus providing some space for block verifiers and GPU / ASIC miners. Jack O & 39, CEO of skale network; "There will definitely be a transition period when two networks are running at the same time," Holleran told cointegration The CEO of scale network (based on Ethereum's blockchain platform) gave a detailed description of this process:

"the transition from eth1 to eth2 takes time of course - it may be years rather than months. The good news about this slow transition is that dapps and defi platforms will be able to roam around based on survivability, security and real-world evidence of adoption. This is a positive impact on the Ethereum ecosystem. "

dig or not

once Ethereum is fully in the POS orbit, miners will have two options. One is to sell the equipment and use the money to accumulate more Eth and start mortgage. The other is the choice for GPU miners, which is simply switching to other ethash networks and mining counterfeit money. Nick foster, a representative of kabombacks, a US mining equipment dealer, told cointegration that most eth miners would choose the latter:

"what I want to say is that most of the miners have not really entered Ethereum or the mining of specific tokens. Yes, there is a certain amount of mineral deposits and holds, but I oppose the view that a large number of Shanzhai coin miners hold their coins at any time. "<

foster then described how he used 3gb GPU units to mine ethash's point-to-point blockchain asset ravencoin (RVN). Once it was unable to mine eth, he said, "this is the reason for mining crows. I immediately sold stability to BTC, and then sold it to US dollars to pay for my rights. I would say that a lot of people are adopting this strategy. "

as foster concludes, he wants eth miners to jump out of the network, and new players - those who don't invest in power infrastructure or drilling rigs - will take a stake in eth. He described the following:

"I can't imagine if I found a five-year lease with $0.04 of electricity and I was mining eth, I decided to sell everything and then continue to pay the rent so that I could hold eth as a share. Substitute. "

Marc fresa, founder of asic.to, a mining firmware company, agreed in a conversation with cointegraph: "if you invest in mining, you won't bet because you have enough room to grow."

one of the main counterfeit coins that may benefit from POW miners leaving Ethereum is Ethereum classic (etc), which is a more conservative version of the blockchain. It is reported that there is no POS related plan. As it also runs on the ethash algorithm, the startup of Ethereum 2.0 may lead to the migration of miners, so its hash rate may have a significant peak

eth's larger pools have similar options. When asked about the company's plans for Ethereum after pow, Heller told cointegraph that after the announcement of Ethereum's POS upgrade, f2pool launched a sister company called story.fish in early 2018. Story.fish has started to provide mortgage services for other POS and delegated POS projects, such as tezos (xtz), Cosmos (atom) and Cardano (ADA), e to numerous handover delays. For prin, e to the transition to POS, it "may temporarily give up supporting eth mining," de la Torre told cointegraph

other top eth pools, namely nanopool, ethermine, pool center, sparkpool and spiderpool, did not respond to requests for comment from cointegraph.
6.

Peak is a Chinese brand, and the details are as follows:

1. Chairman Xu Jingnan is going to use the brand of "Fengdeng" to enter the world. Some people say that this local name will have difficulties in international market competition, so they use "Fengdeng" to turn over, "Dengfeng", "Shanfeng" and "Fengfeng" to associate with it, and finally put forward peak. The meaning of "Olympic" comes from English

(2) peak was proced in Quanzhou, Fujian Province, China

{rrrrrrr}

extended information:

related introction of peak brand:

1, Trademark Internationalization

in 1993, peak began to register in the world, and has completed trademark registration in 185 countries

In 1995, peak took the lead in passing ISO9001 quality management system certification in the same instry, which is in line with international standards and adheres to the road of "quality first"

In 2005, peak accelerated the strategy of "brand internationalization" in an all-round way, successively sponsored the European basketball all star game, stankovich cup intercontinental basketball game and other international first-class events, and joined hands with the Houston Rockets, Miami Heat and other top international event organizations to sign the contract with Howard More than 20 NBA top stars such as Parker and 21 tennis stars such as gwotsova have become international sports brands

reference source: network peak

7. American brand, headquartered in the United States, has branches in more than 100 places around the world, and has already seen proction bases in China. However, it can not be said that the headquarters in the United States has closed down, and the water machinery field, especially the screw machine, has done very well.
8. It is a local design brand in Sweden
9. It's a
brand logo

efool, Italy Yifu
International Trade (Hong Kong) group company
10. It is a famous brand in Spain. The inherent romance of Spaniards, especially the Renaissance, made Spanish art. It has a famous name in the European market - "pigment aristocracy". It's very famous,
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