Does the fall of the US dollar affect Ethereum
although the price of Ethereum continues to decline, there are still many investment opportunities. Nowadays, many people invest in Ethereum through virtual currency trading in the realm Kingdom, which is not affected by the rise and fall of prices, but also can invest less money in the shortest time to obtain more income.
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 transactionsthe 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 meanbefore 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 stabilitythis situation is not only in bitcoin, but also in Ethereum. Ethereum is still in the uptrend period, but affected by the currency market, it dropped from $680 to about 640 yesterday. The trading volume is also in the bottleneck period, lacking strong momentum
in addition, the development of the top virtual currencies such as Leyte and Ruibo are different, some of which fall with the trend, and some of which rise by a small margin. However, from the perspective of small data changes, the fluctuation range is very small and does not pose a threat to the currency market
e to the instability of the wind in the past two days, we still give a wait-and-see suggestion to the top currency investors. Because of the strong momentum in the early stage, bitcoin's temporary stagnation in front of the $9700 mark will also be a small signal. The higher bitcoin rises from $6000 to nearly $10000, the greater the pressure on its upper region. Our suggestion for bitcoin is not to slow down the position, we should observe it every other day and then make up the position
in addition to these listed currencies, you can also focus part of your attention on the new virtual currency, Mya coin. The recent trend of Mcain is quite stable. According to the data sent back by the trading platform, Mcain is expected to enter the mainstream money market in May, when its trading volume and price should also rise
previously, we mentioned that some virtual currencies are not strong enough, but there is no need to worry. After all, this level of rise and fall is not worth talking about for virtual currencies. If we put the decline value of bitcoin on other currencies, it may be worth paying attention to, but the decline range of 1% to 2% is just the normal change of the currency market, So we would like to remind you not to worry
there are still people in the money market, such as Mya money, a new type of virtual currency with strong impact. They can certainly provide some blockchain support for other virtual currencies. So for the current situation, we still think that the currency market is still in a period of correction. You should not miss this opportunity if you want to make a grand plan.
Ethereum's short-term performance is still strong, and the $100 psychological barrier has not been broken. Even at the low point of $3650, bitcoin is struggling to maintain at $101. In the future, if bitcoin continues to fall, the effective support point below it will be around $78. However, if the topic says $20 to $40, bitcoin will return to more than $2000, or the targeted counterfeit token is bad. But at present, these two points are not realistic
many investors think that Ethereum and other mainstream currencies are very unlikely to return to zero at present, and there are not many orders in the futures market, so it is not profitable for the main trading to fall down at this time. Even if he has enough empty orders himself, no fish will take the t, and it is difficult to level them all, And the spot price is to follow the futures, Ethereum futures, if there is no intention to fall, the spot will only cross
secondly, even if Ethereum eth really falls to such a level in the future, it is also based on the premise that most of the counterfeit coins are returned to zero or removed from the shelves. Because in a strict sense, Ethereum is the strongest backing of many counterfeit coins. Now, with the reshuffle of the bear market accelerating the process of the demise of counterfeit coins, more and more counterfeit coins are taken off the shelves, which will also affect Ethereum in terms of capital, but it will take a process, which will not be achieved overnight. From the time node, at least it will be next year.
Bitcoin fell. The price of bitcoin rose to US $57000 a few days ago, but it has fallen back to US $50000 in recent two days. It has paid hundreds of dollars. Of course, these units are all US dollars. Why does it rise rapidly and fall rapidly? Because the value of virtual currency itself is unstable, the market volume largely determines its price{ It is not certain if RRRRR}
will burst. This is because before the price dropped below 40 thousand dollars, it rose to a little more than 41000 dollars. People felt that the market had good news after reaching the end of the year, resulting in a short break in less than a month, and the jumped to 57, faster than the special price. 000 dollars, who can guarantee that there won't be another such news? It's all uncertain
in the framework of Global trade security and facilitation standards formulated by the World Customs Organization (WCO), it is defined as "the party who participates in the international circulation of goods in any way and is recognized by the customs authorities as meeting the WCO or the corresponding supply chain security standards, including the manufacturer, importer, exporter, customs broker, carrier, tallyman, middleman Port and airport operators, cargo terminal operators, integrated operators, warehousing operators and distributors "
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the benefits of AEO certification enterprises
according to the relevant provisions of the Interim Measures of the customs of the people's Republic of China on enterprise credit management, senior certification enterprises apply the following management principles and measures:
(1) lower inspection rate of import and export goods
(2) simplify the examination of import and export documents< (3) give priority to the customs clearance of import and export goods< (4) other management principles and measures stipulated by the General Administration of customs< (5) go through the inspection and release proceres before determining the commodity classification, customs valuation, origin or other customs proceres of import and export goods< (6) the Customs set up a coordinator for enterprises< (7) for enterprises engaged in processing trade, the bank margin account system is not implemented< (8) AEO recognizes the customs facilitation measures provided by the customs of countries or regions
according to the requirements of the customs certification enterprise standard, senior certification enterprises generally include 5 categories, 18 items and 32 indicators, including internal control, financial status, law-abiding norms, trade security and additional standards
the basic score of certification is 100, the score of reaching the standard is 0, and the score of partially reaching the standard and not reaching the standard are - 1 and - 2 respectively. If an enterprise wants to pass the advanced certification, it needs to carry out self-evaluation and verification item by item. After the customs audit, there is no non-standard situation in all items, and the final total score of certification standard is more than 95
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AEO enterprise certification implements dynamic adjustment system. The customs should re certify the senior certification enterprises every three years, and re certify the general certification enterprises from time to time
If a certified enterprise fails to pass the recertification and applies to the general credit enterprise management, it shall not apply to become a certified enterprise again within one year; If a senior certification enterprise fails to pass the re certification but meets the general certification enterprise standards, the general certification enterprise management shall apply
note: advanced and general certification standards of Customs certification enterprise standards can be viewed from the following website.
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 />