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Blockchain congestion

Publish: 2021-04-14 01:25:07
1. blockchain has developed in five stages
1. Germination stage: the real germination stage of blockchain was from 2007 to 2009. In 2008, a Japanese American with the pseudonym of Nakamoto first expounded a new fantasy report on electronic money in the form of a synonym on the cryptography discussion group, and bitcoin came out. As early as 2007, Nakamoto began to explore a series of new technologies to create a new currency. On October 31, 2008, bitcoin white paper was released, and on January 3, 2009, bitcoin system officially began to operate
the main technologies supporting bitcoin system include hash function, distributed ledger, blockchain and asymmetric encryption; It can be seen that these technologies build the initial version of the blockchain, and it can also be said that the blockchain is the underlying technology of bitcoin. During the three years from 2007 to 2009, bitcoin was an experimental stage in which a very small number of people participated, and the real commercial activities had not really started
2. "Geek" niche stage: here, "geek" refers to people who are crazy about Internet technology and take technological innovation as fashion and life. On February 6, 2010, the first exchange of bitcoin appeared. On May 22 of the same year, someone bought two hamburgers with 10000 bitcoins. On July 17 of the same year, the exchange Mt. GOx was established, marking the official inflow of bitcoin into the market. Nevertheless, the only people who can really understand and enter the market to participate in bitcoin trading are geeks who are keen on Internet technology. They discuss bitcoin technology on the forum, mine for bitcoin on their own computers, and then buy and sell bitcoin on Mt. GOx. Now these geeks have become billionaires
3. Market brewing stage: the price of bitcoin was $13 at the beginning of 2013, but on March 18 of the same year, the government of Cyprus closed the bank and stock market e to the financial crisis, which made the price of bitcoin soar, and the highest price rose to $266 in April. On August 20 of the same year, the German government confirmed the currency status of bitcoin. On October 14, China network announced the opening of bitcoin payment channel. In November, the US Senate hearing also confirmed the legitimacy of bitcoin. On November 19, the price of bitcoin rose to US $1242, forming a new high. Nevertheless, the foundation for blockchain to enter the mainstream social economy is not yet available, and the soaring price of bitcoin is only e to over optimistic expectations. The containment of China's banking system, the collapse of Mt. GOx and other events made the price of bitcoin continue to fall. At the beginning of 2015, the price of bitcoin has dropped below $200. From 2013 to the beginning of 2015, the public began to understand bitcoin and blockchain
4. The mainstream period of blockchain: on June 23, 2016, the United Kingdom left the European Union, the fifth nuclear test of North Korea in September, Trump's election in November and other events, the uncertainty of the world's mainstream economy led to the recovery of bitcoin with the function of risk aversion. The market demand was large, and the increase of trading volume made the price of bitcoin soar from $400 in 2016 to $20000 in 2017, The wealth effect of bitcoin and the transaction overflow caused by network congestion of bitcoin have led to the outbreak of other series of virtual currencies, as well as a variety of blockchain applications, resulting in the emergence of a large number of blockchain assets that are 100 times, even 1000 times and 10000 times, which has aroused the crazy pursuit of the world, Subsequently, the Chicago Mercantile Exchange launched bitcoin futures trading, marking that bitcoin has officially entered the mainstream investment proct series, and bitcoin and blockchain have entered the global attention
5. Instry landing stage: after the market frenzy in 2017, the virtual currency and blockchain have been adjusted in terms of market, supervision, cognition, etc. in 2018, returning to rationality. In 2017, many blockchain projects that follow the blockchain technology will graally die out with the cooling of the market, and the projects with real blockchain applications will be initially implemented. 2018 is not only the first year of the blockchain, but also a gold rush period for the blockchain. After the waves wash away the sand, what remains is relatively good gold
from the perspective of the history of blockchain development, blockchain technology is not yet mature and is currently in the growth period. The specific practical application of blockchain is only used in the financial field. It still needs a long way to go to apply blockchain from other instries. However, we should grasp the trend of blockchain and actively learn from the new field of blockchain.
2.

This is two different concepts. According to different standards, blockchain can be classified into three categories:

& # 8195&# 8195; 1) According to the network scope of blockchain, it can be divided into public chain, private chain and alliance chain

 &# 8195; 2) According to the docking type of blockchain, it is divided into single chain, side chain and interconnection chain

 &# 8195; 3) According to the display environment of blockchain deployment, it can be divided into main chain and test chain

the main chain can be understood as a formal online and independent blockchain network, while the public chain refers to a blockchain that can be read by anyone, can send transactions and can be effectively confirmed by anyone, and can participate in its consensus process

3.

Blockchain is a new application mode of distributed data storage, point-to-point transmission, consensus mechanism, encryption algorithm and other computer technologies. Blockchain is an important concept of bitcoin. It is essentially a decentralized database. At the same time, as the underlying technology of bitcoin, it is a series of data blocks generated by using cryptographic methods. Each data block contains a batch of information about bitcoin network transactions, Used to verify the validity of its information (anti-counterfeiting) and generate the next block

if such technology wants to be put into application, the biggest problem is the "Impossible Triangle problem"

that is, scalability, decentralization and security cannot be achieved at the same time, and only two of them can be achieved

most of the existing public chain projects in the market are difficult to put into use on a large scale

4. I'm very happy to meet you. The blockchain project is right for ordinary people. It's very fast to work hard and not be personal.
5.

5g is 5g

blockchain is the third power of blockchain

it's not clear. Do you want to ask if the three logics of quantum computing

are different, and there is a little sense of mutual promotion

5g solves the problem of wireless transmission speed, which is many times faster than 4G

blockchain was formerly PPP protocol, It is the point-to-point transmission protocol

used to solve the congestion problem of the central node. Quantum computing to improve the download speed is a breakthrough of Moore's law, which can solve the limit problem of computing speed in the limited space

for more information, please refer to this article, what is blockchain, can you explain it easily

6. Detailed process of mining right price evaluation
1. Copy of the business license (plicate) of the mining enterprise of the evaluation client*
2. The of the mining license * or the approval document for delimiting the scope of the mining area, and the map of the mining area based on the topographic and geological map or geological map and demarcated by rectangular coordinates*
3. Reserve verification report, reserve review record certificate, *
4. Development and utilization scheme / (pre) feasibility study report / preliminary design and its review opinions or approval documents*
5. A complete set of financial statements for the three years before the base date of evaluation, at least providing the statistical table of output and sales price of mineral procts, sales revenue, cost of fixed assets and current assets and other major technical and economic indicators*
6. Basic information of the mine (including the nature of the enterprise, technical personnel, staff, registered capital, historical evolution, evolution of subordinate relationship, acquisition method, time and change of mining right, evaluation purpose and related process of mining right, proction and operation, etc.)
7. Information on the previous evaluation and price disposal of mining rights, including copies of previous evaluation reports, confirmation or filing documents of evaluation results, and documents on price disposal of mining rights (contracts or agreements and payment vouchers)
8. The plan of the nearest roadway project and the plan of reserves of the mine; 9. Copies of the annual mineral proct settlement sheet (main batch) or sales contract or sales invoice on the base date of evaluation
10. Traffic location map of the mining area, comprehensive geological and mineral plan (topographic and geological map indicating the scope of the mining area), reserve calculation map, typical profile of main ore body (exploration line profile), development system plan diagram and mining and beneficiation process flow chart
11. The mining volume of the mine from the deadline of reserves calculated in the geological exploration report / reserves verification report to the base date of evaluation. The appraisal of mineral rights can be divided into three stages, namely, the entrusted appraisal stage, the appraisal stage and the appraisal result confirmation or filing stage
first, the stage of entrusted evaluation. In this stage, the evaluation client and the evaluation institution are the leading ones< The appraisal client and the appraisal trustee can be people with different appraisal purposes, mainly including the administrative authority of the mining right that intends to transfer the mining right, the applicant of the mining right that intends to apply for registration of the mining right, the mining right that intends to transfer the mining right, the transferee of the mining right that intends to transfer the mining right, and the creditor when setting the mortgage of the mining right, Mining right holders who plan to restructure or go public. Generally speaking, anyone can entrust the appraisal of mining right, but if the appraisal result is used as the basis for collecting the price of mining right when the mining right is transferred, the administrative organ that transfers the mining right must be the appraisal principal; If it is necessary to apply for confirmation or filing for the purpose of transferring the mining right of the state funded exploration of the mining origin, the mining right owner must be the evaluation client. In short, there are only the right holders (the administrative organ of mining right transfer and the right holder) who have the right to dispose of the mining right of the proved ore procing area, so the evaluation must be entrusted by the right holders. In addition, it is their own right and choice for the relevant person to entrust to evaluate the mining right, but the follow-up procere will be different from the former
2. Entrustment and entrustment are service economic and legal relations established through the contract signed by both parties or the power of attorney issued by the client. When dealing with the entrusted matters, the client should explain the purpose, object, scope, ownership and investment nature of the entrusted appraisal. The appraisal institution should also explain the relevant provisions of mining right appraisal to the client, ask relevant questions and remind relevant matters. When both parties reach an agreement on the entrustment matters, they can sign the entrustment contract for mining right evaluation, or the entrustment party can issue the entrustment letter. The entrustment contract of mining right appraisal should comply with the general provisions of the contract law of the people's Republic of China. In the contract of entrustment for appraisal, the appraisal object, appraisal scope, appraisal purpose, required items, completion time, appraisal base date, rights, obligations and commitments of both parties, legal responsibilities, etc. shall be specified
Second, the evaluation stage is dominated by the evaluation institution. The main work of this stage is as follows:
(1) the mining right appraisal organization accepting the entrustment should form an appraisal working group to determine a mining right appraiser as the project leader, and the professional composition of the members of the appraisal working group should be suitable for the characteristics of the appraisal object and the appraisal method. The evaluation team went to the client's place for the following preparatory work: (1) listen to the client's detailed introction of the evaluation object, including the registration and change history of the evaluation object, the historical evolution of geological work, and understand the working time, working unit, nature of work, exploration results obtained, nature of investment, amount of investment, etc. It also includes the exploration and mining activities around the assessment object and the relationship with the assessment object 2) We will go to the scene to investigate the situation of mining rights, understand the topography and mining activities, sample some exploration projects, and inspect mining and mineral processing facilities 3) Investigate and collect the market transaction and market price of local mineral procts 4) Draw up evaluation ideas or technical routes and determine evaluation methods. Collect documents, data and drawings related to the assessment 5) Summarize and sort out the data
(2) the appraisers shall exchange opinions with the client on the first draft of the appraisal report and make necessary adjustments, modifications or supplements. After the final draft, submit the formal evaluation report to the client. The necessary information provided by the client includes: assignment evaluation: the area and geographical coordinates of the exploration area or the opinion on delimiting the mining area; Transfer evaluation: exploration license, or mining license, the supporting documents that can explain the nature of exploration investment; Geological reports and maps of each stage; Relevant documents proving the resources / reserves within the scope of exploration license or mining license; Mine enterprise registration, statistics and reported reserves change report. The main data collected by the appraisal institution include: the development and utilization plan of mineral resources or (pre) feasibility study report or preliminary design and relevant approval documents; Mineral processing process and proct plan; Statistical report of actual indicators such as mining recovery rate, ore dilution rate, beneficiation recovery rate, concentrate yield, etc; Statistical report on recovery of associated and symbiotic ores, etc< According to the three regulations of the State Council on the management of mining rights and the provisions of relevant documents of the State Council, the appraisal results of the mining rights formed by state funded exploration, whether the appraisal is transfer or transfer, must be confirmed or filed by the Department in charge of Geology and mineral resources of the State Council. Therefore, the confirmation and filing stage of the evaluation results only corresponds to the broken property rights formed by the state funded exploration; It is a necessary procere and is evaluated by the obligee as the client. In addition, according to the Interim Provisions of the Ministry of land and resources on the administration of the transfer of mining rights, no matter what the nature of the original investment is, the administrative organs of mining rights need to evaluate and confirm or record the evaluation results< (1) the three regulations of the State Council on the management of mining rights have explicitly authorized the Department in charge of Geology and mineral resources of the State Council to confirm the evaluation results of mining rights funded by the state, that is, the Ministry of land and resources. The confirmation of mining right evaluation results can be divided into two forms: direct confirmation by the Ministry of land and resources and entrusted confirmation. The Ministry of land and resources confirmed that the mining right issued by the Ministry of land and resources, the mining right stocks listed, and the proction scale of large and medium-sized enterprises transferred in the form of bidding. Entrustment confirmation: other mining right appraisal and confirmation work other than that confirmed by the Ministry of land and resources shall be entrusted to the mining right administrative organs of all provinces, autonomous regions and municipalities directly under the central government. After confirmation, the mining right administrative organs of all provinces, autonomous regions and municipalities directly under the central government shall fill in the letter of responsibility and submit it to the Ministry of land and resources together with the appraisal report. The Ministry of land and resources shall uniformly number, seal and issue the confirmation letter
(2) according to the three regulations of the State Council on the management of mining rights and the relevant documents of the State Council, the evaluation results of the mining rights formed by state funded exploration, whether it is transfer evaluation or transfer evaluation, must be filed by the Department in charge of Geology and mineral resources of the State Council
1. The Ministry of land and resources records the evaluation report of exploration rights according to the proceres of verification, filing and filing
1) according to Article 14 of the Interim Measures for the administration of the evaluation of exploration rights and mining rights and the requirements of the guidelines for the evaluation of mining rights on the format of the evaluation report of mining rights, the staff responsible for the verification and filing of the evaluation report of exploration rights shall carry out the verification. The specific verification contents include: (1) whether the evaluation report is within the scope of filing. The appraisal report of mineral exploration right transfer within the scope of filing must be: the appraisal is entrusted by the organ of mineral exploration right transfer (the valid certificate is the appraisal power of attorney of the organ of mineral exploration right transfer or the appraisal power of attorney contract of both parties); The appraisal object is the mineral land that has been invested and explored by the state (according to the announcement of the Ministry of land and resources on the mineral land that has been invested and explored by the state). The nature of exploration funds is contributed by the State Finance (Geological Exploration fee, resource compensation fee and special fund) The effective proof document is the mission statement of exploration project. For the newly registered exploration right after the State Council Order No. 240 was issued in 1998, whether the price of exploration right was charged or not at the time of transfer depends on the nature of the exploration fund after this registration, and whether it is within the scope of filing or not, rather than retrospecting the nature of the investment of exploration work before registration. For the exploration rights acquired before February 12, 1998 and extended up to now, it depends on the nature of exploration funds in the whole exploration history.) 2) (3) check whether the format and attachments of the evaluation report are complete and standardized. Whether the evaluation object is an effective exploration right. No problem is found in the above verification, and the next procere will be carried out. In case of any problems found in the above verification, the applicant for record shall be informed in writing, and the evaluation report shall be returned to the applicant for record. The filing applicant shall apply for filing again after solving the problem. If the re verification has met the requirements, enter the next procere
2) the staff responsible for the filing of the evaluation report of exploration right will submit the verified evaluation report together with the approval form for the filing of the evaluation result of exploration right to the director, who will make a decision on whether to approve the filing after review. If the record is approved, the "record verification certificate of prospecting right evaluation report" shall be issued to the record applicant. If the record is not approved, the reasons shall be explained to the applicant in writing, and the evaluation report and relevant documents shall be returned
3) filing: the evaluation reports approved for filing are registered and filed for future reference
2. Evaluation of exploration rights other than those recorded by the Ministry of Geology and mineral resources of provinces, autonomous regions and municipalities directly under the central government.
7. Jinwowo will focus on blockchain technology to promote the legal circulation and commercial application of big data. The following is the development trend of blockchain in 2018 analyzed by jinwowo:
1. Asia and the Middle East will actively promote blockchain
2. Network security requirements will drive the popularization of blockchain
3 - all instries will fully invest in blockchain application technology
4 - automation and privatization are coming.
8. Can not be trusted to play their own know that the threshold of easy currency transactions as long as 100 yuan, take a 100 yuan to try water
9. Undoubtedly, usdt was born with a halo. The second half of 2017 was a disaster for the coin circle, but it was an opportunity for usdt. With its unique stability advantage, it quickly took on the link between the legal coin and the token, and was recognized by the major exchanges and the majority of leeks, becoming the stable coin recognized by the coin circle. However, with the continuous issuance of usdt, there are more and more doubts about usdt. "Stable currency is not stable" and "coin circle printing machine" have become the new labels of usdt. Coupled with the investigation and supervision of the US government on tether, the trust crisis of usdt is becoming more and more serious. This time, it is reported that CNH has been resisted by many bigwigs in the coin circle, and there are few voices of support. Although usdt faces many doubts, I don't think the current position of usdt in the currency circle will have a great impact in a short period of time, let alone a crash. Unless the U.S. government makes a drastic cut, this is unlikely.
10. A: blockchain solves the problem of network congestion
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