Ethereum production node
Publish: 2021-05-18 18:36:10
1. Eth is a kind of digital token of Ethereum, which is regarded as "bitcoin version 2.0". It adopts the blockchain technology "Ethereum", which is different from bitcoin. It is an open-source public blockchain platform with intelligent contract results, and a resonance network composed of tens of thousands of computers around the world. Developers need to pay eth to support the application. Like other digital currencies, ether currency can be bought and sold on the trading platform
warm tips: the above explanations are for reference only, without any suggestions. There are risks in entering the market, so investment should be cautious. Before making any investment, you should make sure that you fully understand the nature of the investment and the risks involved in the proct. After a detailed understanding and careful evaluation of the proct, you can judge whether to participate in the transaction
response time: December 2, 2020. Please refer to the official website of Ping An Bank for the latest business changes
[Ping An Bank I know] want to know more? Come and see "Ping An Bank I know" ~
https://b.pingan.com.cn/paim/iknow/index.html
warm tips: the above explanations are for reference only, without any suggestions. There are risks in entering the market, so investment should be cautious. Before making any investment, you should make sure that you fully understand the nature of the investment and the risks involved in the proct. After a detailed understanding and careful evaluation of the proct, you can judge whether to participate in the transaction
response time: December 2, 2020. Please refer to the official website of Ping An Bank for the latest business changes
[Ping An Bank I know] want to know more? Come and see "Ping An Bank I know" ~
https://b.pingan.com.cn/paim/iknow/index.html
2. At the top of Ethereum is DAPP. It exchanges with the smart contract layer through Web3. JS. All smart contracts run on EVM (Ethereum virtual machine) and use RPC calls. Below EVM and RPC are the four core contents of Ethereum, including: blockchain, consensus algorithm, mining and network layer. Except DAPP, all other parts are in the Ethereum client. The most popular Ethereum client is geth (go Ethereum)
3. Eth mining mainly uses graphics card to mine. Therefore, you need a PC with the following devices:
graphics card, motherboard, power supply, CPU, memory, hard disk (more than 60g SSD is recommended), extension cable, adapter cable, etc
among them, the graphics card determines the speed of mining, and the motherboard and power supply largely determine the stability of mining machine operation.
graphics card, motherboard, power supply, CPU, memory, hard disk (more than 60g SSD is recommended), extension cable, adapter cable, etc
among them, the graphics card determines the speed of mining, and the motherboard and power supply largely determine the stability of mining machine operation.
4. Yes, but it is better to use overseas servers. In addition, the server configuration should be medium or above.
5. Generally speaking, undefined index is the exact writing problem in the process of writing. Notice generally prompts for errors that are not directly related to the execution of code, but don't forget that notice sometimes returns some rendant error information
6. How many account addresses can an Ethereum node have at most
A: generally, there is only one account address, otherwise there will be an error! Blockchain itself is unique. If there are multiple account addresses on one node, it violates the fundamental principle of blockchain!
A: generally, there is only one account address, otherwise there will be an error! Blockchain itself is unique. If there are multiple account addresses on one node, it violates the fundamental principle of blockchain!
7. There is no problem at all, but relatively speaking, we must buy some reliable ones, because we must pay attention to them.
8. Hello, the unified recruitment of the people's Bank of China started in October 2019 is the recruitment of the people's Bank of China in 2020. The recruitment that will start in October 2020 is called the recruitment of 2021 It is calculated according to the entry time)
the content of the unified recruitment examination of the people's Bank of China, the examination for economic and financial posts: business test + economic and financial, and the examination for other posts: business test + application. The salary is generally slightly higher than that of local civil servants
the following is the announcement of unified recruitment of the people's Bank of China in previous years. You can refer to the conditions for application.
the people's Bank of China organizes and implements the recruitment (Recruitment) of personnel of branches and directly affiliated units in 2020 in accordance with the principle of "openness, equality, competition and selection". The relevant matters are hereby announced as follows:
1. Recruitment (Recruitment) unit, target, specialty and application conditions
(1) recruitment (Recruitment) unit
Shanghai headquarters of the people's Bank of China, all branches, business management departments, provincial capital (capital) City Central sub branches, sub provincial city central sub branches, branch business management departments, prefecture (prefecture) City Central sub branches The county (city) sub branch is the employing unit for the recruitment of the branch personnel
the units directly under the people's Bank of China are enterprises and institutions that participate in, support or guarantee the people's Bank of China to perform the functions of the central bank. People's Bank of China organ service center, people's Bank of China Party school, people's Bank of China Financial Research Institute, financial times, people's Bank of China credit reference center, people's Bank of China Clearing Center, China Coin Museum, China Financial Training Center, people's Bank of China digital currency Research Institute, people's Bank of China Financial Information Center The financial basic data center of the people's Bank of China, Zhengzhou Training Institute of the people's Bank of China, China Banknote Printing and Minting Corporation, China Gold Coin Corporation, China Financial Electronic Corporation and China Financial Publishing House are the employers recruited by the staff of the directly affiliated units
the above units are collectively referred to as recruitment units in this recruitment< (2) recruitment objects
full time college graates (hereinafter referred to as "fresh graates") who are included in the national unified enrollment plan, social in-service personnel (hereinafter referred to as "social in-service personnel") who have work experience in commercial financial institutions, economic departments and related majors, and returned students
returned students who have obtained a foreign degree after January 1, 2018 and have not assigned a work unit can apply as fresh graates< (3) recruitment (Recruitment) majors and job requirements
the recruitment majors of branch personnel mainly include: economy and finance, accounting, law, computer, statistics, management (focusing on public management, administrative management, human resource management related majors) and English. Some branches recruit a small number of science and engineering graates (excluding computer major, the same below) and security, Chinese, small language professionals. Specific majors and positions shall be listed in the recruitment and recruitment profile of PBC branches in 2020. XLS
for the recruitment majors and position requirements of the staff of the units directly under the PBC, please refer to the information sheet of open recruitment position requirements of the units directly under the PBC in 2020.xls< (4) registration requirements
1. Nationality of the people's Republic of China
2. Support the constitution of the people's Republic of China
3
4. Aged between 18 and 35 (born from October 11, 1983 to October 11, 2001)
5
6. Full time colleges and universities with bachelor's degree or above and bachelor's degree or above that are included in the national unified enrollment plan (some branches in arous and remote areas are relaxed to college degree), with professional counterparts, At the same time, they should also have the qualifications required for applying for the positions in the "people's Bank of China branch recruitment in 2020" and "people's Bank of China directly under the units of 2020 open recruitment job demand information table"
7. The academic qualifications of returned students should be certified by the relevant departments of the Ministry of ecation, and have the certificate of returned students issued by our embassies and consulates abroad
personnel who have been subject to criminal punishment for crimes, personnel who have been expelled from government organs and institutions, military personnel in active service, non fresh graates studying, personnel who have been dismissed by the people's Bank of China, and personnel who are not suitable for employment for other reasons are not allowed to apply for the examination
branches and directly affiliated units of the people's Bank of China conct qualification examination and selection based on job requirements and after comprehensive consideration of candidates' personal information, academic degree, professional situation and work experience< (1) to inquire about the job demand information of the recruitment (Recruitment) units
candidates should carefully inquire about the registration conditions and job demand of the branches and directly affiliated units, and be sure to register according to the job demand
(2) online registration and printing of admission card
online registration is adopted for this enrollment, and there is no on-site registration. Candidates can register through the following website (officially opened at 10:00 a.m. on October 11):
http://zhaopin.pbc.gov.cn
candidates can query the results of qualification examination, download and print the admission certificate and application recommendation form, and query the relevant recruitment information through the above websites
1. Online registration
(1) log in to the online registration system to register candidates. Name of ID number, password, name and ID card must be filled in when registering for registration. Please ensure that the name, ID number and other information are accurate and correct, and remember the registered user name and password.
candidates can log in to the registration system through their registered user name and password to register online, print the admission card and registration recommendation form, and query the written examination and interview results
(2) submit personal information: candidates fill in their personal information, upload photos and choose their positions when they register online
the photos uploaded by candidates should be their recent bareheaded front color electronic photos in JPG format, with a width of about 200 pixels, a height of about 260 pixels, a resolution of about 350 DPI, a file size of no more than 100k, and a clear and recognizable photo. Those who upload photos that do not meet the requirements or upload irrelevant photos shall be deemed to have given up the examination qualification automatically
(3) registration time: 10:00, October 11, 2019 to 22:00, October 20, 2019
(4) query of qualification examination results: October 12, 2019 to October 21, 2019
(5) for those who have passed the qualification examination, please log in to the system again to confirm whether to take the written examination. Written examination confirmation time: 8:00, October 22, 2019 to 23:00, October 24, 2019. Candidates who have passed the qualification examination must confirm whether they will take the written examination within the prescribed time. Those who fail to confirm in time shall be deemed to have given up the examination qualification
2. Printing time: November 2, 2019 10:00-november 9, 2019 9:15
those who have confirmed to participate in the written examination must log in to the online registration system at the above time, download and print the admission card. Those who have not printed the admission card after the expiration of the time limit will be deemed to have given up the examination qualification
(3) notes for registration
1. Candidates can only choose one position from the branches and directly affiliated units of the people's Bank of China
2. Candidates can only apply with the highest full-time ecation, and should also have the degree corresponding to the highest full-time ecation
3. Candidates must fill in their personal information truthfully and completely, the name of the graated institution must be consistent with the full name of the institution on the graation certificate, and social employees must fill in their work experience truthfully and in detail
4. The application recommendation form for 2020 recruitment (Recruitment) of people's Bank of China branches and units directly under the people's Bank of China (filled in by fresh graates and submitted ring interview) can be downloaded and printed from the above website
5. In order to facilitate candidates and rece the cost of registration, a total of 35 test centers are set up in the municipalities directly under the central government, provincial capitals, Dalian, Qing, Xiamen and Shenzhen. Candidates can choose the place of written test according to the actual situation when they register. The place of written test can be different from the place where the applicant is located, before 24:00 on October 21, Candidates can modify the location of the written examination
6. Candidates who have confirmed to take the written examination should print their admission cards at the specified time and take the written examination as required. If the candidates who have been confirmed to take the examination are unable to take the written examination e to force majeure, please contact the branch of the people's Bank of China in the place where the examination center is located within 7 days after the end of the examination to explain the reasons for their absence and provide relevant supporting materials. The people's Bank of China will also announce the name list of those who are absent for no reason in an appropriate way
7. Candidates can only use their second generation ID card to register, and ensure that the ID card is within the validity period ring the examination, and the registration must be consistent with the ID card used ring the examination
8. Without review, candidates can change their online registration profile and position. After passing the qualification examination, the submitted personal data and registration information will not be changed. If they fail to pass the qualification examination, they may apply for other positions
9. No fee will be charged for this recruitment
candidates should be responsible for the authenticity, accuracy and completeness of the information and materials submitted online. Those who fail to fill in the form as required, or do not conform to the actual situation, or cheat, will be disqualified from examination or employment (employment) once verified< 3. Examination and employment
examination includes written examination and interview
(1) written examination
there is no book for review in this examination. Candidates for economic and financial professional positions shall take administrative professional ability test and economic and financial professional knowledge test, while candidates for other professional positions (including multi professional mixed positions in open recruitment positions of directly affiliated units) shall take administrative professional ability test and application test. Examination time: 9:30-12:00 a.m. on November 9, 2019, in which 9:30-10:30 is the administrative professional ability test and 10:30-12:00 is the economic and financial professional knowledge (or application) test
candidates should take the written examination according to the time, place and examination room indicated on the admission card. When taking part in the examination, the candidates must carry the admission card and ID card at the same time. Those with incomplete certificates are not allowed to enter the examination room to take part in the examination
candidates can query their written test scores through the online registration system. Please pay attention to the notice of online registration system for specific query time< (2) after the interview, the people's Bank of China will determine the list of interviewers according to a certain proportion of the number of candidates to be employed according to the written examination results of candidates. The interview shall be organized and implemented by all branches and units directly under the people's Bank of China, and the candidates shall be informed of the interview matters by telephone, SMS or e-mail. When filling in the contact information, the candidates shall ensure that the recruitment unit can contact them in time
according to the needs of work, some recruitment units may increase interviews or other tests, and the specific test form and time will be notified by the recruitment unit
ring the interview, you should provide your ID card and the application recommendation form sealed by your school (for fresh graates, please download it from the registration website). At the same time, you should also bring other relevant supporting materials required by the recruitment unit, such as lack of certificates or relevant information
the content of the unified recruitment examination of the people's Bank of China, the examination for economic and financial posts: business test + economic and financial, and the examination for other posts: business test + application. The salary is generally slightly higher than that of local civil servants
the following is the announcement of unified recruitment of the people's Bank of China in previous years. You can refer to the conditions for application.
the people's Bank of China organizes and implements the recruitment (Recruitment) of personnel of branches and directly affiliated units in 2020 in accordance with the principle of "openness, equality, competition and selection". The relevant matters are hereby announced as follows:
1. Recruitment (Recruitment) unit, target, specialty and application conditions
(1) recruitment (Recruitment) unit
Shanghai headquarters of the people's Bank of China, all branches, business management departments, provincial capital (capital) City Central sub branches, sub provincial city central sub branches, branch business management departments, prefecture (prefecture) City Central sub branches The county (city) sub branch is the employing unit for the recruitment of the branch personnel
the units directly under the people's Bank of China are enterprises and institutions that participate in, support or guarantee the people's Bank of China to perform the functions of the central bank. People's Bank of China organ service center, people's Bank of China Party school, people's Bank of China Financial Research Institute, financial times, people's Bank of China credit reference center, people's Bank of China Clearing Center, China Coin Museum, China Financial Training Center, people's Bank of China digital currency Research Institute, people's Bank of China Financial Information Center The financial basic data center of the people's Bank of China, Zhengzhou Training Institute of the people's Bank of China, China Banknote Printing and Minting Corporation, China Gold Coin Corporation, China Financial Electronic Corporation and China Financial Publishing House are the employers recruited by the staff of the directly affiliated units
the above units are collectively referred to as recruitment units in this recruitment< (2) recruitment objects
full time college graates (hereinafter referred to as "fresh graates") who are included in the national unified enrollment plan, social in-service personnel (hereinafter referred to as "social in-service personnel") who have work experience in commercial financial institutions, economic departments and related majors, and returned students
returned students who have obtained a foreign degree after January 1, 2018 and have not assigned a work unit can apply as fresh graates< (3) recruitment (Recruitment) majors and job requirements
the recruitment majors of branch personnel mainly include: economy and finance, accounting, law, computer, statistics, management (focusing on public management, administrative management, human resource management related majors) and English. Some branches recruit a small number of science and engineering graates (excluding computer major, the same below) and security, Chinese, small language professionals. Specific majors and positions shall be listed in the recruitment and recruitment profile of PBC branches in 2020. XLS
for the recruitment majors and position requirements of the staff of the units directly under the PBC, please refer to the information sheet of open recruitment position requirements of the units directly under the PBC in 2020.xls< (4) registration requirements
1. Nationality of the people's Republic of China
2. Support the constitution of the people's Republic of China
3
4. Aged between 18 and 35 (born from October 11, 1983 to October 11, 2001)
5
6. Full time colleges and universities with bachelor's degree or above and bachelor's degree or above that are included in the national unified enrollment plan (some branches in arous and remote areas are relaxed to college degree), with professional counterparts, At the same time, they should also have the qualifications required for applying for the positions in the "people's Bank of China branch recruitment in 2020" and "people's Bank of China directly under the units of 2020 open recruitment job demand information table"
7. The academic qualifications of returned students should be certified by the relevant departments of the Ministry of ecation, and have the certificate of returned students issued by our embassies and consulates abroad
personnel who have been subject to criminal punishment for crimes, personnel who have been expelled from government organs and institutions, military personnel in active service, non fresh graates studying, personnel who have been dismissed by the people's Bank of China, and personnel who are not suitable for employment for other reasons are not allowed to apply for the examination
branches and directly affiliated units of the people's Bank of China conct qualification examination and selection based on job requirements and after comprehensive consideration of candidates' personal information, academic degree, professional situation and work experience< (1) to inquire about the job demand information of the recruitment (Recruitment) units
candidates should carefully inquire about the registration conditions and job demand of the branches and directly affiliated units, and be sure to register according to the job demand
(2) online registration and printing of admission card
online registration is adopted for this enrollment, and there is no on-site registration. Candidates can register through the following website (officially opened at 10:00 a.m. on October 11):
http://zhaopin.pbc.gov.cn
candidates can query the results of qualification examination, download and print the admission certificate and application recommendation form, and query the relevant recruitment information through the above websites
1. Online registration
(1) log in to the online registration system to register candidates. Name of ID number, password, name and ID card must be filled in when registering for registration. Please ensure that the name, ID number and other information are accurate and correct, and remember the registered user name and password.
candidates can log in to the registration system through their registered user name and password to register online, print the admission card and registration recommendation form, and query the written examination and interview results
(2) submit personal information: candidates fill in their personal information, upload photos and choose their positions when they register online
the photos uploaded by candidates should be their recent bareheaded front color electronic photos in JPG format, with a width of about 200 pixels, a height of about 260 pixels, a resolution of about 350 DPI, a file size of no more than 100k, and a clear and recognizable photo. Those who upload photos that do not meet the requirements or upload irrelevant photos shall be deemed to have given up the examination qualification automatically
(3) registration time: 10:00, October 11, 2019 to 22:00, October 20, 2019
(4) query of qualification examination results: October 12, 2019 to October 21, 2019
(5) for those who have passed the qualification examination, please log in to the system again to confirm whether to take the written examination. Written examination confirmation time: 8:00, October 22, 2019 to 23:00, October 24, 2019. Candidates who have passed the qualification examination must confirm whether they will take the written examination within the prescribed time. Those who fail to confirm in time shall be deemed to have given up the examination qualification
2. Printing time: November 2, 2019 10:00-november 9, 2019 9:15
those who have confirmed to participate in the written examination must log in to the online registration system at the above time, download and print the admission card. Those who have not printed the admission card after the expiration of the time limit will be deemed to have given up the examination qualification
(3) notes for registration
1. Candidates can only choose one position from the branches and directly affiliated units of the people's Bank of China
2. Candidates can only apply with the highest full-time ecation, and should also have the degree corresponding to the highest full-time ecation
3. Candidates must fill in their personal information truthfully and completely, the name of the graated institution must be consistent with the full name of the institution on the graation certificate, and social employees must fill in their work experience truthfully and in detail
4. The application recommendation form for 2020 recruitment (Recruitment) of people's Bank of China branches and units directly under the people's Bank of China (filled in by fresh graates and submitted ring interview) can be downloaded and printed from the above website
5. In order to facilitate candidates and rece the cost of registration, a total of 35 test centers are set up in the municipalities directly under the central government, provincial capitals, Dalian, Qing, Xiamen and Shenzhen. Candidates can choose the place of written test according to the actual situation when they register. The place of written test can be different from the place where the applicant is located, before 24:00 on October 21, Candidates can modify the location of the written examination
6. Candidates who have confirmed to take the written examination should print their admission cards at the specified time and take the written examination as required. If the candidates who have been confirmed to take the examination are unable to take the written examination e to force majeure, please contact the branch of the people's Bank of China in the place where the examination center is located within 7 days after the end of the examination to explain the reasons for their absence and provide relevant supporting materials. The people's Bank of China will also announce the name list of those who are absent for no reason in an appropriate way
7. Candidates can only use their second generation ID card to register, and ensure that the ID card is within the validity period ring the examination, and the registration must be consistent with the ID card used ring the examination
8. Without review, candidates can change their online registration profile and position. After passing the qualification examination, the submitted personal data and registration information will not be changed. If they fail to pass the qualification examination, they may apply for other positions
9. No fee will be charged for this recruitment
candidates should be responsible for the authenticity, accuracy and completeness of the information and materials submitted online. Those who fail to fill in the form as required, or do not conform to the actual situation, or cheat, will be disqualified from examination or employment (employment) once verified< 3. Examination and employment
examination includes written examination and interview
(1) written examination
there is no book for review in this examination. Candidates for economic and financial professional positions shall take administrative professional ability test and economic and financial professional knowledge test, while candidates for other professional positions (including multi professional mixed positions in open recruitment positions of directly affiliated units) shall take administrative professional ability test and application test. Examination time: 9:30-12:00 a.m. on November 9, 2019, in which 9:30-10:30 is the administrative professional ability test and 10:30-12:00 is the economic and financial professional knowledge (or application) test
candidates should take the written examination according to the time, place and examination room indicated on the admission card. When taking part in the examination, the candidates must carry the admission card and ID card at the same time. Those with incomplete certificates are not allowed to enter the examination room to take part in the examination
candidates can query their written test scores through the online registration system. Please pay attention to the notice of online registration system for specific query time< (2) after the interview, the people's Bank of China will determine the list of interviewers according to a certain proportion of the number of candidates to be employed according to the written examination results of candidates. The interview shall be organized and implemented by all branches and units directly under the people's Bank of China, and the candidates shall be informed of the interview matters by telephone, SMS or e-mail. When filling in the contact information, the candidates shall ensure that the recruitment unit can contact them in time
according to the needs of work, some recruitment units may increase interviews or other tests, and the specific test form and time will be notified by the recruitment unit
ring the interview, you should provide your ID card and the application recommendation form sealed by your school (for fresh graates, please download it from the registration website). At the same time, you should also bring other relevant supporting materials required by the recruitment unit, such as lack of certificates or relevant information
9. < UL >
try to set your TCP / IP protocol to automatic acquisition state. Method: right click Network Neighborhood - properties - right click & quot; Local connection & quot; Properties - double click & quot; Internet Protocol TCP / IP & quot- IPX is the bottom layer protocol of NetWare. It is only responsible for the movement of data in the network. It does not guarantee the success of data transmission, nor does it provide error correction
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