Progress of Ethereum Q3

1.

At present, there are many channels for domestic users to buy Ethereum. Here are some common channels:

< H2 > 1. Coincola is an over-the-counter trading platform for indivials to trade bitcoin

coy Cola is affiliated to Hong Kong coincola limited, which is developed and operated by a professional international team, focusing on providing convenient and reliable blockchain services for global users. Coincola gathers global users and is committed to building a world-class blockchain asset platform

in coy cola, people from different countries can buy bitcoin with their own currency. The seller of the website publishes the advertisement of selling bitcoin, and explains the payment method and exchange rate. You can choose to trade directly online according to the content of the advertisement. Bitcoin is stored in Ke Ying Cola's Internet wallet. You can transfer bitcoin directly

2. How to buy eth

< UL >

register the coincola account, and then click "buy" in the top menu of the home page to enter the advertisement list page

select the appropriate advertisement from the advertisement list and click "buy eth" to enter the transaction page

enter the amount of money to be purchased or the number of digital currency (please understand the message information of the other party, payment method, and transaction instructions of the platform before entering), click buy now, and the order confirmation pop up. After checking and confirming the information, click confirm purchase to enter the order page

in the chat box of the platform, you can inquire whether the other party is online according to the template statement, and make offline payment according to the collection information and collection method provided by the other party

after the completion of offline payment, click the mark that the payment has been completed at the first time (please complete this operation within 15 minutes at the beginning of placing an order, so as to avoid the payment cannot be recovered e to the cancellation of the order e to overtime), and then customize the input information in the chat box to confirm the payment and ask the seller to confirm the collection and release the digital currency

the progress bar in the top column shows that the goods have been received, indicating that the digital currency has arrived in the wallet. Make comments according to the seller's behavior, and click submit to complete the transaction

< / UL > < H2 > 2. C2C trading on trading platform

with the rapid increase in the number of trading platforms and competitive pressure, many trading platforms will have their own C2C trading. Here we take the relatively large ZB trading platform as an example to illustrate

What is C2C

C2C transaction is a customer to customer transaction, which is guaranteed by the transaction platform. There are many such platforms, such as: Fire coin, otcbtc, bitpai OTC, etc., which are guaranteed by the platform and traded between users. We can simply understand it as: our shopping situation on Taobao is the same as that. In case of dispute, the platform will arbitrate. As long as the transaction is carried out according to the normal process, the security of the transaction is guaranteed

2. ZB's C2C business

ZB platform has two choices: QC and usdt. The basic logic is the same. There are many usdt platforms. QC is the feature of ZB, EXX and other platforms. Here we focus on QC

< H2 > about QC

QC is a token. At present, you may know more about usdt and bitcny. At present, there is a special area for QC transaction on ZB. Simply put, QC can buy all other digital currencies (BTC, ETH, EOS, etc.) on ZB. Therefore, after purchasing QC with RMB recharge, you can conct currency transaction on ZB station

The advantage of the < H2 > QC token is that the exchange ratio between the < H2 > < UL >

and RMB is 1:1, which is easier to convert

purchasing other tokens with QC can be directly understood as purchasing RMB, and has an intuitive understanding of the currency price

it takes about half an hour to get to the account. It will take about two hours to get to the account in congestion

ZB platform is relatively reliable, and the reputation of ZB is still very good in the past

How to operate C2C of ZB

< UL >

log in to ZB trading platform and click "C2C trading" on the page

to get to the QC transaction page, you need to first bind your bank card. Then, in the buy QC interface, enter the quantity of QC you want to buy. At present, the ratio of QC to RMB is 1:1. Enter the purchase quantity and click "buy now"

after clicking "buy now", you will be prompted to complete the payment within 30 minutes. At the same time, payment information is generated. Please note that the payment must be made according to the prompt

< / UL > < H2 > official statement:

business processing time 9:00-21:00. Non processing time orders will be processed at 9:00 the next day, and the payment will be completed within 24 hours after receiving the order

this means that the merchant you paid will transfer QC coin to your account within 24 hours. According to my experience, you can get to the account in 2 hours ring the day

< H2 > the following points should be paid attention to:

1) make sure to use the newly bound bank card for transfer and payment

2) note information (that 6 digit) must fill in

3) do not use Alipay, WeChat and other transfers. p>

4) do not fill in the opposite account incorrectly

< UL >

about 1-2 hours, you can check whether your QC has arrived in the financial center

after the account is received, you can trade in the "QC" zone of the "spot trading". You can choose the transaction you want to buy and buy the order

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.

The price of Eth and other virtual currencies is determined by the following aspects: 1. Frequency of use; 2. Actual use; 3. Number of participants

as for how much room to go up, the current price of Ethereum is about 6600. Recently, e to the frequent use of Ethereum private placement, Ethereum has risen to more than 10000. Ethereum is a smart contract, and there are countless tokens developed based on Ethereum. Therefore, as the underlying public chain of smart contract, its prospect changes with the popularity of blockchain, However, some time ago, the disadvantages of Ethereum were exposed. The main chain was congested and the handling fees were extremely expensive. The development of Ethereum was close to the bottleneck. Therefore, the room for its growth was whether the developers could improve the main chain environment according to the disadvantages. As for the number of participants, it was not a big problem now. Pay more attention to the current development progress of the developers and focus on doing things, There is a bright future ahead

at present, the websites that can trade Ethereum include: btctrade international station, Huo coin, coin an, etc.

4.
investment in bitcoin is not so profitable now. All the financial procts I know belong to usury, and those with an annual rate of more than 24% are generally not protected by the state. As far as I know, the monthly profit of 30% are all pyramid schemes, such as BBT mint
of course, maybe you will refute me, because you do get the benefits, but if you don't get the benefits, will you invest more money, or will you pull the head? This can go to the network about the Ponzi scheme.

5. You can choose to disconnect and reconnect

6. Brief introction to q-series PLC:
1. Q-series PLC is a slot structure with independent power supply, CPU and I / O unit, which is suitable for systems with more than 250 points.
2. There are four types of CPU: basic mode CPU, high-performance mode CPU, process control CPU and motion control CPU.
3. Space and wiring are saved, and the space required for installing q-series is only 60% of the original A-Series Q series has 5-slot, 8-slot and 12 slot substrates, which can be flexibly configured to rece the number of substrates used in the system
5. Q series has stronger CC-Link network function, and moles supporting Ethernet communication
6. Excellent equipment compatibility, There are more kinds of high performance moles
basic mode CPU:
q00jcpu: program step: 8K steps, CPU and power mole and basic combination
q00cpu: program step: 8K steps
q01cpu: program step: 14k steps
high performance mode CPU:
q02cpu: program step: 28K steps
q02hcpu: program step: 28K steps
q06hcpu: program step: 60K steps
q12hcpu: program step: 124k steps Step
q25hcpu: program step: 252k step
process control CPU:
q12ph
q25ph
motion control CPU:
q172cpu: for 8-axis control
q173cpu: for 32 axis control
[cpu-q mode]
q00jcpu program capacity: 8K step
q00jcpu-set program capacity: 8K step; Qh42p high density unit with 64 points
q00jcpu-s8-set program capacity: 8K steps; And the unit with two qx40 and two qy10
q00cpu program capacity: 8K steps
q01cpu program capacity: 14k steps
q02cpu program capacity: 28K steps
q02hcpu program capacity: 28K steps, high speed
q06hcpu program capacity: 60K steps, high speed
q12hcpu program capacity: 124k steps, high speed
q25hcpu program capacity: 252k steps, High speed
- [CPU IQ mode]
q00ujcpu program capacity: 10K steps
q00ujcpu-set program capacity: 10K steps; Qh42p high density unit with 64 points
q00ujcpu-s8-set program capacity: 10K steps; And the unit with two qx40 and two qy10
q00ucpu program capacity: 10K steps
q01ucpu program capacity: 15K steps
q02ucpu program capacity: 20K steps; Ultra high speed
q03udcpu program capacity: 30K steps; Ultra high speed; Multi CPU ultra high speed communication
q04udhcpu program capacity: 40K steps; Ultra high speed; Multi CPU ultra high speed communication
q06udhcpu program capacity: 60K steps; Ultra high speed; Ultra high speed communication between multiple CPUs
q10udhcpu program capacity: 100k steps; Ultra high speed; Ultra high speed communication between multiple CPUs
q13udhcpu program capacity: 130K steps; Ultra high speed; Multi CPU ultra high speed communication
q20udhcpu program capacity: 200K steps; Ultra high speed; Multi CPU ultra high speed communication
q26udhcpu program capacity: 260K steps; Ultra high speed; Multi CPU ultra high speed communication
q03udecpu program capacity: 30K steps; Ultra high speed; Multi CPU ultra high speed communication, built-in Ethernet
q04udeh CPU program capacity: 40K steps; Ultra high speed; Multi CPU ultra high speed communication, built-in Ethernet
q06udeh CPU program capacity: 60K steps; Ultra high speed; Multi CPU ultra high speed communication, built-in Ethernet
q10udeh CPU program capacity: 100k steps; Ultra high speed; Multi CPU ultra high speed communication, built-in Ethernet
q13udeh CPU program capacity: 130K steps; Ultra high speed; Multi CPU ultra high speed communication, built-in Ethernet
q20udeh CPU program capacity: 200K steps; Ultra high speed; Multi CPU ultra high speed communication, built-in Ethernet
q26udeh CPU program capacity: 260K steps; Ultra high speed; Multi CPU ultra high speed communication, built-in Ethernet
- [CPU process control CPU mole]
q02phcpu program capacity: 28K steps, process control
q06phcpu program capacity: 60K steps, process control
q12phcpu program capacity: 124k steps, process control
q25phpu program capacity: 252k steps, Process control
- [CPU rendant control CPU mole]
q12prhcpu program capacity: 124k steps, rendant control
q25prhcpu program capacity: 252k steps, rendant control
- [rendant control data tracking cable]
qc10tr 1m data tracking cable
qc30tr 3M data tracking cable
- [main substrate, Extended base plate mole]
q33b-e power supply + CPU + 3 q-series I / O slots, CE / UL / cul
q35b-e power supply + CPU + 5 q-series I / O slots, CE / UL / cul
q38b-e power supply + CPU + 8 q-series I / O slots, CE / UL / cul
q312b-e power supply + CPU + 12 q-series I / O slots, CE / UL / cul
q63b power supply + 3 q-series I / O slots, CE / UL / cul
q65b power supply + 5 q series I / O slots, CE / UL / cul
q68b power supply + 8 q series I / O slots, CE / UL / cul
q612b power supply + 12 q series I / O slots, CE / UL / cul
q52b 2 q-series I / O slots (no power slots)
q55b 5 q-series I / O slots (no power slots)
q38rb 2 power supply + CPU + 8 q-series I / O slots (rendant system main board)
q68rb 2 power supply + 8 q-series I / O slots (rendant system expansion board)
q65wrb 2 power supply + Dual Bus + 5 q-series I / O slots (rendant system base board)
q65wrb
- [main board IQ mode]
38dB power supply + CPU + 8 q series I / O slots; Support ultra high speed communication between multiple CPUs
312db power supply + CPU + 12 q series I / O slots; Support multi CPU ultra high speed communication
- [power mole]
q61p 100-240Vac input / 5VDC 6A output, CE / UL / cul
q62p 100-240Vac input / 5VDC 3a, 24 VDC / 0.6 a output
q63p 24 VDC input / 5 VDC 6 a output
q64pn 100-240 VAC input / 5 VDC 8.5 a output
q63rp 24 VDC input / 5 VDC 8.5 a output (rendant system power mole)
q64rp 100-120 / 200-240 VAC input / 5 VDC 8.5 a output (rendant system power mole)

7. Operating system operating system genuine Windows 7 home premium simplified Chinese processor Intel Core I3 processor 380m (2.53 GHz, 3 MB) main chipset Intel HM55 memory 2GB DDR3 display LCD 13.3 & quot; HD LED backlight highlight LCD widescreen graphics card NVIDIA geforce 310m independent graphics card 512 M multimedia integrated camera 300000 pixel camera memory hard disk 320GB (5400 RPM) optical drive super multi recorder communication cable Ethernet 10 / 100M wireless LAN 802.11BGN Bluetooth Bluetooth Bluetooth Bluetooth Bluetooth Bluetooth 3.0 I / O port VGA VGA HDMI HDMI headset output Headphone output microphone input microphone input USB 3 USB 2.0 multi memory card slots, standard three in one card reader slot, Support (SD / MMC / SDHC) RJ45 (LAN) RJ45 power input (power port) power input keyboard type full size keyboard security system recovery Samsung recovery solution 4 power AC adapter 60W automatic switching 100-240 volt endless voltage battery standard 6-cell lithium battery physical characteristic volume 329 x 229.5 x 26.4 ~ 32.0 mm weight 1.96 kg color black Basic parameters time to market 2011 proct type household proct positioning omnipotent student operating system Windows 7 home premium processor series Intel Core I3 processor model Intel Core I3 380m processor main frequency 2.53GHz three level cache 3MB core type Arrandale core number / thread al core / four thread motherboard chipset Intel HM5 5 storage device memory capacity 2GB memory type DDR3 1066MHz hard disk capacity 320GB hard disk description 5400 rpm, SATA CD-ROM drive type DVD recorder design type built-in CD-ROM drive Description Support DVD supermulti al layer recording display screen size 13 inch screen scale 16:9 screen resolution 1366 × 768 backlight technology LED backlight graphics card type low end independent graphics card chip NVIDIA geforce 310m video memory capacity 512MB video memory type GDDR3 video memory bit width 64bit stream processor number 16 audio system built-in sound chip speaker built-in speaker microphone built-in microphone camera head / network communication camera integrated 300000 pixel camera wireless network card support 802.11b/g/n wireless protocol network card description, 100Mbps network card Bluetooth support, Bluetooth 3.0 mole interface, data interface 3 × USB2.0 video interface, VGA, HDMI audio interface, headphone output interface, microphone input interface, other interfaces, RJ45 (network interface), power interface, card reader, 3 in 1 card reader (SD, MMC, SDHC) input device refers to the device touch pad keyboard description full size keyboard power description battery type 6-cell lithium battery life about 5 hours, The specific time depends on the environment. The weight of the notebook is 1.96KG and the overall size is 329 × two hundred and twenty-nine point five × 26.4-32.0 mm shell material composite shell description black

remember to adopt

8. Q series PLC introction: 1. Q series PLC is slot structure, power supply, CPU and I / O unit are independent moles, which are suitable for systems with more than 250 points. 2. There are four types of basic mode CPU, high-performance mode CPU, process control CPU and motion control CPU. 3. Space saving and wiring, and the space required for installing q series is only 60% of the original a series. 4. Q series has 5 slots, 8 slots, 4 slots 12 slots of various substrates, flexible configuration, rece the number of substrates used in the system. 5. Q series has stronger CC-Link network function and moles supporting Ethernet communication, With more kinds of high-performance moles basic mode CPU: q00jcpu: program step: 8K step CPU and power mole and basic combination q00cpu: program step: 8K step q01cpu: program step: 14k step high-performance mode CPU: q02cpu: program step: 28K step q02hcpu: program step: 28K step q06hcpu: program step: 60K step q12hcpu: program step: 124k step q25hcpu: program step: 252k step process control CP U: Q12ph q25ph motion control CPU: q172cpu: for 8-axis control q173cpu: for 32 axis control [cpu-q mode] q00jcpu program capacity: 8K steps q00jcpu-set program capacity: 8K steps; Qh42p high-density unit with 64 points, a q00jcpu-s8-set program capacity: 8K steps; The program capacity of q00cpu with two qx40 and two qy10 is 8K steps, q01cpu is 14K steps, q02cpu is 28K steps, q02hcpu is 28K steps, high-speed q06hcpu is 60K steps, high-speed q12hcpu is 124k steps, high-speed q25hcpu is 252k steps, High speed - [CPU - IQ mode] q00ujcpu program capacity: 10K steps; q00ujcpu-set program capacity: 10K steps; Qh42p high-density unit with 64 points, q00ujcpu-s8-set program capacity: 10K steps; The q00ucpu program capacity of the unit with two qx40 and two qy10: 10K steps, q01ucpu program capacity: 15K steps, q02ucpu program capacity: 20K steps; Ultra high speed; Q03udcpu program capacity: 30K steps; Ultra high speed; Q04udhcpu program capacity: 40K steps; Ultra high speed; Q06udhcpu program capacity: 60K steps; Ultra high speed; Q10udhcpu program capacity: 100k steps; Ultra high speed; Q13udhcpu program capacity: 130K steps; Ultra high speed; Multi CPU ultra high speed communication q20udhcpu program capacity: 200K steps; Ultra high speed; Multi CPU ultra high speed communication q26udhcpu program capacity: 260K steps; Ultra high speed; Q03udecpu program capacity: 30K steps; Ultra high speed; Multi CPU ultra high speed communication, built-in Ethernet q04udeh CPU program capacity: 40K steps; Ultra high speed; Multi CPU ultra high speed communication, built-in Ethernet q06udeh CPU program capacity: 60K steps; Ultra high speed; Multi CPU ultra high speed communication, built-in Ethernet q10udeh CPU program capacity: 100k steps; Ultra high speed; Multi CPU ultra high speed communication, built-in Ethernet q13udeh CPU program capacity: 130K steps; Ultra high speed; Multi CPU ultra high speed communication, built-in Ethernet q20udeh CPU program capacity: 200K steps; Ultra high speed; Multi CPU ultra high speed communication, built-in Ethernet q26udeh CPU program capacity: 260K steps; Ultra high speed; Multi CPU ultra high speed communication, built-in Ethernet - [CPU process control CPU mole] q02phcpu program capacity: 28K steps, process control q06phcpu program capacity: 60K steps, process control q12phcpu program capacity: 124k steps, process control q25phpu program capacity: 252k steps, process control - [CPU rendancy control CPU mole] q12prhcpu program capacity: 124k steps, Rendancy control q25prhcpu program capacity: 252k steps, rendancy control - [rendancy control data tracking cable] qc10tr 1m data tracking cable qc30tr 3M data tracking cable - [main board, expansion board mole] q33b-e power supply + CPU + 3 q series I / O slots, CE / UL / cul q35b-e power supply + CPU + 5 Q series I / O slots, CE / UL / cul q38b-e power supply + CPU + 8 q series I / O slots, CE / UL / cul q312b-e power supply + CPU + 12 q-series I / O slots, CE / UL / cul q63b power supply + 3 q-series I / O slots, CE / UL / cul q65b power supply + 5 q-series I / O slots, CE / UL / cul q68b power supply + 8 q-series I / O slots, CE / UL / cul q612b power supply + 12 q-series I / O slots, CE / UL / cul q52b 2 q-series I / O slots (no power slot) q55b 5 q-series I / O slots (no power slot) q38rb 2 power + CPU + 8 q-series I / O slots (rendant system main board) q68rb 2 power + 8 q-series I / O slots (rendant system expansion board) q65wrb 2 power + Dual Bus + 5 q-series I / O slots (rendant system base board) - [main base board - IQ mole] Type] 38dB power supply + CPU + 8 q series I / O slots; Support multi CPU ultra high speed communication, 312db power supply + CPU + 12 q series I / O slots; Support multi CPU ultra high speed communication - [power mole] q61p 100-240Vac input / 5VDC 6A output, CE / UL / cul q62p 100-240Vac input / 5VDC 3a, 24 VDC / 0.6 a output q63p 24 VDC input / 5 VDC 6 a output q64pn 100-240 VAC input / 5 VDC 8.5 a output q63rp 24 VDC input / 5 VDC 8.5 a output (rendant system power mole) q64rp 100-120 / 200-240 VAC input / 5 VDC 8.5 a output (rendant system power mole)