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Send an Ethereum

Publish: 2021-05-23 05:36:40
1. Use bitpai wallet, support batch address transfer, very useful.
2. For indivial investors, the realm kingdom with lower investment threshold is more suitable, because its entry threshold starts from $100, which is very low.
3.

Eth is a kind of digital token of Ethereum,

developers need to pay eth to support the application

like other digital currencies, ether currency can be traded on the trading platform


generally speaking, Ethereum is an open source platform, digital currency and blockchain platform,

it provides developers with a platform to build and publish applications on blockchain

Ethereum can be used to program, distribute, guarantee and trade anything, including voting, domain names, financial exchanges, crowdfunding, corporate management, contracts and most of the agreements, intellectual property, and smart assets that benefit from hardware integration


at present, China bitcoin trading platform (chbtc) has opened the Ethernet currency trading function,

supports eth / CNY trading and eth three times leverage, supports interest free lending, and the handling charge is as low as 0 yuan

4. At present, their common point is blockchain + government affairs, but the application fields involve different scenarios. Personally, I don't think it's comparable. For the moment
according to the report, Zhejiang blockchain government platform is mainly engaged in blockchain bills, especially medical bills. The public platform of Changsha's SMIC blockchain mainly focuses on government information disclosure, government affairs handling, intellectual property protection, judicial expertise, finance and so on, but it has not involved the medical bills yet.
5.

1、 Yintong, Southeast Development Zone, Changshu City, Suzhou city to Public Security Bureau Station:

bus line: Changshu 125, about 8.3km

1. Walk about 140m from laoyinpu (yintong) to Xiaokang Village Vegetable Farm Station

2. Take Changshu 125, pass 16 stops, and reach Xinyan Road Station of Dongming hospital

3. Walk about 380m to Public Security Bureau

2 Public Security Bureau to Shanghai Mercedes Benz cultural center

{rrrrrrr}

bus line: Changshu 202 road → Kunshan 121 road → Kunshan 104 road → Kunshan 155 road → Metro Line 11 → Metro Line 8, the whole journey is about 134.8km

< P > 1. Walk 540 meters from the public security bureau to the Public Security Bureau Station

2. Take Changshu 202 Road, pass 42 stops, and reach jiangxiangcun station

3 Take Kunshan No.121, pass 7 stops to Shibei Huayuan station

4, take Kunshan No.104, pass 18 stops to municipal government west station

5, take Kunshan No.155, pass 9 stops to rail transit Guangming Road Station

6, walk about 10 meters to Guangming Road Station

7, take Metro Line 11, pass 25 stops to Oriental Sports Center Station

8, take Metro Line 8, pass 4 stops, Arrive at the Chinese Art Palace Station

9, walk about 660 meters to Shanghai Mercedes Benz cultural center


6. The one you are talking about is touch money, a new platform for trading and mining. Its activity is not fake
7. According to Blizzard's setting, Warcraft uses five farmers to collect gold, and more than five will be idle population
hope to adopt
8. If you believe it, you will be cheated. For example, when you are looking for a job, the other party asks you to pay a fee first, and then you can enter the job or participate in training. That's not to say 80%, 100% is false. But as far as I know, hicoin only needs the user to send the registered mobile phone number and receiving address to the staff, and indeed I have received a lot of empty coins. There is no security problem in this activity, so you don't have to worry about it.
9.

Transaction

the behavior of blockchain transaction follows different rule sets

< UL >
  • e to the distributed and unlicensed nature of public blockchain, anyone can sign the transaction and broadcast it to the network

  • according to different blockchains, traders will be charged a certain transaction fee, which depends on the needs of users rather than the value of assets in the transaction

  • blockchain transactions do not require any central authority verification. It only needs to use the digital signature algorithm (DSA) corresponding to its blockchain to sign it with the private key

  • once a transaction is signed, broadcast to the network and mined into a successful block in the network, the transaction cannot be recovered

  • Ethereum transaction structure

  • Ethereum transaction data structure: transaction 0.1 eth

    {
    & 39; nonce':&# 39; 0x00', // Decimal: 0
    & 39; gasLimit': &# 39; 0x5208', // Decimal system: 21000
    & 39; gasPrice': &# 39; 0x3b9aca00', // Decimal system: 10000000000
    & 39; to': &# 39;&# 39; ,// Sending address
    & 39; value': &# 39; 0x16345785d8a0000',// 100000000000000000 ,10^17
    ' data': &# 39; 0x', // Decimal representation of null data; chainId': 1 / / blockchain network ID
    }

    these data have nothing to do with the transaction content, but have something to do with the execution mode of the transaction. This is because when you send a transaction in Ethereum, you must define some other parameters to tell miners how to handle your transaction. Transaction data structure has two attribute designs & quot; gas": & quot; gasPrice",& quot; gasLimit"

  • " gasPrice": The unit is Gwei, which is 1 / 1000 eth, indicating the transaction cost

  • & quot; gasLimit": The maximum gas charge allowed for the transaction

  • these two values are usually filled in automatically by the wallet provider

    in addition, you need to specify which Ethereum network to execute the transaction (chainid): 1 represents the Ethereum main network

    ring development, tests are usually carried out locally and on the test network, and transactions are carried out through the test eth issued by the test network to avoid economic losses. After the test, enter the main network transaction

    in addition, if you need to submit some other data, you can use & quot; data" And & quot; nonce" Attach as part of a transaction

    a nonce (number used only once) is the value used by Ethereum to track transactions, which helps to avoid double spending and replay attacks in the network

  • Ethereum transaction signature

    Ethereum transaction involves ECDSA algorithm. Taking JavaScript code as an example, the popular ethers.js is used to call ECDSA algorithm for transaction signature

  • const ethers = require(' ethers')
  • const signer = new ethers.Wallet(' Wallet address

  • signer.signTransaction({

  • ' nonce':&# 39; 0x00', // Decimal: 0

  • & 39; gasLimit': &# 39; 0x5208', // Decimal: 21000

  • & 39; gasPrice': &# 39; 0x3b9aca00', // Decimal 10000000000

  • & 39; to': &# 39;&# 39; ,// Sending address

  • & 39; value': &# 39; 0x16345785d8a0000',// 100000000000000000 ,10^17

  • ' data': &# 39; 0x', // Decimal representation of null data

  • & 39; chainId': 1 / / blockchain network ID

  • })

  • . Then (console. Log)
  • you can use the online application composer to deliver signed transactions to Ethereum. This is known as "offline signature.". Offline signatures are particularly useful for applications such as status channels, which are smart contracts that track the balance between two accounts and transfer funds after a signed transaction is submitted. Offline signature is also a common practice in dexes

    you can also use online wallet to create signature verification and broadcast through Ethereum account

    with Portis, you can sign a transaction to interact with the gas station network (GSN)

    < / UL >

    the Xueshuo innovation blockchain Technology Workstation of Lianqiao ecation online is the only approved "blockchain Technology Specialty" pilot workstation of "smart learning workshop 2020 Xueshuo innovation workstation" launched by the school planning, construction and development center of the Ministry of ecation of China. Based on providing diversified growth paths for students, the professional station promotes the reform of the training mode of the combination of professional degree research, proction, learning and research, and constructs the applied and compound talent training system

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