Erc20 digital currency

1.

in order to create erc20 token, you need to write down the following contents

1. token name
2. token symbol
3. token decimal
4. number of tokens is in circulation
5. Contract
6. code verification source code

in addition to erc20, there are erc20, erc721, erc223, erc621, erc827, But for erc721, by the way, erc721 is a protocol mainly used for blockchain games. The blockchain games you often see are basically based on erc721

2. No, dog coin has its own block. Before recharging, the customer service of Zhongyuan gave me a screenshot, which is the interface of dogcoin block browser. Later, it was found that it had its own block.

3. No, I can't. let's switch to other ways

4. There are many reasons why you can't get to the account. First of all, check whether your address is filled in incorrectly. If it is filled in incorrectly, go to the address you filled in. If the address is correct, go to the place where you fill in the money and see what the minimum amount of money is. If it is lower than the minimum amount of money, you will not be charged. You can only go to the customer service to see if you can manually charge it, There is also the problem of withdrawing money. If you don't put money in the bank, you can't get it. Learn to use the blockchain browser, and you can find out where your money is and which link has problems

5. Erc20
model erc20

6. Open safegem hot wallet app -- & gt; Click erc20 -- & gt; Click the currency to be added - & gt; Scan activation QR code with Anbao hot Wallet - & gt; Currency added successfully.

7.

Rc20 token standard (erc20 token standard) is a standard used to create token through Ethereum. According to the erc20 specification, a smart contract can be written to create a "interchangeable token". It is not mandatory, but following this standard, the token created can interact with many exchanges, wallets, etc. it has now been widely accepted by the instry

erc20 token standard was first proposed by Ethereum developer Fabian vogelsteller in the open source community. Later, Ethereum founder vitalik (known as "V God") wrote the first version of the document, which was called "standardized contract API" at that time_ Contract_ APIs

following erc20 token standard, smart contracts can be written. The token methods it needs to implement include: optional name, symbol, decimals, balance of, transfer, transfer from, approve, and allowance. The event responses it needs to implement include transfer, approve

in addition to erc20, Ethereum also focuses on erc721. Different from erc20, erc721 is a non fungible token standard (NFT)

The general syndromes of

erc20 are interchangeable and homogeneous, while the general syndromes of erc721 are not interchangeable and heterogeneous; Erc20 can be subdivided infinitely, while erc721 can not be subdivided because its minimum unit is 1

in June 2018, erc721 was officially accepted by Ethereum community and became the final standard. The popular cryptokitties followed the erc721 standard

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