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㈠ Guidelines on how to add a wallet with a blockchain address

1. Download the TP wallet, and then add a public chain. Whichever public chain you receive the airdrop from will be added. public chain!
2. Create a wallet for whichever public chain you need, and just fill in the requirements!
3. After creating the wallet, you will have the public chain address!
4. Then check which address the project requires, copy the address of your public chain, and leave the address as required!
5. After participating in the event and leaving your address, you also need to add the contract of this currency to your wallet, so that your wallet will display this currency, otherwise it will not be displayed by default!
6. After completing the above steps, just wait patiently. Some of them will not be credited directly, and the rest will not be credited all the time, because you have to collect the addresses to transfer coins and so on! If the blockchain is congested, it will take longer!
To claim the airdrop, you need a public chain address. Public chain addresses include Huobi Ecological Chain HECO, Binance Smart Chain BSC, etc. For coins on different chains, keep the addresses of different chains!

㈡ Introduction to digital currency wallet development, blockchain digital wallet

The blockchain digital wallet system can conduct unified management of multiple mainstream digital currencies such as Bitcoin and Ethereum. And storage, that is to say, all currencies are installed in one wallet for management, which greatly reduces the threshold for using digital currencies and the management burden, and is also very flexible and convenient to use.

Blockchain digital currency wallet functions:

1. Financial management: When developing a blockchain wallet APP, you can add mortgage loan functions or other functions. For example, bringing money to earn interest or other financial management functions.

2. Recommendation rewards: This is the reward mechanism of the wallet APP. For example, if you invite new users through links or other channels, you will also receive certain rewards. This mechanism can also This will in turn attract more users.

4. Trading system: If you want to trade when you see the market, the trading module in the general wallet can have Lianzhong's approach. For this purpose, a trading module can be directly developed and then used by those who are strong and able to afford funds.

5. Market information: For users, market conditions are very important. They can obtain new information at any time in order to make timely adjustments, so this function is equally important.

Advantages of blockchain wallet App development:

1. Distributed storage

Blockchain wallets that use distributed storage eliminate The influence of centralization is to store data in different nodes in a distributed manner, ensuring the security of users' wallets and data, and removing the central management mechanism. If someone wants to steal the user's wallet account information, they need to first find the node where the user stores the information, and then attack at the same timeDifferent data storage nodes, instead of only needing to attack one central point as before, increase the difficulty for hackers to steal user information and ensure the security of user information.

2. Encryption algorithm

Every data storage node in education has the application of encryption algorithm, and a user’s data is not only stored in several nodes, but also Among the unclear nodes. It may be hundreds, thousands, tens of thousands, etc. Each node has the application of encryption algorithm, which further improves the security of account information.

3. Traceability

Traceability is the most practical aspect of a blockchain wallet. When a user transfers a wrong account, the transferred money can be recovered through the application of technology. Chase back. Since transfer is also a kind of data transmission information, we only need to trace the source of the data, submit a management application, and retrieve the money data.

㈢ Under what circumstances can a blockchain digital wallet never be recovered?

Blockchain digital wallet is a necessary tool, and if you are not careful, digital currency may be lost. Finally, remember:
1. The blockchain digital wallet contains keys, so you must keep them safe.
2. Remember the private key and mnemonic phrase offline, and do not tell them to third parties, otherwise it will be equivalent to putting your assets in front of others.
3. Try to use wallets with higher security that have been verified over time and have more users.
Otherwise, once the wallet assets are lost, they will never be recovered.

㈣ How to develop blockchain mobile wallet app software

Rely on third-party platforms

Clear your own needs, understand the code, and be familiar with the development process

Complete APP development process

Early stage of APP development

Developing mobile APP requires understanding of product positioning

Determine the needs for APP development and position the APP. To develop and produce an APP software, you need to first understand the needs of the Bizhenlan App application market. This is a rigid standard

Evaluation

Make the overall situation of the project as detailed as possible , evaluate whether the APP development project can be completed within the specified time limit, and evaluate whether the required functions can be realized. This is a crucial point for whether a mobile APP can ultimately survive under the strategic direction of the enterprise. During the APP development process

Determine the prototype of the APP

Including user experience design (UX), the interaction logic of the APP interface, and the general status of the implementation of the APP function points

Have a clear positioning of the APP and build an APP prototype. Start UI design and design the user interface. The user interface is where APP users interact with your APP. It should be simple and beautiful. , the principle of convenience can bring a higher experience to users. A complete APP requires a suckCreativity that attracts users' attention requires developers to have unique insights in creative planning

Premium sample display

The display effect of high-quality samples is to enable enterprises to visually I saw the prototype of an APP online, which saved a lot of time and energy in later code development.

Native code development

After UI design and sample presentation, the APP code development stage officially enters. At this stage, all early display effects are realized and developed natively through the APP code.

Deeply study what you don’t understand about APP development

The technology of APP development and customization is constantly being renovated and developed. APP developers will often encounter new problems during the development process. The functional requirements for APP development must not only be integrated with the existing functional system, but also make the newly developed APP functions unique.

Understand the system compatibility of the APP

When developing mobile APPs, you must know that the styles, layouts and navigation of Android and iOS are very different, which requires matching every aspect of creating an APP project. operating system to satisfy users. At the same time, for Apple apps, it requires applications designed and developed specifically for the operating system.

Developing mobile APPs requires continuous testing

Customized APPs need continuous optimization and testing, instead of getting the results after one or two APP production tests, directly putting the undeveloped and perfect The launch of APP software is irresponsible to the company and to users.

After the APP development is completed

Product testing is launched

After the code development is completed, it enters the stage of testing and later launch. This is a gradual process. After all bug testing is completed and it is confirmed that there are no bugs, it can be launched on the Apple market and Android market.

Project delivery is completed

After the APP development and testing is online, the source code, documentation, and operation documents will be delivered to Party A in accordance with the contract.

Online operation and promotion

After a successful launch, the APP can develop the number of users through the company's own operation and promotion, making it stand out in the industry. Of course, if there are bugs later, or updates can provide follow-up services. Only by constantly advancing with the times in operation and promotion, and maintaining and updating can the APP survive forever.

㈤ What are the methods for backing up the private key of a blockchain wallet?

When you create a blockchain wallet, after the creation is successful, the system will automatically generate the wallet Addresses, public keys, and private keys, however, you need to back them up yourself, and the wallet will not save them for you. So how should you back up this information? How many methods are there?

First, a wallet with double security, and the private key is imported into the Armory client (1) for cold storage (2). Users can quickly find the required private key from the cold storage in the client. Another advantage is that it facilitates offline transaction transfers without having to re-import the private key every time. At the same time, the computer's operating system requires a password.

Second, the private key and public key of the wallet can be made into an electronic backup and synchronized to the cloud. You can copy and paste them into a document and mark the name. The document can be named in pinyin or garbled, but it must be saved in another document to indicate what the file is used for. However, the result of this is that you may forget which file is stored, so you need to note the information on your mobile phone, and at the same time, you need to arrange the review of the private key as a schedule event that repeats according to time (such as review once every two months). When the time is up, your mobile phone or computer will remind you to review. And it's not just a matter of recalling it a few times. You need to go to the backup and open the wallet that generated the private key, and log in again to see if the private key (and address) is correct.

Third, users can write down the private key and public key and address of the wallet on the document. If you name it, you can understand it yourself. It looks like a broken picture that cannot be opened, or even worse, we can compress the fake picture that cannot be opened into zip format and disguise it as a real picture, and then restore it when needed. The specific modification method can be found online.

Fourth, the above three methods are all electronic backup methods. Another simple and crude method is to hand-copy the private key and public key in a diary to make it look less deliberate and abrupt. , but what everyone needs to pay attention to is that when copying, remember to write in clear and neat fonts to avoid illegible handwriting that may lead to incorrect input of the private key. At the same time, you also need to pay attention to the place where you save it. You can hide it in a private place at home (if possible, you can store it in a bank safe).

There are the above 4 methods for backing up the private key of a blockchain wallet. Of course, if you have a better backup method, you can also share it. You don’t have to use the above backup methods step by step. Finally, a backup suggestion: you can combine the above 2 to 4 methods to back up the private key to avoid forgetting it.

Notes:

(1) Armory client: Armory is a fully functional Bitcoin client that provides many innovative features that other client software does not have! Manage multiple wallets (sureQualitative and viewing only), print paper backup of permanent work, import or delete private keys, etc.

(2) Cold storage: the cold storage of Bitcoin wallet. It refers to a method of saving the wallet offline.

㈥ Development of digital wallet based on blockchain technology

What is an encrypted digital currency wallet? When we hear wallet, we all think of carrying a wallet with us to work or traveling every day, and attaching it to the bank with an identity document. Card. It can be said that everyone has a wallet, and wallets used to hold banknotes and banknotes can be divided according to functions, such as multi-functionality, which can hold paper, cards, and coins; lightweight, as simple as a clip; anti-theft wallet Type, with password lock... Cryptocurrency wallets can also be divided into multiple types according to the functions and features provided by the software.

The blockchain digital wallet APP is actually similar in nature to Alipay and Yu'e Bao. I think everyone is familiar with Alipay. For blockchain wallets, they are used to store digital currency, just like how online banks store money. The wallet address corresponds to the same address just like the bank card number.

Any blockchain product will have a complete node. This software defines all the rules of the blockchain, including consensus mechanism, transaction format, block format, etc. The complete node also includes a wallet function, which can be used to deposit and issue coins. The complete node will download all historical transaction data. For chains such as BTC, ETH, and BCH, the amount of data is very large, already hundreds of gigabytes. These transaction data save the balances of all accounts on the entire network, which is equivalent to the bank saving the accounts of all users.

What are the functional advantages of blockchain wallet APP development?

1. High-quality service: The existence of blockchain wallet can greatly improve the quality of service. Customer needs can be met promptly and quickly, and technical personnel are always on call. , to help users solve various needs and problems.

2. Convenient and fast interface docking: For blockchain wallets, docking can be achieved very easily with various third-party payment transaction platforms.

3. The system has very flexible scalability: the blockchain wallet system uses blockchain technology to expand application functions on actual applications, and at the same time can be integrated Other related application products.

4. The configuration function is very powerful: the blockchain wallet system can configure various functions according to the user's choice, such as mode switching, etc., which can be operated freely anytime and anywhere. .

Blockchain public chain development, blockchain browser development, blockchain white paperWriting, blockchain decentralized trading system construction, blockchain wallet + mining system, DeFi model development, enterprise chain reform + traceability system, blockchain e-commerce/mall pass shopping system and other blockchain games and other customized development services. Choose Urban Micro Life blockchain development to quickly move your company into the blockchain+ era. If you have any questions, please leave a message in the comment area or send me a private message!

㈦ What is a blockchain wallet?

A blockchain wallet is a way to store various currencies in the blockchain (Bitcoin, Ethereum, etc.) Software
Keys and addresses are bank card numbers and passwords in the blockchain world
The essence of a wallet is to save keys, which is to save bank cards and passwords
Why do you need a wallet to save passwords? Unlike bank card passwords, the password of blockchain coins is a string of 256-digit binary numbers without any meaning.
Ethereum wallets have several terms that must be understood deeply, otherwise it may cause the loss of blockchain assets. These terms are address, password, private key, mnemonic phrase, and keystore. Taking a bank account as an analogy, the corresponding contents of these five words are as follows:
Address=bank card number
Password=bank card password
Private key=bank card number+bank card password
Mnemonic phrase = bank card number + bank card password
Keystore + password = bank card number + bank card password
Keystore ≠ bank card number
What will be the consequences if you forget your wallet information? There are several situations:
(1) If the address is forgotten, you can use the private key, mnemonic phrase, keystore+password, and import it into the wallet to retrieve it.
(2) If you forget your password, you can use your private key, mnemonic phrase, and import it into your wallet to reset your password.
(3) If the password is forgotten and there is no backup of the private key and mnemonic phrase, the password cannot be reset and the token cannot be transferred, which is equivalent to losing control of the wallet.
(4) If the password is forgotten, the keystore will lose its function.
(5) If the private key is forgotten, as long as your wallet has not been deleted and the password has not been forgotten, you can export the private key.
You can use a mnemonic phrase.
(7) If you forget the mnemonic phrase, you can import it into the wallet and back up the mnemonic phrase again through the private key, keystore + password.
(8) Forgot the keystore. As long as your wallet has not been deleted and the password has not been forgotten, you can back up the keystore again.
Mnemonic phrase,
As can be seen from the above, as long as there is information in "private key, mnemonic phrase, Keystore + password", the wallet is there. Therefore, it is most important to back up your "private key, mnemonic phrase, Keystore + password".
Lianqiao Education Online’s academic master’s degree in innovative blockchain technologyThe technology workstation is the only approved "blockchain technology professional" pilot workstation of the "Smart Learning Workshop 2020-Master's Degree Innovation Workstation" launched by the School Planning, Construction and Development Center of the Ministry of Education of China. The professional base is based on providing students with diversified growth paths, promoting the reform of the training model integrating professional degree research, production, and research, and building an applied and compound talent training system.