区块链合约账户怎么开通,区块链合约账户怎么开户
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Can I apply for a blockchain account on my mobile phone?
You can apply. Generally, as long as you log in to the blockchain platform, there will be a registration-related entrance.
Explained from an academic perspective, blockchain is a new application model of computer technologies such as distributed data storage, point-to-point transmission, consensus mechanisms, and encryption algorithms. Blockchain is essentially a decentralized database.
For example, if you are a woman, every time your boyfriend says something disgusting to you or promises to buy you something, you immediately record it and send it to all your best friends, classmates, Colleagues, as well as various groups and circles of friends, make it impossible for him to deny it anymore. This is called blockchain.
The core advantage of blockchain technology is decentralization. It can achieve decentralized credit in a distributed system where nodes do not need to trust each other by using data encryption, timestamps, distributed consensus and economic incentives. Point-to-point transactions, coordination and collaboration, thus providing solutions to the problems of high cost, low efficiency and insecure data storage common in centralized institutions.
The application fields of blockchain include digital currency, certificates, finance, anti-counterfeiting and traceability, privacy protection, supply chain, entertainment, etc. With the popularity of blockchain and Bitcoin, many related top domain names have been registered. , which has had a relatively large impact on the domain name industry.
『二』 Hot! Create and play with your own blockchain in 5 minutes
Blockchain is developing so fast this year! From an unfamiliar concept at the beginning, it has now taken off in various industries. A single spark has the potential to start a prairie fire. I really hope I can have my own blockchain to practice with! But how can one person and one computer set up a blockchain environment? The blockchain is so popular that it is not easy to say that I love you!
Don’t Worry! The editor has been addicted to blockchain and smart contracts and can’t extricate himself! Now I will take you step by step to start from scratch and create your own blockchain in 5 minutes! ~
The SuperVessel platform developed by IBM China Research Institute provides a blockchain development and testing environment for blockchain enthusiasts and developers. Through this platform, users can create multi-node blockchains based on Hyperledger Fabric for free and super quickly, and play with smart contracts on their own chains.
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0.
Preparation
All you need is your local browser!
1. Register an account
Access the public beta address of SuperVessel blockchain service: 8800/bc.
Click the Log in button in the upper right corner, click Register in the pop-up window, fill in your email and password and submit. At this time, it is recommended to check the activation email in your mailbox and activate your account (Editor’s tip: Lazy activationIt doesn’t matter, it’s just that some advanced services must be activated before they can be used).
2.
Quickly create your own blockchain
After registration is completed, return to the homepage and click on the huge GIVE ME A BLOCKCHAIN (Give me a blockchain!) button. Select the Consensus Plugin (consensus plug-in) and Size (number of blockchain network nodes) you want in the pop-up box.
Editor's note: Currently there are two consensus plug-ins officially provided by Hyperledger Fabric: noops and pbft.
After clicking Submit, you will get your own blockchain in a few seconds and automatically enter the monitoring panel. That’s right, getting your own blockchain is that simple!
After entering the monitoring panel, you can see that the left side is the smart contract management panel, including the management and deployment of smart contracts; the right side is the network panel, which displays the applied blockchain network status, topology, and connections between nodes. Latency information, etc. are clear at a glance; click the telescope icon in the upper right corner to monitor the log information of each node in real time. The bottom is the blockchain panel, which shows the overall situation of the current blockchain. In the initial state, there is only one block.
3. Deploy and use smart contracts
Next, the editor will teach you how to deploy and use smart contracts on your own blockchain.
Under the Smart Contracts tab of the smart contract management panel, 2 smart contracts are listed as examples, namely map and chaincode_example02. The map contract can store key-value pairs, and the chaincode_example02 contract can simulate transfers and queries between two people.
Editor's note: The codes for these two sample contracts can be found in the Hyperledger Fabric source code.
Take the deployment and use of the chaincode_example02 contract as an example:
Deploy the contract
Click the Deploy button corresponding to the chaincode_example02 contract, and fill in the initialization value of the contract, including the contract name, initial function, and initial parameters. The initial function of the contract is init, and the initial parameters need to be filled in according to the format, such as ["a", "100", "b", "200"], which means registering two people a and b, giving them 100 units and 200 units respectively.
Click the Deploy button and the contract will be deployed in your blockchain. The process will take about 20 to 40 seconds. When a new block appears on the blockchain panel, it usually means that the contract has been deployed.
Call the contract
After the deployment is completed, view the deployed contract instance under the My Deployment tab of the smart contract management panel.
Click the Invoke button below Action to call the smart contract, andFill in the called method name and corresponding parameters (the method names and parameters of different contracts have different meanings, which are related to the content of the contract). For this contract, call the invoke method name and fill in the parameters ["a", "b", "50"], which means a transfers 50 units to b.
After clicking Submit to complete the call, you can view the blockchain situation and a new block will be generated.
Query Contract
After the call is completed, you can query the contract execution results. Still under the My Deployment tab, click the Query button under Action to query the smart contract, and fill in the query method name and corresponding parameters. If you select the query method name and fill in the parameter ["a"], it means querying the current unit of a.
After clicking Submit, you can see that the current unit of a is 50. You can try query b again!
OK, then you can continue to operate the contract, observe the blockchain situation, or deploy a new smart contract, such as map, on the blockchain. For ease of use, the method names and parameter formats for deploying, calling, and querying contracts are all filled in by default. You only need to select a method name and change the parameters as you like! See how long you can play with the chain~
4. Upload and test your own private smart contract
In addition to the two public smart contracts currently provided, you can also upload and test your own private contract! Private contracts can only be seen by you.
Click Import private smart contract under the Smart Contracts tab.
After filling in the contract name and description, and uploading the contract code file, click Import to complete the upload.
Then the contract I uploaded will appear in the Smart Contracts list and can be deployed, called and queried as before.
『三』How to register and open a blockchain account
Blockchain is a hot term at the moment. You can still make money by working in this field. Now many giants are competing for it. The layout is in this field. If you want to have your own place in this field, you should invest a little more. If you invest in this type of industry into a company, you can still gain a foothold quickly. Let’s give you some popular science. How to register a blockchain company? The business scope of a blockchain company is 1. Technology development technology, technology transfer, technical consulting, business consulting, corporate management, marketing planning, real estate brokerage and corporate marketing planning in the fields of network information and computer network technology, and Conference services and exhibition display services, etc. 2. Computer network technology, technical development and consulting within the field of computer software and hardware, etc., computer system integration and computer data processing, etc., using self-media to publish various types of advertisements, use of auxiliary equipment for computer software and hardware, etc., 3. Blockchain technology development and application, development, application and technology promotion of big data R&D technology, development of electronic currency and game currency. 4. Industrial investment in the health field, etc. 5. Exchange activities in the cultural field, etc. Blockchain company registration process 1. Approval of names and company names. Generally, 3-5 company names are prepared. If there are duplicate names, they must be changed in time. Prepare a few more names to make the name verification faster. 2. The process of signing the license and the business license is also very fast. The materials need to be prepared in advance. The materials needed are: legal person, shareholder, supervisor identity information, determine the shareholder's shareholding ratio, and register. Amount of funds, business scope. After preparing these materials, submit the application materials to the Industrial and Commercial Bureau, and provide the ID card of the financial person in charge. 3. Apply for a business license, submit the signed materials to the Industrial and Commercial Bureau for review, and issue a business license upon approval. 4. Open the company’s basic bank account. To open a public account, you need to have the original and duplicate of your business license, official seal, financial seal, legal person seal, and original legal person ID card. You can get the bank account opening license in about two weeks. 5. Determine tax types and prepare tax verification materials, business license, official seal, bank account opening permit, etc. 6. To purchase an invoice, the tax clerk will bring the original ID card and tax card, as well as the official seal and invoice stamp, and then go to the tax hall to collect it. The scope of business that a blockchain company can carry out after its establishment is still very wide, and the effect of investment and financial management in this block is also very good, so now many forward-looking groups are considering using blockchain to realize their own wealth profits. , in fact, if you want to develop your wealth better, you should use the company model to invest. Blockchain company registration is basically the same as other company registration models, with only a few differences, but you need to prepare materials The process is the same, you can refer to the registration process of other companies.『四』What is digital currency blockchain and how do individuals open an account
Digital currency blockchain, are you talking about Bitcoin?
An important application of blockchain + currency is Bitcoin. At present, the attention is very high and the price is also very high
If you want to enter Bitcoin, you can search on the Internet for how to buy Bitcoin. Entered
『五』What is blockchain and how to make money with blockchain
Blockchain is a term in the field of information technology. In essence, it is a shared database, and the data or information stored in it has the characteristics of "unforgeable", "full traces left", "traceable", "open and transparent" and "collectively maintained". Based on these characteristics, blockchain technology has laid a solid foundation of "trust" and created a reliable "cooperation" mechanism, which has broad application prospects.
The ways to make money in the blockchain are as follows:
1. Coin speculation. Coin speculation is like stock speculation. Coin speculation is the lowest threshold for making money in the blockchain;
2. Vendors, district Blockchain is a global market. Like small traders, you can move from a low-price platform to a high-price platform to sell and earn the price difference;
3.To earn commissions through promotion, the blockchain method is to first register an exchange account, generate your own invitation link, and then promote it. If someone registers the exchange through your link and generates transactions, you can get commissions;
4 , Mining, "mining" in Bitcoin is the process of accounting;
5. Technical support, provide blockchain technical support to some teams and enterprises;
6. Open a trading website, charge Handling fees;
7. Develop wallets. Wallets are the infrastructure of the blockchain, just like the "Alipay" or "WeChat Pay" of the blockchain;
8. Make blockchain projects or infrastructure equipment supplier.
Warm reminder: The above explanation is for reference only and does not make any suggestions. There are risks in entering the market, so investment needs to be cautious. Before making any investment, you should ensure that you fully understand the investment nature of the product and the risks involved. After understanding and carefully evaluating the product, you can make your own judgment on whether to participate in the transaction.
Response time: 2020-12-02. For the latest business changes, please refer to the official website of Ping An Bank.
[I know about Ping An Bank] Want to know more? Come and take a look at "I Know Ping An Bank"~
https://b.pingan.com.cn/paim/iknow/index.html
『Lu』 is building a blockchain Singapore fund Why do you need a legal opinion and how to open an account later
Blockchain project compliance generally chooses to register an overseas structure, and then a local lawyer issues a legal compliance opinion to prove that the project complies with the subject country law. The most common entity in the market is the Singapore Foundation, and this legal opinion was also issued by a local licensed lawyer in Singapore.
Legal opinions are divided into two broad categories:
1. Legal opinions issued by well-known exchanges such as Huobi, OK, and Binance for the project, this is designated A legal compliance opinion letter issued by a well-known lawyer from a Singapore law firm.
2. Ordinary legal opinions, issued by ordinary licensed law firms in Singapore for these mainstream exchanges.
Documents required to issue a legal compliance opinion:
1. English version of the project white paper (word document)
2 .Director Information
3. Subject Singapore Foundation Information
Registration Certificate
Articles of Association
Registration Paper
Singapore has friendly policies towards blockchain projects and has complete follow-up legal services. It can issue this legal compliance opinion letter. It cannot be issued elsewhere. The role of the Singapore legal opinion is relatively large. After all, the processing cost is much cheaper than the license fee, so it is very attractive to domestic project parties!
『撒』Is Ethereum a lie? How to do it?
It is not a lie. You must be led by knowledgeable people to enter the industry, otherwiseIf someone you are not familiar with leads you, you will enter the capital market. There are two directions for doing Ethereum.
First: Download the exchange software and trade on it. It is the same as stock trading. You can buy long or long. Short selling can also be quantified, you can open contracts, or you can open leverage. In short, it is similar to stock operations. This way you can make money quickly and lose money quickly.
The second type is to go to the manufacturer to buy a graphics card or mining machine, then connect it to the Internet and power it up, and then you can mine on your computer. You will get profits every day and can withdraw cash. This is very easy and risk-free. There is only a payback period. This industry belongs to The bigger the investment, the faster the return will be and the more you will earn.
Hope it can help you
『8』 Blockchain financial application innovation platform, chain application, how to operate bonds
Blockchain financial application blockchain bond operation Because of its unique advantages, pre-preparation blockchain + bond blockchain has the potential to replace traditional securities issuance methods and trading models, establish a new blockchain securities market network, and complete certification, confirmation, issuance, trading, traceability, etc. , also helps to eliminate fraud, breach of contract
and other behaviors, and achieve real-time penetration supervision. The biggest difference between traditional bonds and blockchain bonds is that the traditional model is based on centralized peer-to-peer bonds. The center may be an intermediary or electronic account, while blockchain bonds are decentralized or decentralized. Intermediary peer-to-peer circulation of bonds can help improve efficiency and solve problems such as information asymmetry. Blockchain + IPO makes IPO-related information transparent and public through the blockchain, allowing investors to follow traces and increasing their fraud costs. Building a consortium chain By forming a consortium chain and deploying bond issuance on the blockchain to achieve point-to-point issuance, the role of securities underwriting institutions can be weakened and underwriting fees can be reduced. Smart bonds (create smart contracts) When a certain transaction condition is met, both parties to the bond transaction complete the transaction according to the pre-agreed securities transaction price and transaction quantity. Such a contract is turned into code and written into the blockchain. Once the conditions are triggered, the blockchain system will automatically start the payment code of the smart contract, and the securities and other valuable assets involved will be automatically traded according to the contract and processed in real time. Complete clearing and delivery. It effectively simplifies the issuer's default behavior. Smart securities avoid the manual process of traditional financial transactions and save time and costs. Its design allows both parties to the securities transaction to no longer rely on third-party credit intermediaries. It also helps to speed up transactions while reducing costs. Human error and operational risk.
『九』 A beginner’s guide to investing in digital currency (blockchain), just read this article
Compared with other investment methods, the entry threshold for blockchain and digital currency investment is higher. , many friends want to invest in digital currencies but don’t know where to start or what to learn. Although 51Coins has updated a lot of relevant knowledge in the "Beginners Playing Coin" section, it is not systematic enough
This time we will systematically organize the information related to blockchain and digital currency investment. In summary, let everyone understand and invest in digital currencies faster and more conveniently
1. Understand blockchain and digital currency
No matter what you invest in, you must understand it, and the same is true for blockchain and digital currency. There are many introductions about blockchain on the Internet, some are too profound, and some are not comprehensive enough. I personally think the video "100 Questions on Blockchain" produced by Huobi is better
100 videos , all of which are blockchain-related knowledge, including: the birth of Bitcoin, operating principles, blockchain FAQs, mining, wallet introduction, etc., and are all in the form of animated videos, making it easier for everyone to understand. Although the explanation is not detailed enough, it can give you a preliminary understanding of digital currency and blockchain
2. Choose a trading platform
After understanding digital currency, you can try to use the trading platform Purchase a small amount of digital currency and experience the process. The purchase and sale of digital currencies must be completed through a trading platform, which is equivalent to a stock exchange in the stock market. It is recommended to choose a large trading platform for the trading platform, which has a comprehensive range of currencies, convenient transactions, and guaranteed fund security
The following three platforms are recommended: Binance, Huobi, and OKEX (ranked in no particular order)
< p> 3. Choose a walletIf digital currency is compared to cash, a wallet is equivalent to a bank card, used to store digital currency. There are many types of wallets, and the most commonly used ones now are mobile APP wallets (light wallets). Wallets are also divided into types. Different similar digital currencies cannot be transferred to the same wallet. For example, if imtoken is an Ethereum wallet, it can only store Ethereum and tokens issued based on Ethereum, but not other currencies
< p> There are also wallets that claim to support all digital currencies, but most of these wallets are not yet complete.Of course, after we buy digital currency, we don’t need to deposit it in the wallet, but directly put it in the exchange account, which can save the handling fee and not be so troublesome. Large exchanges such as Huobi and OKEX are relatively It is safe. I personally basically put digital currencies on exchanges
4. Determine the investment plan
Before investing in digital currencies, we must first determine our investment plan and plan to invest. How much money, how much loss you can accept, what is the expected return, and how long the investment time frame is, determine it before investing. Digital currency is a high-risk, high-yield investment product. In the novice stage, you can invest only your spare money that does not affect your life. There is no limit on the amount of investment, and the minimum investment is a few hundred yuan.
Wait until you truly understand the market before making the appropriate investment. Increase the amount of investment, but also remember to control the amount of investment within your own tolerance
5. Select the investment currency
After selecting the trading platform and confirming the investment plan, you can purchase Digital currency, so which one should we buy among so many digital currencies? When buying coins for the first time, it is recommended to choose mainstream coins. You can choose a few of the top 20 coins in the market or recognized value coins.Coins that are pleasing to the eye
Find out what these coins are for, whether they have any actual value, what news has recently affected the currency price trend, etc.
After understanding these issues, Go buy, be sure to pay attention to the purchase price before buying
6. Common tools and websites
1. Non-small account: you can view relevant information on various currencies and exchanges, including currency prices , historical price, rise and fall, circulation, ranking and other information
2. AICoin: The function is similar to that of non-small accounts. The K-line of aicoin is very convenient and easy to use. It is the first choice for viewing K-line charts
3. Coin World: Real-time updates of various blockchain and digital currency-related news and information
4. Golden Finance: A relatively comprehensive blockchain media platform, including news, news, quotes, Celebrity columns, etc.
7. Learn more relevant knowledge
Even if you have initially learned digital currency investment with the above 6 points as a basis, but if you want to really make money by investing in digital currency, we still need to Learn more. The two most important points are to deepen the understanding of the blockchain and technical analysis (K line)
These two are too broad and cannot be learned overnight, so I will not introduce them, K You can find a lot of online knowledge online. As we invest longer, understand more currencies, and come into contact with more related matters, we will gradually deepen our understanding of blockchain.
