dapps smart contract
                     Smart contract Dapp system 
development
Blockchainx
Dapps smart contract
● A smart contract is a special protocol designed to provide, verify and 
enforce contracts.
● Specifically, smart contracts are a big part of why blockchains are called 
“decentralized,” allowing us to perform traceable, irreversible, and secure 
transactions without the need for a third party.
● The smart contract contract contains all the information about the 
transaction, and the resulting action is only executed if the requirements 
are met.
● The difference between Bridge smart contracts and traditional paper 
contracts is that smart contracts are generated by computers. Therefore, 
the code itself explains the relevant obligations of the parties involved.
Conditions that DAPP applications need to meet
1. The application must be completely open source and autonomous, and no entity 
controls more than 51% of the application's tokens. The application must be able to be 
upgraded according to user feedback and technical requirements, and the application 
upgrade must be carried out only after the majority of users reach a consensus
   2. The data of the application must be encrypted and stored on the public blockchain;
   3. The application must have a Token mechanism, and miners or application maintenance 
nodes need to be rewarded with tokens; DApps development company
   4. The generation of application tokens must be based on a standard encryption algorithm, 
and valuable nodes can obtain application token rewards according to this algorithm.
Differences between DAPP and APP
The difference between the two is that the data interaction of the DApp is 
completed by the smart contract (SmartContract) deployed on the blockchain, 
which has the attribute of decentralization; the data interaction of the APP is 
completed by the centralized or distributed server.
To put it simply, DAPP is to the public chain, that is, it is equivalent to that of 
APP to iOS. The biggest difference is that the App is centralized, and the DApp 
is decentralized/smart contract. Build decentralized apps
   Types of DAPPs:
The DAPP applications on the market today are mainly divided into two 
categories. The first category is blockchain games.
The most representative one is the Ethereum cat CyptoKitties based on the 
Ethereum development platform in 2017.
Users can continuously obtain various rewards such as GXS coins by "digging treasure".
Advantages of DAPP applications:
 Payment processing: automatic execution of smart contracts, decentralized 
transactions, users can directly use cryptocurrencies for peer-to-peer transactions;
User Credentials: Using a public and private key system, users can easily handle and 
bind user sessions and metadata with varying degrees of anonymity, thereby eliminating 
lengthy registration processes;
Information security: user information is stored securely, data is difficult to be 
tampered with, and information is guaranteed to be authentic and reliable; all data 
related to information privacy will not be leaked, Dapps developer and all data 
contracts running on distributed networks will not be tampered with;
Trust and Auditability: Open source DAPP code is accessible and understandable to 
knowledgeable users.
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