Tag: Intelligent contract

The back-end

Manage multiple Solidity smart contracts for the Ethereum blockchain in factory mode

January 22, 2024

by Michele Brock

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We wrote a small computing contract called Hello World. What if we could create a contract that allowed users to create their own counters? Let's...

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The back-end

[Xu Xiaodi] 49 lines of code can issue coins? And EOS even gave you examples

January 22, 2024

by William Gray

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Daniel Larimer introduces the new EOS smart contract architecture on his blog (the EOS team is just too fast to keep up). He gave the...

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Teach you how to be a blockchain engineer!

January 22, 2024

by 徐家瑜

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I often tell people that blockchain is going to be better, but they don't believe me? Because blockchain has too many unsolvable problems. The AI...

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The back-end

An overview of the Python Ethereum library web3.py

January 22, 2024

by Ricky Kerr-Fletcher

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The common entry point for interacting with the Web3.py library is the Web3 object. Web3 objects provide apis for Python-developed applications to interact with the...

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The back-end

【 Liu Jieliang 】 Using RPC interface to create EOS account – practice

January 22, 2024

by Chelsea Zimmerman

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Recently, I was studying THE RPC API of EOS. However, due to the lack of detailed official API documents, the operation of creating a New...

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What industries can benefit from smart contract services? Here are some smart contract use cases:

January 21, 2024

by Aarav Rana

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There are very few innovations in the blockchain world that have revolutionized any industry. Smart contract applications based on blockchain technology are one of them....

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Large exposure of NEO’s key technical community members

January 21, 2024

by Lance Stevenson

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October 17 marks the second anniversary of NEO's mainnet launch. As a community project, it is inseparable from the contributions of all members. I'm often...

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Chain practice | the block chain + digital rights: the game of “rights”

January 21, 2024

by Nigel Knox

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Digital copyright has always been the hot property of block chain. It has natural advantages: native online, there is no online offline closed loop. The...

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How do programmers get into blockchain decentralized application development

January 21, 2024

by Craig Jensen-Middleton

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Some time ago, an Ethereum game application: Fomo3D was extremely popular, attracting tens of thousands of Ethereum coins into the game in just a few...

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The back-end

Ethereum Smart Contract Development Part 5: String Concatenation – Solidity

January 21, 2024

by 黃思穎

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Last time, we implemented a simple smart contract. The contract returns exactly what the user enters as a string. A question is posed at the...

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[Xu Xiaodi] Five missions of EOS Super Node

January 21, 2024

by Evan Flowers

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In EOS, there are "two forces" that are the most critical elements of the entire system: project parties and witnesses. Many people think EOS is...

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DappSo weekly list DappSo weekly list Dapp is booming, with three dapps attracting a total of 200 million yuan.

January 21, 2024

by 李冠宇

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Decentralized exchanges remain firmly at the top of the list, either IDEX or ForkDelta. The tuyere of capital dish seems to rise again, the top...

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Technology changes life, using three cases to show you how blockchain changes life.

January 21, 2024

by Abigail Ford-Little

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Take a look. Give me a fair and transparent gambling environment. CryptoLotto is a blockchain-based gaming platform. All processes are performed by smart contracts. Spread...

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The back-end

[Xu Xiaodi] In-depth understanding of EOS account permission mapping

January 21, 2024

by Megan Barker

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There are many "actions" and "Active" in this article. Actions are actions that are acceptable to an EOS account, that is, what others can do...

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What will the future look like when the blockchain technology is applied in China?

January 21, 2024

by Craig Jensen-Middleton

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From the second generation of blockchain technology to the third generation of blockchain technology, from public chain, alliance chain and then to private chain, from...

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How to estimate ethereum smart contract gas?

January 21, 2024

by Rebecca Harmon

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How does Ethereum estimate gas? There is a gas used by TXN in the transaction info of Etherscan, and the result is consistent with the...

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The back-end

Php Ethereum development in detail

January 21, 2024

by Claudia Chapman

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This tutorial explains how to use Php to add Ethereum blockchain support to your website. The course covers the core concepts of Ethereum, such as...

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Learning project knowledge can also be cast, this Dapp allows you to pull wool together!

January 21, 2024

by William Forrest

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As a long-term diving hidden in their own public communication group in the hidden observation of masked art, in addition to the daily indifferent face...

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The back-end

Step by step development of Blockchain DApp with EOSIO

January 21, 2024

by 梁家銘

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After listening to Bettina Warburg's talk, I became fascinated with the concept of decentralized economy (dApps). Traditional Web apps are: Front end → Back end...

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Quick question: The ultimate blockchain job interview must-have

January 21, 2024

by Akarsh Ahluwalia

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Today, anyone can create a smart contract on Ethereum's blockchain and issue their own tokens. Until recently, the implementation of a particular currency was entirely...

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Ethereum smart contract replay attack details

January 21, 2024

by Martin Lane

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In the asset management system, there is often the situation of entrusted management, the client gives the asset to the trustee to manage, and the...

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Understand the ERC-20 Token contract

January 21, 2024

by Janet Lord

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Erc-20 was originally intended as an attempt to provide a common standard of features and interfaces for token contracts on Ethereum, and it has proven...

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The back-end

Build and publish Ethereum smart contracts with Visual Studio

January 21, 2024

by Henry Fraser

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Ever since I became familiar with blockchain, Ethereum, and smart contracts, I've been losing sleep. I've been reading, reading and reading, and finally I was...

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Write a simple smart contract

January 21, 2024

by Gerald Watkins

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Geth is the official client software provided by the Ethereum Foundation and written in the Go programming language. Solidity is a contract-oriented language that can...

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The back-end

Solidity language for developing inheritance in ethereum blockchain smart contracts

January 21, 2024

by Gregory Harris

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We have explored a number of topics, and when writing smart contracts we find that we often use the same pattern: for example, smart contracts...

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The development tools

Build your own Dapp based on QtumX

January 21, 2024

by Amira Lad

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Once you have created your own blockchain on QtumX, you can develop and publish smart contracts to provide blockchain-based applications. Since the established blockchain is...

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The front end

Extensible ERC721 and market auction smart contract sharing

January 21, 2024

by 孟雅琪

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Have a problem, on the zhihu. As the largest knowledge-sharing platform on the Chinese Internet, Zhihu, with the vision of "connecting everything with knowledge", is...

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The back-end

How do PHP engineers develop blockchain Ethereum

January 21, 2024

by 袁佳穎

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Ethereum is the first blockchain to implement virtual machines, thus providing a good supporting environment for the operation of Smart contracts. It is also for...

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The back-end

Full analysis of EOS development (IV) : EOS rapid coin issuance, why circle money? Only coin!

January 20, 2024

by Grace Allen

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Issuing coins on EOS is as simple as issuing coins on ETH. For issuing coins on EOS, we mainly use a smart contract called EOSIo....

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Introduction to basic concepts of Ethereum

January 20, 2024

by Kirk Martin

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Before learning how to program ethereum smart contracts, it is important to understand the basic concepts related to Ethereum. Unlike Bitcoin's UTXO model, Ethereum uses...

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