This article explains how to create a basic blockchain framework using Go, covering core concepts, data structures, hash calculation, block addition, chain validation, and three practical case studies ranging from a simple cryptocurrency to supply‑chain and digital‑asset platforms.
This article presents WeBank's exploration of privacy‑computing technologies combined with blockchain to enable secure, compliant data flow across enterprises, detailing the regulatory background, technical architectures, key use‑case scenarios such as anonymous query, privacy intersection, joint prediction and statistics, and real‑world deployments including the 2022 Big Data “Star River” benchmark cases.
DAO (Decentralized Autonomous Organization) is a blockchain‑based, code‑is‑law model that enables anyone with an idea to launch a decentralized company without traditional legal or financial barriers, and the article explains its principles, components, incentives, disaster recovery, and popular tooling.
This article reviews the background and challenges of data security in wireless communications, introduces Trustworthy Blockchain-based Federated Learning (TBFL), details a two‑layer TBFL architecture with edge computing, discusses its features, key technologies, and autonomous‑driving applications, and outlines current limitations and future research directions.
This guide walks through obtaining an Infura API key, using Web3j’s HTTP API to connect to Ethereum’s mainnet, creating and sending requests, handling responses, and generating local wallets with private keys, while highlighting common pitfalls and asynchronous issues for Java developers.
The article reviews the rapid rise of Web3, outlines the severe security challenges and economic losses caused by attacks on cross‑chain bridges, DeFi platforms, and smart contracts, and details Ant Group's Sky Dome Lab research on platform, contract, and client‑side defenses along with future AI‑driven initiatives.
This article walks through setting up a local Ethereum testnet using Ganache, configuring a Java project with Web3j, and implementing code to query the network and perform a signed Ether transfer, providing step-by-step instructions, code snippets, and screenshots for beginners.
This guide walks you through understanding blockchain contracts, setting up a React‑Vite‑Tailwind front‑end, installing ethers and Hardhat, writing and testing a Solidity contract, configuring Hardhat, deploying to Goerli via Alchemy, and integrating the contract with a React application.
This article explores the rise of virtual clothing, its technological foundations, historical milestones, applications such as NFTs, virtual fashion shows, and AR try‑ons, and examines why the trend resonates strongly with younger consumers while highlighting sustainability and future challenges.
This article provides a detailed forensic analysis of a Flashbots MEV bot attack on Ethereum, describing the underlying PBS protocol flaw, the malicious validator’s multi‑stage preparation, the sandwich‑style exploit, the financial impact, and recommended code‑level fixes to prevent private transaction leakage.
This article examines the multi‑stage Tornado Cash governance attack, explaining the proposal mechanism, token‑locking logic, creation of zombie accounts, use of create/create2, malicious self‑destruct functions, delegatecall exploitation, and the resulting token theft, while highlighting key security lessons for blockchain governance.
This article provides a comprehensive technical analysis of the March 2023 Euler Protocol flash‑loan attack, describing the vulnerability in the donateToReserves function, step‑by‑step attack execution, on‑chain data, reproduced exploit code, simulation of attack parameters, and broader security implications for DeFi platforms.
This article explains what Web3 is, its historical context compared with Web 1.0 and Web 2.0, outlines the emerging Web3 technology stack, discusses current challenges and applications, and provides guidance for developers who want to start building decentralized applications.
This article provides a comprehensive overview of Web3.0, tracing its evolution from Web1.0 and Web2.0, explaining blockchain fundamentals, protocol layers, NFT use cases, global and domestic developments, and the opportunities and challenges of the decentralized internet era.
The article explains how Ant Group leverages blockchain‑based distributed identity authentication, detailing its technical foundations, ecosystem participants, and the advantages of privacy‑preserving, cost‑effective, and interoperable digital identity solutions for the emerging digital economy.
This article outlines the critical business areas, core performance metrics, testing approaches, templates, and tools—including Hyperledger Caliper—required to effectively implement and evaluate blockchain reconciliation systems for secure, accurate, and scalable financial operations.
This article examines how a blockchain‑based platform built by ICBC and the Huangshan Rural Property Rights Trading Center modernizes rural land and asset transactions in China, addressing information asymmetry, fund supervision, and digitization challenges while delivering win‑win benefits for farmers, governments, and banks.
This article explains the main characteristics of Web 3.0, including its decentralized architecture, blockchain foundations, semantic web, AI integration, DeFi, ubiquitous access, and 3‑D graphics, highlighting how these innovations differentiate it from earlier web generations and improve user privacy and experience.
This article provides a comprehensive overview of the digital economy, examines current digital technology trends such as AI, XR, quantum computing, and privacy computing, and explores how blockchain integrates with privacy computing to enable secure, decentralized data collaboration and drive the next phase of digital transformation.
Ant Group and Renmin University successfully completed their collaborative "Blockchain Legal Teaching and Curriculum System Reform" project, which earned the 2022 Beijing Higher Education Teaching Achievement Award first prize and is being submitted for a national teaching award, highlighting a multidisciplinary talent‑cultivation model for blockchain and the digital economy.
