Tag

Ethereum

1 views collected around this technical thread.

Python Programming Learning Circle
Python Programming Learning Circle
Jan 21, 2025 · Blockchain

Understanding Private/Public Keys and Addresses in Ethereum Using Python

This article explains the relationship between private keys, public keys, and addresses in Ethereum, describes the signing and verification processes, and provides Python code examples using the eth_account library to generate keys, sign messages, verify signatures, and derive addresses.

BlockchainEthereumPrivateKey
0 likes · 5 min read
Understanding Private/Public Keys and Addresses in Ethereum Using Python
FunTester
FunTester
Nov 17, 2023 · Blockchain

Using Web3j to Send Ethereum JSON‑RPC Requests via WebSocket

This article explains how to construct and send Ethereum JSON‑RPC calls such as net_version through a WebSocket connection using the Web3j Java library, including source code analysis, request construction, and a practical example with console output.

BlockchainEthereumJSON-RPC
0 likes · 5 min read
Using Web3j to Send Ethereum JSON‑RPC Requests via WebSocket
FunTester
FunTester
Aug 14, 2023 · Blockchain

Building and Testing an Ethereum Transfer with Java and Web3j on a Local Ganache Testnet

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.

BlockchainEthereumGanache
0 likes · 7 min read
Building and Testing an Ethereum Transfer with Java and Web3j on a Local Ganache Testnet
AntTech
AntTech
Jul 3, 2023 · Blockchain

Flashbots MEV Bot Attack on Ethereum: Vulnerability Analysis, Exploit Timeline, and Mitigation

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.

BlockchainEthereumFlashbots
0 likes · 13 min read
Flashbots MEV Bot Attack on Ethereum: Vulnerability Analysis, Exploit Timeline, and Mitigation
AntTech
AntTech
Jun 26, 2023 · Blockchain

Detailed Analysis of the Tornado Cash Governance Attack and Smart‑Contract Exploitation

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.

BlockchainSecurityDeFiEthereum
0 likes · 17 min read
Detailed Analysis of the Tornado Cash Governance Attack and Smart‑Contract Exploitation
Tencent Cloud Developer
Tencent Cloud Developer
Nov 9, 2022 · Blockchain

Understanding the Architecture of a Web 3.0 Application (DApp)

Understanding a Web 3.0 DApp’s architecture involves replacing the centralized database and backend of a Web 2.0 stack with Ethereum’s immutable blockchain and smart contracts, while the front‑end communicates via providers, uses off‑chain storage like IPFS, queries through events or The Graph, scales with Layer 2 solutions, and leverages tools such as Hardhat, Truffle, and Remix.

BlockchainDAppEthereum
0 likes · 19 min read
Understanding the Architecture of a Web 3.0 Application (DApp)
High Availability Architecture
High Availability Architecture
Aug 2, 2022 · Blockchain

Comprehensive Introduction to Web3.0 and Step‑by‑Step DApp Development Guide

This article provides a thorough overview of Web3.0, covering its evolution from Web1.0 to Web3.0, core blockchain concepts, NFTs, DAOs, gas fees, and presents a practical, step‑by‑step tutorial for building, testing, and deploying a decentralized application (DApp) using Solidity, Truffle, Ganache, and MetaMask.

BlockchainDAppEthereum
0 likes · 15 min read
Comprehensive Introduction to Web3.0 and Step‑by‑Step DApp Development Guide
Tencent Cloud Developer
Tencent Cloud Developer
Jul 13, 2022 · Blockchain

Web3.0 Development Guide: From Blockchain Basics to DApp Practice

The guide walks readers through Web3’s evolution from Web1.0 to blockchain‑driven Web3.0, explains core concepts such as decentralized ledgers, smart contracts, gas fees and consensus, then details DApp architecture and provides a step‑by‑step tutorial building a pet‑adoption DApp with Solidity, Truffle, MetaMask and a Vue/React frontend.

BlockchainDAppEthereum
0 likes · 15 min read
Web3.0 Development Guide: From Blockchain Basics to DApp Practice
IT Services Circle
IT Services Circle
Apr 28, 2022 · Blockchain

AkuDreams NFT Auction Bug Locks 11,539.5 ETH – Analysis of Smart Contract Flaws

A bug in the AkuDreams 3D‑animation NFT auction smart contract locked 11,539.5 ETH (worth about $34 million) and prevented refunds, prompting the developer foobar and the project team to investigate, disclose two contract errors, and eventually offer a partial 0.5 ETH refund to affected bidders.

BlockchainEthereumNFT
0 likes · 4 min read
AkuDreams NFT Auction Bug Locks 11,539.5 ETH – Analysis of Smart Contract Flaws
Rare Earth Juejin Tech Community
Rare Earth Juejin Tech Community
Mar 13, 2022 · Blockchain

A Complete Web3.0 Development Roadmap to Become a Blockchain Developer

This guide outlines a step‑by‑step Web3.0 learning path covering fundamental computer science, frontend and backend web skills, decentralized application (DApp) concepts, smart‑contract development, and essential tools, enabling newcomers to become competent blockchain developers.

BlockchainDAppEthereum
0 likes · 7 min read
A Complete Web3.0 Development Roadmap to Become a Blockchain Developer
Architects Research Society
Architects Research Society
Jan 30, 2022 · Blockchain

Understanding Web3: Origins, Architecture, and Development Challenges

This article provides an overview of Web3, tracing its origins, contrasting it with Web1.0 and Web2.0, describing its decentralized architecture and development stack, and offering guidance for newcomers on tools, smart‑contract languages, and practical resources.

BlockchainDAppDecentralized Web
0 likes · 10 min read
Understanding Web3: Origins, Architecture, and Development Challenges
ByteFE
ByteFE
Jan 24, 2022 · Blockchain

Understanding NFTs: Concepts, Blockchain Foundations, and ERC‑721 Smart Contracts

This article explains what NFTs are, how they differ from fungible assets, the underlying blockchain technology including Bitcoin and Ethereum, the mechanics of mining and consensus, and demonstrates the ERC‑721 smart‑contract interface that enables non‑fungible tokens.

BlockchainCryptocurrencyERC-721
0 likes · 19 min read
Understanding NFTs: Concepts, Blockchain Foundations, and ERC‑721 Smart Contracts
ByteDance ADFE Team
ByteDance ADFE Team
Dec 17, 2021 · Blockchain

Understanding NFTs: Concepts, Blockchain Foundations, and ERC‑721 Smart Contracts

This article explains what NFTs are, how non‑fungible tokens differ from fungible assets, the underlying blockchain technology including Bitcoin and Ethereum, and demonstrates the ERC‑721 smart‑contract interface that enables unique digital ownership.

BlockchainCryptocurrencyERC-721
0 likes · 19 min read
Understanding NFTs: Concepts, Blockchain Foundations, and ERC‑721 Smart Contracts
High Availability Architecture
High Availability Architecture
Jan 10, 2021 · Blockchain

Becoming a Blockchain Developer – Milestone 4: Learning Smart Contract Development

This article outlines the essential concepts, properties, and development tools for smart contracts, explains deterministic, terminable, and isolated requirements, compares Ethereum's virtual machine with Fabric's Docker approach, and provides guidance on learning Solidity and advancing toward a blockchain developer career.

BlockchainEthereumdecentralized finance
0 likes · 8 min read
Becoming a Blockchain Developer – Milestone 4: Learning Smart Contract Development
360 Smart Cloud
360 Smart Cloud
Nov 21, 2019 · Blockchain

Ethereum RPC Attack Methods and Defense Recommendations

This article outlines multiple Ethereum RPC attack techniques—including unlock‑account hijacking, miner‑address manipulation, brute‑force, offline, and zero‑fee attacks—provides detailed attack flow diagrams, code‑path references, recent honeypot statistics, and practical defense measures to secure RPC endpoints.

AttackBlockchainDefense
0 likes · 8 min read
Ethereum RPC Attack Methods and Defense Recommendations
360 Tech Engineering
360 Tech Engineering
Jan 23, 2019 · Blockchain

An Introduction to Blockchain, Bitcoin, Ethereum, and ICOs

This article provides a comprehensive overview of blockchain technology, explaining its structure, cryptographic foundations, and how Bitcoin and Ethereum operate, including mining, transaction processes, smart contracts, and ICOs, while also highlighting regulatory concerns and common misconceptions.

BitcoinBlockchainCryptocurrency
0 likes · 9 min read
An Introduction to Blockchain, Bitcoin, Ethereum, and ICOs
360 Quality & Efficiency
360 Quality & Efficiency
Jan 16, 2019 · Blockchain

An Introduction to Blockchain, Bitcoin, Ethereum, and ICO

This article explains the fundamentals of blockchain technology, the structure of blocks, Bitcoin mining and transaction processes, the evolution to Ethereum with smart contracts, and the concept and regulatory concerns of ICOs, providing a comprehensive overview for newcomers to the crypto space.

BitcoinBlockchainCryptocurrency
0 likes · 10 min read
An Introduction to Blockchain, Bitcoin, Ethereum, and ICO
High Availability Architecture
High Availability Architecture
Jul 5, 2018 · Blockchain

Understanding Ethereum Architecture and Meitu's Open‑Source DPoS Implementation

This article explains Ethereum's core modules, transaction flow, account and UTXO models, state storage using Merkle‑Patricia tries, synchronization modes, and details Meitu's delegated proof‑of‑stake (DPoS) design, including its additional global state trees and practical deployment considerations.

BlockchainConsensusDPoS
0 likes · 14 min read
Understanding Ethereum Architecture and Meitu's Open‑Source DPoS Implementation
Architects Research Society
Architects Research Society
Jun 29, 2018 · Blockchain

Comparing IBM and Microsoft Blockchain-as-a-Service Platforms: Governance, Protocol Choices, and Market Implications

An analytical comparison of IBM’s Hyperledger‑based Blockchain‑as‑a‑Service and Microsoft’s Azure‑based, Ethereum‑focused BaaS reveals key differences in governance, protocol preference, ecosystem risk, and market strategy, illustrating how the two tech giants compete in the emerging enterprise blockchain space.

BaaSBlockchainEthereum
0 likes · 5 min read
Comparing IBM and Microsoft Blockchain-as-a-Service Platforms: Governance, Protocol Choices, and Market Implications