Community Picks·2yCreate a Blockchain App Using React
Learn to build a decentralized application (dApp) using React, Vite, and Tailwind CSS that allows users to send Ethereum transactions, view their transaction history, and connect their MetaMask wallet. The tutorial covers the entire process from setting up the development environment and writing smart contracts using Solidity to deploying and testing the smart contract on the Ethereum Sepolia test network.
Javarevisited·2y5 Best 101 Blockchains Courses for Blockchain Developers in 2025
Looking to become a Blockchain Developer in 2025? Here are the top blockchain courses from 101 Blockchains that offer comprehensive training. These courses cover essential blockchain skills like Ethereum, Solidity, and Web3, and include certifications such as the Certified Enterprise Blockchain Professional (CEBP). Whether you're interested in NFT development, decentralized finance (DeFi), or enterprise blockchain applications, 101 Blockchains provides self-paced, modular courses designed for both beginners and seasoned professionals. Enhance your blockchain expertise and explore various career paths with these training programs.
Blockchain·2yGas Fees In Ethereum: How Transactions Are Powered
Gas is a unit that measures the computational effort needed for operations on the Ethereum network, such as transactions and smart contract execution. Users pay gas fees in Ether (ETH) to incentivize miners or validators. The gas limit is the maximum amount of gas a user will spend, while the gas price is the amount of ETH paid per unit of gas. High gas fees can lead to delays and higher costs during congestion, while Ethereum 2.0's shift to Proof of Stake and sharding aims to make transactions faster and cheaper.
Coins Bench·2ySolidity vs Rust vs Go: The Top Programming Language for Blockchain Technology
Solidity, Rust, and Go are prominent programming languages in blockchain development, each offering unique strengths. Solidity is tailored for Ethereum smart contracts and dApps, Rust excels in performance and security especially in high-throughput systems like Solana and Polkadot, while Go is ideal for scalable blockchain infrastructures and cross-chain communication. The choice of language depends on project requirements, security needs, team expertise, and platform compatibility.
Coins Bench·2yA Basic Guide to Smart Contract Auditing for Beginners
This guide outlines a systematic approach to auditing Ethereum smart contracts, covering essential steps such as understanding protocol documentation, identifying core contracts, mapping dependencies, focusing on public and external functions, and analyzing high-risk functions. Emphasis is also placed on the importance of testing, securing access controls, and considering upgradability and governance. While audits are crucial, they are not foolproof, and a multi-layered security strategy that includes continuous monitoring and bug bounty programs is recommended.