Decentralized File Storage System Using IPFS and Ethereum IntroductionDecentralized file storage ensures security, transparency, and resistance to censorship. By combining IPFS (InterPlanetary File System) for storage and Ethereum for tracking

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IntroductionA decentralized marketplace allows users to buy and sell goods or services without relying on a central authority. By leveraging smart contracts, you can create a trustless and transparent platform.

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Incorrect Use of delegatecall in Smart Contracts: A Common Vulnerability and How to Fix It Smart contracts are the backbone of decentralized applications (dApps), but they are not immune to

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Phantom Functions in Solidity: A Hidden Vulnerability and How to Address It Smart contracts are the backbone of decentralized applications (dApps), but they can harbor subtle vulnerabilities that are easy

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Blockchain-Based Voting System IntroductionBlockchain technology provides transparency, immutability, and security, making it an ideal solution for voting systems. This tutorial will guide you through creating a simple voting system on

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Minting Your First NFT Non-Fungible Tokens (NFTs) have revolutionized the way digital art, collectibles, and even real estate are owned and traded. If you’re new to the Web3 space, minting

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Replay Attacks in Smart Contracts: A Common Issue and How to Prevent Them Smart contracts are the foundation of decentralized applications (dApps), but they are not immune to vulnerabilities. One

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Cross-Chain Bridge for Token Transfers IntroductionCross-chain bridges enable seamless token transfers between different blockchain networks. This tutorial will guide you through creating a basic cross-chain bridge to transfer tokens between

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Basic Smart Contract for Reward Distribution Introduction:In this tutorial, we’ll guide you through creating a basic Ethereum smart contract to distribute rewards to users. This smart contract can be integrated

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Token Vesting Smart Contract IntroductionToken vesting ensures fair distribution by releasing tokens to stakeholders over time. This tutorial demonstrates how to create a token vesting smart contract for a transparent

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Create Your Own Token on Ethereum Creating your own token on the Ethereum blockchain can be for various purposes, like funding a project via an Initial Coin Offering (ICO), creating

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Unchecked External Calls in Smart Contracts: A Common Vulnerability and How to Fix It Smart contracts are the foundation of decentralized applications (dApps), but they are not immune to vulnerabilities.

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Gas Limit Vulnerabilities in Smart Contracts: A Common Issue and How to Mitigate It Smart contracts are the backbone of decentralized applications (dApps), but they are not immune to vulnerabilities.

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Uninitialized Storage Pointers in Solidity: A Hidden Danger and How to Avoid It Smart contracts are powerful tools for building decentralized applications (dApps), but they come with their own set

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Denial of Service (DoS) Attacks in Smart Contracts: A Common Issue and How to Mitigate It Smart contracts are a cornerstone of decentralized applications (dApps), but they are not immune

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Integer Overflow and Underflow in Smart Contracts: A Common Vulnerability and How to Prevent It Smart contracts are the foundation of decentralized applications (dApps), but they are not immune to

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Structure of a Solidity Smart Contract Solidity is the primary language used for writing smart contracts on Ethereum and other compatible blockchains. A Solidity smart contract is essentially a self-executing

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Reentrancy Attack In the world of Web3 and decentralized applications (dApps), smart contracts are the backbone of blockchain functionality. However, they are not immune to vulnerabilities. One of the most

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