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Articles tagged with #security
Web3, heralded as the next generation of the internet, aims to revolutionize how we interact online by emphasizing decentralization, user control, and enhanced privacy. However, for Web3 to achieve mass adoption, security must be paramount. The decen...
Understanding the layers in blockchain technology can help grasp how different blockchain solutions are structured and how they interact. Here’s a breakdown of Layer 1, Layer 2, and Layer 3 blockchain technologies: Layer 1: Base Layer or Main Blockch...
smart contracts An overview and walkthrough of how phishing and social engineering attacks can be conducted using smart contracts, along with examples to illustrate the concepts. Overview Phishing and social engineering are types of cyberattacks that...
// SPDX-License-Identifier: MIT pragma solidity ^0.8.13; contract SimpleStorage { string private storedValue; event ValueChanged(string newValue); // Function to set the value function setValue(string calldata newValue) external { ...
1. Reentrancy Attacks Description Reentrancy occurs when a contract calls an external contract which then calls back into the original contract before the initial execution is complete. This can lead to unexpected behavior and allow attackers to repe...
1. Understand Common Vulnerabilities Reentrancy Attacks Description: An attacker repeatedly calls a contract before the previous execution is finished, often exploiting external calls. Mitigation: Use the Checks-Effects-Interactions pattern. Always...