Category: Smart Contracts

Blockchain Cryptocurrency Dev Tools Smart Contracts Web3

Testing smart contracts with hardhat

Smart contracts, the self-executing programs on blockchains, play a crucial role in decentralized applications (dApps). However, their immutability amplifies the importance of thorough testing. Bugs in a deployed contract can be costly, leading to unexpected behavior and even potential loss of funds. This is where Hardhat comes into play, offering a robust and developer-friendly environment […]

Ranjithkumar 
Blockchain Cryptocurrency Security Smart Contracts Web3

Denial of Service Attacks in Smart Contracts

Today, let’s delve into the intriguing world of smart contracts and the vulnerabilities they face, specifically focusing on the menace of Denial of Service (DoS) attacks. Understanding Smart Contracts: Smart contracts, often built on blockchain platforms like Ethereum, enable trustless and decentralized execution of agreements. However, the distributed nature of these systems doesn’t make them […]

Ranjithkumar 
Blockchain Cryptography Ethereum Security Smart Contracts

Gas limit and out of gas vulnerability and mitigation

Today, let’s delve into the fascinating world of Ethereum smart contracts and explore the critical concepts of gas limits, the associated vulnerability of running out of gas, and effective strategies for mitigation. Gas in Ethereum: Gas is the computational unit that powers the Ethereum network. Every operation on the Ethereum Virtual Machine (EVM) consumes a […]

Ranjithkumar 
Blockchain Cryptocurrency Security Smart Contracts

Mitigate Front running attack in smart contracts?

Smart contracts, the cornerstone of decentralized applications (DApps), have revolutionized the way we transact on the blockchain. However, with innovation comes the risk of exploitation, and one such threat that has gained prominence is the front-running attack. In this blog post, we’ll explore what front running is, how it impacts smart contracts, and strategies to […]

Ranjithkumar 
Blockchain Cryptocurrency Security Smart Contracts Web3

Integer Overflow and Underflow in Smart Contracts

Today, let’s delve into a crucial aspect of smart contract development – Integer Overflow and Underflow. As a smart contract developer with a focus on designing complex smart contracts, understanding these vulnerabilities is essential for ensuring the security and reliability of your smart contracts. What is Integer Overflow/Underflow? Integer overflow and underflow are common programming […]

Ranjithkumar 
Blockchain Cryptocurrency Smart Contracts Web3

What is Reentrancy Attack in Smart Contracts?

Smart contracts, the backbone of decentralized applications (DApps), have revolutionized the way we transact and interact on the blockchain. However, with great power comes great responsibility, and the world of smart contracts is not exempt from vulnerabilities. Today, let’s delve into the intricate world of blockchain security, specifically focusing on a notorious threat known as […]

Ranjithkumar