Zealynx Securityzealynx.hashnode.dev·6 hours agoPrevent Front-Running on ERC20 Smart ContractsWhat will you find here? This article explores the critical issue of front-running vulnerabilities in ERC20 tokens on the Ethereum blockchain, focusing on how these security gaps can be exploited through the token allowance mechanism. We provide a de...DiscussSmart Contracts
Jay Nalamblog.jnalam.dev·Apr 24, 2024Sui Move Language - Counter ContractHello Everyone.. Welcome to another day of exploring Web3 Engineering. In our series, we are exploring the Sui Move language and it's features. In today's article, let us write our first smart contract. So, without any further ado, lets get started. ...DiscussSui Move LanguageSui
Victoria Adedayovictoriaadedayo.hashnode.dev·Apr 23, 2024Multicall: The Key to Gas OptimizationA multicall contract 📞 is a smart contract that accepts multiple function calls as inputs and executes them together. A developer can use the multicall contract as a proxy to call functions in other contracts. A proxy in this case, refers to the mu...DiscussSmart Contracts
Eddie Thomasdevelopersinindia.hashnode.dev·Apr 22, 2024How blockchain-based smart contracts could revolutionize real estateIntroduction In the ever-evolving landscape of real estate, the integration of Blockchain Development Company technologies and smart contract development stands as a beacon of hope, promising to streamline transactions, enhance security, and introduc...DiscussBlockchain
Jay Nalamblog.jnalam.dev·Apr 22, 2024Sui Move Language - Assertions & Error HandlingHello everyone.. Welcome to another day of exploring Web3 Engineering. In this series, we are looking into the move language for developing smart contracts on Sui blockchain. So, without any further ado, let us get started. Just like any other langua...Discuss·1 likeSui
Alexander Codesalexandercodes.hashnode.dev·Apr 21, 2024Building a Personal NFT Marketplace on AlgorandIntroduction In this post, we're going to look at writing a simple smart contract in Algorand Python that allows a creator to list and sell their NFTs. The creator will be able to transfer assets to the application and set a sale price for each item ...Discuss·1 like·86 readsalgorand
Aapsi Khairaaapsi.hashnode.dev·Apr 20, 2024Understanding the Difference: Solidity's Strict Pragma versus Floating PragmaGetting Started In the world of Solidity, where smart contracts reign supreme, the first line of defence against chaos is often the pragma directive. But what’s the fuss between strict and floating pragmas? Let’s dive into the nitty-gritty and uncove...DiscussSolidity
Rasel mahmudprogramming-dude.com·Apr 18, 2024What is UTXO in Blockchain?In the blockchain world, specifically in cryptocurrencies like Bitcoin, UTXO stands for Unspent Transaction Output. Here's a simplified explanation: Imagine you have a piggy bank full of coins (these represent the UTXOs). Each coin has a value, like ...DiscussBitcoin
Alexander Codesalexandercodes.hashnode.dev·Apr 18, 2024Tokenised Subscriptions on AlgorandIntroduction In this blog post, we'll explore a novel way to implement periodic payments on Algorand. The general idea is to write a smart contract that issues redeemable subscription tokens. Each subscription is represented by a unique asset, and ea...Discuss·13 likes·238 readsalgorand
Zealynx Securityzealynx.hashnode.dev·Apr 17, 2024Invariant Tests with Echidna for AMM Smart ContractsIn this article, we are going to review Invariant tests for AMM contracts with Echidna, with a short comparison with Foundry invariant testing and a deep dive into property-based invariant tests for an Automated Market Maker smart contract. Introduc...Discuss·10 likesSmart Contracts