Zealynx Securityzealynx.hashnode.dev·Apr 25, 2024Prevent 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...Discuss·222 readsSmart Contracts
Favour Ajayefavourajaye.hashnode.dev·Jul 25, 2023Gas optimization in solidityGas Optimization What is Gas Optimization? Gas optimization in Solidity is like finding ways to use less gas when you run a program on the Ethereum blockchain. In the Ethereum network, every operation in a smart contract consumes a certain amount of ...Discuss·22 likes·43 readsgas optimization
Favour Ajayefavourajaye.hashnode.dev·May 21, 2023100 days of solidity challenge(How i forgot to put this here is what is amazing) So, I made a decision to put this out there as a challenge for anyone who would want to take it up. This is a “100-day solidity” challenge for anyone out there who wants to challenge themselves with ...Discuss·20 likes·57 readsSolidity
Daniel Anthonythenavigator.hashnode.dev·Jan 27, 2023Solidity Tutorial: MappingsIn the previous episode, we discussed arrays and how to use them. From the example, we had studentAges as an array where we knew the element's index, so we could easily fetch the index value. But, what if we don't actually know the index? How do we f...Discuss·1 like·44 readsWeb3
