hexbytehexbyte.hashnode.dev·Oct 13, 2024Ethernaut Series - 05 (Token)Concept The emphasis of this level is on the concept of overflow and underflow which is a concern for contracts written in solidity version <0.8. Basically, there are different types of integer data type. For example, uint256, int256, uint8, int8. Ea...EthernautWeb3
Abdulsamad sadiqot41k1.hashnode.dev·Feb 26, 2024Ethernaut(Lvl 5): Too small, Too Big - Arithmetic's wild JigIn Solidity, similar to languages like C and C++, there are no built-in safeguards to manage storage limitations, unlike what developers accustomed to Ruby and Python may expect. In Ethereum's smart contract landscape, each storage slot is 256 bits o...Smart Contracts
hexbytehexbyte.hashnode.dev·Nov 20, 2023ERC4626 & its quirksERC4626 is a new Ethereum standard for tokenized vaults. It provides a standard interface for developers to build yield-bearing vaults that represent shares of a single underlying ERC-20 token. It outlines an optional extension for tokenized vaults u...109 readsWeb3 Protocolserc4626
mrudenkomrudenko.hashnode.dev·Oct 26, 2023Leveraging ChatGPT for Auditing Solidity Smart ContractsIn the realm of blockchain development, auditing smart contracts is a crucial step to ensure the security and efficiency of decentralized applications. Solidity, as a prominent smart contract language for the Ethereum blockchain, demands meticulous a...142 readsWeb3
mrudenkomrudenko.hashnode.dev·Oct 25, 2023Smart Contract Security Audit ChecklistIntroduction When conducting a security audit for Solidity smart contracts, it's essential to cover a wide range of aspects to ensure the code's safety and integrity. Below, we provide a comprehensive checklist of questions and considerations to help...105 readsSolidity
hexbytehexbyte.hashnode.dev·Aug 9, 2023Automated Market Makers (AMMs) & more...Until Now, The exchange markets worked on a trade execution model called "CLOB" or the Central Limit Book Order. This model is transparent but slow and requires a middleman. The middleman (in our case, the exchanges / derivative / equity markets) mat...77 readsWeb3
Claire Charlesclaire-me.hashnode.dev·Jul 10, 2023Getting started with Webacy: Wallet WatchWelcome, web3 enthusiasts and builders. Today I will walk you through how the wallet watch feature works on Webacy. Wallet watch is a feature on Webacy that lets you monitor your wallet activity anywhere, anytime. Let's go deeper🤓 How does this work...3 likes·34 readsSecurity