Ethernaut 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...Oct 13, 2024·2 min read
ERC4626 & 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...Nov 20, 2023·9 min read
ERC721 & its quirksCryptocurrencies are not just about transferring digital value. They have evolved to encapsulate diverse digital assets, including collectibles, in-game items, and digital art. In the world of blockchain, one standard stands out for representing thes...Oct 19, 2023·8 min read
ERC20 & its quirksThe Ethereum ecosystem has ushered in a new era of decentralized applications, smart contracts, and blockchain-based solutions. With such diversity and decentralization, the need for a standard arises that allows all the current tokens and the ones t...Oct 17, 2023·8 min read
Ethernaut Series - 00Hello Ethernaut The first level in this series walks us through the setup of the CTF series. When we click on "Get new instance", it deploys the contract code shown in the challenge to the testnet you select (in my case, Sepolia) to which we can inte...Jul 28, 2023·6 min read
Understanding EVM StorageEVM stands for Ethereum Virtual Machine. Thousands of nodes (systems run by individuals like ourselves) run a piece of software which is known as the EVM. The EVM is used to perform the operations and calculations as instructed by the smart contracts...Jun 22, 2023·7 min read
Block-Chain: What is it?“An open and distributed ledger which can record transactions between two parties in a permanent way, accessible by anyone.” From the word, pictorially it should be like a chain of blocks right? You got that right to some extent but let’s put things ...Apr 22, 2023·4 min read