Smart Contract Developer & Auditor || Technical Writer at Decipher Club
smart-contracts
OpenZeppelin recently announced changes in the upcoming version 5.1. Here are few imperative changes around Governance and ERC20. Governance Related Changes GovernorCountingSimple- The _countVotes function now returns uint256 . Previously the _countVotes function looked something like this: function _countVote( uint256 proposalId, address account, uint8 support, uint256 weight, bytes memory // params
erc-standards
As I was writing a post about ERC777, I had to explain ERC1820 as well, and in that process, I realized that ERC1820 needs a separate article. So let’s delve deeper into ERC-1820. You might be wondering why is it called a registry contract. Well, any contract or EOA
solidity-smart-contracts
Openzeppelin recently released version 5 of the solidity libraries. In this article, you, as a developer will get to know the imperative changes and updates. The minimum solidity version for using OZ libraries is also now bumped up to 0.8.20. You might face problems working with this version
solidity-smart-contracts
An effective guide to understanding User-Defined Operators in Solidity and how they work
erc-standards
A technical deep dive of ERC777 token standard and understanding why it failed.
smart-contracts
On May 13th, tornado cash governance was hacked. Let’s understand how it was possible and what was the vulnerability. This post won’t be about the statistics but more about the technical route of the attack. TL;DR — The attacker mainly used CREATE, CREATE2, and selfdestruct to exploit the
solidity-smart-contracts
solidity-smart-contracts
Do you know EVM has the functionality of rewarding users with a gas refund for clearing the on-chain storage occupied by the contract data? Let’s learn more about this. There have been some changes after the London fork. But to understand it better we will look at the scenario
ethereum
erc-standards
Welcome to Part 11 of the Token Standards article series. If you haven't checked the first part yet, please check it out here. ERC-721 standard was proposed for NFTs(Non-Fungible Tokens). NFT refers to the tokens that are unique, which means every token inside the smart contract, will
erc-standards
Creating and deploying your own tokens on the internet is too easy. Blockchain and Smart Contracts have made it possible. Yes, you heard that right. You can deploy your own tokens on the internet. And that too without creating a whole new blockchain like Bitcoin or Ethereum. These tokens are
blockchain
If you are here out of chaos while trying to understand the web3 and Blockchain, then don’t worry I was going through the same chaos over the internet while I was trying to understand this new famous trendy technology with some fancy terms and some jargon for the non-tech