All about solidity smart contracts
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
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
smart-contracts
Solidity just released its newest version of Solidity, 0.8.20. And, as always, along with it comes quite a few new changes, improvements, bug fixes, etc. However, there is one imperative update in this version that you as a smart contract developer must be aware of. That is -
evm
If you are a Solidity developer struggling to wrap your head around the Ethereum Virtual Machine (EVM), this one is for YOU. EVM can be a tricky topic to tackle, but it's also an imperative one if you want to excel in the web3 world as a developer.
solidity-smart-contracts
evm
evm
evm
Table of Contents 1. EVM in 100 words 2. EVM as a Virtual Machine 3. EVM as a State Machine 4. EVM as a Quasi-Turing Complete Machine 5. Ethereum's crucial components 6. EVM's crucial components 7. EVM Working Mechanisms 8. Summary EVM in 100 words The
smart-contracts
Table of Contents Why do we witness Well-known attacks in Web3? Reason no-1 Smart Contract Security - Significance & Tools Reason no-2 Mistakes & Learnings every Smart Contract devs should experience It's been 6 years, 3months, and 25 days since the infamous DAO hack that shook the entire
ethereum
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