ethereum - Decipher Club

smart-contracts

Tornado Cash governance hack

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

PUSH0 opcode: A significant update in the latest solidity version 0.8.20

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

Best EVM learning resources based on your level of expertise

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.

evm

Here comes Decipher EVM Puzzles game for all Smart Contract Devs

Featured in Week In Ethereum News [ Start Playing ] 🤾🏻‍♂️ * Go to Decipher EVM Puzzles github repo * Check the Installation and set-up steps * Start Playing It has been quite evident in the web3 developer space that solving puzzles, CTF challenges, games, etc are one of the most effective ways to grasp any

evm

EVM Part II: The Journey of Smart Contracts from Solidity Code to Bytecode - 2nd Section

evm

EVM Part II: The Journey of Smart Contracts from Solidity code to Bytecode - 1st Section

evm

EVM Part I: The ABCs of Ethereum Virtual Machine

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

solidity-smart-contracts

Part III: Custom Errors in solidity are more useful than you think

solidity-smart-contracts

Part II: Replace modifiers with private functions and reduce your contract's size

solidity-smart-contracts

Part IV: Using libraries to optimize contract size

The topic of discussion in this article series has been the ways a smart contract developer can optimize the contract’s bytecode size & never hit the threshold of 24.576 kb. So here is another crucial development pattern you can use to lower the bytecode size of your contract.

solidity-smart-contracts

Part I: Beware Solidity Devs, you might just hit your contract size limit

It's quite imperative for you as a Smart Contract Developer to always be within the pre-defined Smart Contract Bytecode size limit. Wait, What is Bytecode? 🤔 In very simpler terms, Humans understand Solidity, but EVM understands Bytecode. Bytecode is the low-level language that our solidity smart contracts (a high-level

ethereum

Token Standards in Ethereum Part-III (ERC1155)

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