Zartaj Afser - Decipher with Zaryab

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Zartaj Afser

Smart Contract Developer & Auditor || Technical Writer at Decipher with Zaryab

Points to note in Openzeppelin Contracts 5.0

solidity-smart-contracts

Points to note in Openzeppelin Contracts 5.0

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

Deciphering User-Defined Operators in Solidity

solidity-smart-contracts

Deciphering User-Defined Operators in Solidity

An effective guide to understanding User-Defined Operators in Solidity and how they work

Deciphering Token Standards in Ethereum Part-IV — The Failure of ERC777

Deciphering Token Standards in Ethereum Part-IV — The Failure of ERC777

A technical deep dive of ERC777 token standard and understanding why it failed.

Tornado Cash governance hack

smart-contract-security

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

Attention Solidity Developers, You might have missed this update

solidity-smart-contracts

Attention Solidity Developers, You might have missed this update

How to clear storage and get incentivized by Ethereum Blockchain ?

solidity-smart-contracts

How to clear storage and get incentivized by Ethereum Blockchain ?

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

Token Standards in Ethereum Part-III (ERC1155)

Token Standards in Ethereum Part-III (ERC1155)

Ethereum Token Standards Part-II (ERC721)

Ethereum Token Standards Part-II (ERC721)

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 be different

Token Standards in Ethereum Part-I (ERC20)

Token Standards in Ethereum Part-I (ERC20)

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

Deciphering the ABCs of Blockchains

Deciphering the ABCs of Blockchains

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