Openzeppelin

Terms like Blockchain, Crypto, smart contracts, NFT, and DeFi are no longer new words for netizens. Most of them have a somewhat good understanding of what they mean and there are plenty of resources available to get to know about them too. The blockchain industry is constantly evolving, with new…

Storing information off-chain using a link to a metadata file has been the common practice for NFTs. However, there is a growing trend towards storing all information purely on-chain, which has led to the idea of providing data links that contain the data in it. In this article, we will…

What is a DAO? A decentralized autonomous organization (DAO) is exactly what the name demonstrates. It has no hierarchical structure and is managed by a group of people in networks. This group becomes larger as more members join the DAO. No single member will have authority over another but may possess more voting power…

For many users, ether is expansive and hard to obtain. So these will become one of the blockers for people using the Web3 project. Solving this problem, meta transactions are one of the solutions. Meta transaction is a method to provide a “gasless” on-chain action. …

Solidity is a high-level programming language used to write smart contracts on the Ethereum blockchain. Solidity provides several security features to ensure that the contracts are protected against malicious attacks, but one of the most important ones is the reentrancy guard. …

Testing is an essential part of the development process for Solidity smart contracts. It helps to ensure the functionality and security of contracts before deploying them to the Blockchain. …

Hey guys 👋, in this blog we’ll be developing an upgradable smart contract using UUPS (Upgradeable Universal Proxy Standard). Smart contracts are self-executing code stored on a blockchain network that allows for the automated execution of digital transactions. …

If you’re unfamiliar with Ethernaut, it’s a “Web3/Solidity-based wargame inspired by overthewire.org, played in the Ethereum Virtual Machine.” Each level has at least one smart contract that you need to first study, and then exploit. It’s entirely open sourced and they welcome PRs. I think this level and the creator…

The growth of cryptocurrency tokens over the last year demonstrates the significance and expanded use of asset tokenization. As the practice of releasing cryptocurrency tokens has grown in popularity, developing tokens now necessitates a specialized understanding of writing smart contracts, which form the basis of tokenization on blockchain. What you’re…