Natachi Nnamakanatachi.hashnode.dev·5 hours agoHow Chainlink VRF WorksIntroduction Chainlink VRF (Verified Random Function) was developed to provide a source of randomness that is resistant to manipulation. It is a provably fair and verifiable random number generator (RNG) that enables smart contracts to access random ...DiscussChainlink
Isaac Wangercodekyng.hashnode.dev·Sep 23, 2023Mastering Solidity Functions: Building Blocks of Ethereum Smart ContractsIn Solidity, a function is a fundamental unit of code that performs a specific task or operation. Functions are essential to smart contracts as they enable them to interact with external entities, other smart contracts, and their code. A Solidity fun...DiscussSolidity
D Ozgur Cakirkayadocak.hashnode.dev·Sep 23, 2023Unlocking the Potential of Astar Network: A Multi-Chain Smart Contract Platform 🌐In the ever-evolving landscape of blockchain technology, Astar Network emerges as a promising multi-chain smart contract platform nestled within the Polkadot ecosystem. It's a platform that beckons developers with open arms, offering compatibility wi...Discusspolkadot
KAVITA YADAVkavi2t.hashnode.dev·Sep 19, 2023What are Polling Cycles in Shardeum?What are Smart Contract Events? Smart contract events announce new data originating from a contract. Why are Smart Contract Events Significant? Listening to smart contract events notifies applications and users in real-time that something new has occ...DiscussSmart Contracts
John Vesterjohnjvester.hashnode.dev·Sep 18, 2023Build a Digital Collectibles Portal Using Flow and Cadence (Part 1)In this tutorial, we’ll learn how to make a website for collecting digital collectibles (or NFTs) on the blockchain Flow. We'll use the smart contract language Cadence along with React to make it all happen. We'll also learn about Flow, its advantage...DiscussWeb3
DanielGdanielles0xg.xyz·Sep 18, 2023MetaTrust CTFGuess game challenge Contracts: A: single function contract MyToken: simple ERC20 token GuessGame: Guess 4 random values for guessGame() function based on the following init code: contract GuessGame { uint256 private immutable random01; ...DiscussCTF
Mrinmoy Porelmrinnnmoy.hashnode.dev·Sep 17, 2023Hardhat: An Ethereum Development Environment.Introduction. Hardhat is a development environment for Ethereum smart contracts. It allows you to create, debug, test, and deploy smart contracts. It provides all the tools you need to help you debug and test your smart contracts, such as setting up ...DiscussEthereum
Jamaltheatlanteanjamaltheatlantean.hashnode.dev·Sep 15, 2023Mastering Solidity VulnerabilitiesA good blockchain developer can account for a ton of reasons why Smart Contract Security should be taken seriously. The total amount of funds lost due to smart contract hacks totals $2.7 billion- a 1250% increase from 2020, sourced from BanklessTimes...Discuss·6 likesSolidity
KAVITA YADAVkavi2t.hashnode.dev·Sep 15, 2023Construct and Deploy an ERC20 Vault on ShardeumIn this guide, we are going to learn how to create and deploy a customized decentralized vault smart contract on Shardeum. A Vault is a DeFi product where users can stake their tokens. The vault then implements various lending strategies to generate ...DiscussERC20
Charlie noobslearn.hashnode.dev·Sep 13, 2023State Variables: ReviewOverview In Solidity, state variables are used to represent and store data on the Ethereum blockchain. They have a specific storage location on the blockchain and persist between function calls. State variables are declared at the contract level, mea...DiscussFundamentals of Smart Contracts and SoliditySolidity
