Google recently reported on a technique called "Etherhiding," which some threat actors use to distribute malware via public blockchain capabilities. The article from Onhexgroup provides a hands-on tutorial on implementing Etherhiding by creating a smart contract that returns a specific string. The tutorial is meant for educational purposes and emphasizes responsible use of the information. To get started, users need to set up MetaMask, a cryptocurrency wallet and gateway to the Ethereum blockchain. The tutorial guides users through installing MetaMask on their browser and adding the Sepolia test network to avoid real transaction fees. It explains how to obtain test ETH from faucets, which provide small amounts of cryptocurrency for testing and development without financial cost. The tutorial then walks through developing a smart contract using Solidity and Remix IDE. The contract is designed to return the message "Onhexgroup: Hi from BlockChain" upon being called. It includes steps for compiling the contract and obtaining the ABI, which allows interaction with the deployed contract on the blockchain. The article emphasizes practical steps, making it accessible for those interested in blockchain development.