Web3.Js Development Tutorials, Guides & Insights

• Website: NBitcoin

• Description: A decentralized computing network and app ecosystem designed to build decentralized applications on top of blockchains.
• Use Cases:
• Build decentralized applications with identity, storage, and smart contracts.
• Use Gaia storage for decentralized file storage.
• Implement user authentication and identity management in DApps.
• Key Features:
• Provides SDKs for JavaScript, iOS, and Android.
• Integrates easily with existing blockchains and decentralized storage solutions.
• Focused on privacy and user data ownership.
• Installation:

• Description: A JavaScript library that allows you to interact with the Ethereum blockchain via HTTP, WebSocket, or IPC.
• Key Features:
• Comprehensive set of tools to interact with smart contracts.
• Connects to Ethereum nodes via HTTP, WebSocket, or IPC.
• Handles sending Ether and deploying contracts.
• Provides utilities for managing accounts, keys, and wallets.
• Website: Web3.js

• Description: A lightweight and complete library for interacting with the Ethereum blockchain and its ecosystem.
• Key Features:
• Smaller and more modular than Web3.js.
• Easy-to-use API for interacting with contracts and wallets.
• Extensive support for signing transactions and handling wallets.
• Built-in utilities for interacting with Ethereum Name Service (ENS).
• Works well with Hardhat and other Ethereum tools.
• Website: Ethers.js

Example Contract:

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

contract MessageStore {
    string public message;

    function setMessage(string memory newMessage) public {
        message = newMessage;
    }

    function getMessage() public view returns (string memory) {
        return message;
    }
}

truffle migrate --network mainnet

You can host your front-end on a decentralized platform like Fleek or Netlify for broader access.

Prerequisites

• Node.js and npm installed on your system.
• Basic knowledge of JavaScript and Solana.
• A Solana wallet address you wish to track.