Solidity Programming Tutorials, Guides & Best Practices

  npm install crypto-js

• Website: CryptoJS

• Description: A decentralized key management solution for frictionless login to DApps.
• Key Features:
• Enables one-click login to DApps using OAuth providers like Google and Facebook.
• Securely manages private keys in a decentralized manner.
• Provides a seamless user experience for onboarding non-crypto users.
• Integrates easily with Ethereum and other blockchains.
• Website: Torus

• Description: A decentralized storage network built on top of IPFS.
• Key Features:
• Provides verifiable, decentralized storage with economic incentives.
• Allows users to rent out unused storage space.
• Integrates seamlessly with IPFS for decentralized file storage.
• Ideal for storing large datasets and DApp data.
• Website: Filecoin

To build a DApp, you first need a smart contract that will serve as the backend logic. Let’s create a simple smart contract that allows users to store and retrieve a message on the blockchain.

Example Contract: