How to Build a Web3 App: Hello World
This tutorial will teach you how to write, deploy, and interact with your very first Cadence smart contract on the Flow blockchain. Using the classic Hello World example, you’ll learn the fundamentals of contracts, transactions, and signers in Cadence.
📘 Documentation: Hello World Tutorial (Cadence) - https://cadence-lang.org/docs/tutoria...
💻 Requirements:
Flow Playground (browser-based IDE for Cadence)
Basic understanding of blockchain smart contracts
🚀 Key Concepts Covered:
⭐️ Declaring a public Cadence contract
⭐️ Initializing state with the init() function
⭐️ Writing a view function to return values
⭐️ Deploying contracts to the Flow Playground
⭐️ Creating & executing transactions that import contracts
⭐️ Understanding the role of signers in authorizing transactions
⚒️ Flow Development Tools:
Flow Playground for in-browser development
Accounts & Storage model on Flow
Transactions & Scripts to interact with contracts
😸😸Follow for more Flow tutorials!😸😸
🌐 Flow Developers: https://developers.flow.com/
🐦 Twitter: / flow_blockchain
💻 GitHub: https://github.com/onflow