newflow
The **Counter Smart Contract** is a simple Solidity project that stores a number on the blockchain and lets users increment or decrement it. It’s designed to teach beginners the basics of state variab
視頻
技術堆疊
描述
The Counter Smart Contract is a foundational Solidity project that introduces the core concepts of Ethereum smart contract development in a simple and practical way. The contract maintains a single integer variable called count, which is permanently stored on the blockchain. Users can interact with the contract through three main functions — increment(), decrement(), and getCount().
When a user calls increment() or decrement(), the contract updates the count variable on-chain, demonstrating how transactions modify blockchain state and consume gas. The getCount() function, on the other hand, is a read-only (view) function that allows anyone to check the current value without any gas cost.
This project helps beginners understand how smart contracts handle data persistence, state changes, and public accessibility. It forms a strong base for learning more advanced concepts like access control, events, and contract ownership in future projects.