Solidity

Solidity is the most widely used language for writing smart contracts that run on the Ethereum Virtual Machine (EVM). With syntax inspired by JavaScript and C++, it lets you build decentralized applications (dApps), tokens and DeFi protocols. Young but key in the Web3 world.

• Creado por Gavin Wood (Ethereum)
• Año 2014
• Paradigma: Contract-oriented · compiled (EVM)
• Extensiones: .sol

Para qué se usa

• Smart contracts
• Decentralized apps
• Tokens and DeFi

A favor

• Ethereum standard
• Familiar syntax
• Key in Web3

En contra

• Very costly bugs
• Young and unstable
• Delicate security

Ecosistema

• Foundry
• Hardhat
• Remix
• OpenZeppelin
• ethers.js
• viem

Ejemplo

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
contract Hola {
  string public saludo = "¡Hola, mundo!";
}