When you interact with a DeFi protocol, buy an NFT, or join a DAO, you’re using code written in Solidity, a programming language designed specifically for writing smart contracts on the Ethereum blockchain. Also known as Ethereum’s primary smart contract language, it’s what turns simple ideas into self-executing agreements that run without middlemen. If you’ve ever wondered how a token gets minted, how staking rewards are paid out, or why your transaction fails with a cryptic error—chances are, Solidity is the reason.
Solidity doesn’t run on your phone or laptop. It runs on the Ethereum Virtual Machine (EVM), a global computer made up of thousands of nodes. That’s why every smart contract written in Solidity is immutable once deployed—no one can change it without rewriting the whole thing. This makes it powerful but also unforgiving. A single bug in a contract can cost millions, which is why audits and testing matter more than flashy marketing. You’ll see this in posts about smart contracts, self-executing code that automatically enforces rules on the blockchain—like those in supply chain tracking or automated token distributions. These aren’t theoretical. They’re live, running, and often tied directly to real money.
Solidity isn’t just for big projects. It’s used by indie devs building meme coins, music NFT platforms, and gaming tokens—all of which rely on the same core language. Whether it’s a reflection token that pays holders BNB on every trade, or a token that locks voting rights in a decentralized organization, the logic behind it is written in Solidity. You’ll find examples in posts about Ethereum, the leading blockchain platform for decentralized applications and smart contracts and Web3 programming, the development of decentralized applications using blockchain, tokens, and smart contracts. These aren’t abstract concepts. They’re the building blocks of everything from airdrops to decentralized exchanges.
What you won’t find here are beginner tutorials on variables or loops. The posts below assume you already know Solidity is the engine—and they show you what’s actually being built with it. From high-risk meme tokens with zero volume to legitimate DeFi systems moving billions, every example here is a real-world test of Solidity’s strengths and flaws. You’ll see how poor coding leads to rug pulls, how gas fees shape user behavior, and why some projects succeed while others vanish overnight.
By the end of this collection, you won’t just understand Solidity—you’ll know how to spot what’s real, what’s risky, and what’s just noise dressed up as innovation. The code doesn’t lie. But the people behind it? That’s another story.
Ethereum is the world's leading smart contract platform, powering DeFi, NFTs, and enterprise blockchain apps. With over 44 million deployed contracts and a transition to Proof of Stake, it remains unmatched in ecosystem size and developer adoption.