What is Solidity and how does it work?

What Is Solidity And How Does It Work?

Solidity is the programming language used to build smart applications on the Ethereum network. Ethereum itself is like a global computer running on blockchain technology, similar to Bitcoin. But where Bitcoin stops, Ethereum goes further. Bitcoin is meant for transferring money or value, while Ethereum also allows you to run programs (called dApps) on its blockchain network.

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🕒 12:27 PM

📅 Nov 11, 2025

✍️ By chrison2

°With Solidity, you build smart programs (smart contracts) that automatically perform actions on the blockchain — no middleman or central server required.

°Solidity forms the backend of dApps and determines what happens on the blockchain, while the frontend communicates through tools like Web3.js or Ethers.js.

°In addition to Ethereum, Solidity also works on EVM-compatible networks such as Polygon, BNB Smart Chain, Avalanche, Arbitrum, and TRON.

°From DeFi platforms to NFT projects and DAOs, Solidity is used by startups, enterprises, and communities to build reliable, transparent applications.

°Since smart contracts are immutable, the focus lies on careful programming, testing, auditing, and gas-efficient code.

Who uses Solidity?

Solidity is the language for smart contracts on Ethereum and other EVM-compatible blockchains. Here’s who uses it, why, and on which networks it’s deployed today.

•Developers & Web3 Startups

DApp builders launching tokens, NFTs, DeFi protocols, games, or identity tools.

Protocol layers designing on-chain logic: AMMs (like Uniswap-style exchanges), lending (Aave-like), vesting, governance, and more.

Hackathon teams and indie makers going quickly from idea to MVP.

•Scale-ups & Enterprises

Fintech and payments: escrow, milestone payments, on-chain settlements.

Supply chain & industry: traceability, automatic compliance checks, IoT triggers.

Loyalty & ticketing: tradable passes, royalties, anti-fraud logic.

•DAOs & Communities

Voting and treasury management through transparent, auditable smart contracts.

Programmable memberships: roles, rights, revenue splits.

•Auditors & Security Teams

Code audits, formal verification, monitoring to prevent exploits.

Implementing best practices: reentrancy guards, access control, upgradability patterns.

•Education & Research

Universities, bootcamps, and online courses that make blockchain development hands-on.

Security researchers documenting new attack vectors and mitigation techniques.