Web3 (Web 3.0) is the idea of a more decentralized internet built around blockchain, crypto, smart contracts, and user-owned digital assets.

Key areas of Web3

๐Ÿ”— Blockchain โ€” decentralized networks such as Ethereum, Solana, and BNB Chain

๐Ÿ’ฐ Cryptocurrency โ€” BTC, ETH, stablecoins, and other tokens

๐Ÿค DeFi โ€” decentralized lending, trading, staking, and financial applications

๐ŸŽจ NFTs โ€” blockchain-based ownership of digital assets

๐Ÿ—๏ธ DAOs โ€” community-governed organizations

๐ŸŽฎ Web3 Gaming โ€” blockchain-based games and digital assets

๐Ÿง  AI + Web3 โ€” decentralized AI infrastructure, agents, and data ownership

๐Ÿชช Decentralized Identity โ€” identity and credentials controlled by users

Simple example:
Web2 โ†’ You use a platform and the platform controls your account/data.
Web3 โ†’ A wallet can act as your identity, and blockchain networks can record ownership and transactions without relying entirely on one central platform.

If you're learning Web3 for crypto/content creation, a useful roadmap is:
Blockchain โ†’ Wallets โ†’ Smart Contracts โ†’ DeFi โ†’ NFTs โ†’ DAOs โ†’ Web3 projects โ†’ On-chain research.