Web3 refers to a proposed new generation of the internet built on blockchain technology, where data and digital ownership aren't controlled by a single company (like Google or Meta) but are distributed across a decentralized network.

Key components:
Blockchain — a transparent digital ledger that can't be unilaterally altered
Cryptocurrency — digital currencies like Bitcoin or Ethereum used for transactions on these networks
Smart contracts — self-executing programs that run automatically when conditions are met, no middleman needed
NFTs — unique tokens representing ownership of digital items (art, game assets, etc.)
DeFi (Decentralized Finance) — financial services (lending, saving, trading) without a bank as intermediary
Why people are interested:
More control over personal data
Greater transaction transparency
New economic opportunities (trading, staking, content creation)
Real risks to know:
Crypto prices are highly volatile
Many "earn commission" or "content mining" style offers turn out to be pyramid/MLM schemes rather than genuine businesses
Regulation varies a lot by country and is still evolving — always check if a platform is registered with the relevant financial authority before investing