A tool that lets you move your crypto from one blockchain network to another, since most blockchains can't directly talk to each other.
Think of it like exchanging dollars for euros at the airport — you're moving value from one system to another.
Bridges let you access apps and opportunities on different blockchains without having to sell your crypto and rebuy on another network.
Watch out for bridge hacks — bridges hold large amounts of crypto and have been targets of some of the biggest thefts in crypto history. Use well-established bridges only.
The main blockchain network itself — like Ethereum, Bitcoin, or Solana — that processes and finalizes transactions on its own.
A separate network built on top of a Layer 1 blockchain to make transactions faster and cheaper, while still relying on the main chain for security.
Decentralized Finance — financial services like lending, borrowing, and earning interest, built on blockchain and available to anyone without needing a bank.
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