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Blockchain

What is the difference between Layer 1 and Layer 2 blockchains?

Direct answer

A Layer 1 is a base blockchain (Ethereum, Solana, BNB Chain) that settles transactions and runs consensus. A Layer 2 is built on top of an L1 to increase speed and lower fees (e.

Details

. A Layer 2 is built on top of an L1 to increase speed and lower fees (e.g. Arbitrum, Base, Polygon), inheriting the L1's security while batching transactions off-chain before settling them.

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