easy5 pts · first answer countslayer-2

What a rollup does

How does a Layer 2 rollup such as Arbitrum or Base make transactions cheaper?

A.It executes transactions off the main chain and posts compressed data and proofs or commitments to EthereumB.It skips signature checks for small transactionsC.It removes gas entirely by using a central database with no link to EthereumD.It runs Ethereum blocks more often by lowering the security of mainnet

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What a rollup does

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