Rollups
Optimistic rollups and zk-rollups can execute smart contract state changes off-chain and verify them on-chain to increase blockchain throughput and reduce costs. Rollups can be expanded in the following three ways:
Rollups execute transactions off-chain, and the underlying blockchain only needs to calculate lightweight transaction proofs, verify network activities and store raw transaction data.
Rollups package the transaction data and submit it to the blockchain, and the gas fee on the chain can be allocated to each transaction.
Rollups only needs at least one honest verification node to prove the validity of the transaction to the underlying blockchain. Therefore, the requirement for the number of verification nodes is relatively low, and the requirements for node hardware are relatively high. At the same time, it will not affect security. big impact.
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