What is optimism? Optimism is an Ethereum Layer Two (L2) scaling solution that uses optimistic digests to achieve significantly lower fees, significantly lower latency, and much higher throughput compared to simply using the Ethereum mainnet. This is achieved by processing all transaction data on-chain while performing off-chain calculations, rather than running all calculations and data through the Ethereum network. Optimism is currently ranked fourth in the Ethereum L2 ranking in terms of t...
