Optimism, OP
, OP Stack, OP Architecture, op-
, Superchain, Optimism Bedrock, Proxyd, Crypto sequencer, rollup, Optimistic Rollup Protocol, Optimism Blobs, Optimism monitorism, fault-mon, eth-optimism/sdk
, L2OutputOracle.sol, OptimismPortal.sol
, OP Sepolia Testnet (11155420), OP Labs