BASE - Coinbase Ethereum L2 Explained

base he's originally announced ethereum L2 built by the coinbase team similarly to other l2s base is a separate chain that extends ethereum and inherits its security guarantees this allows for scaling ethereum by creating a low-cost environment able to accommodate new users base is built on optimism's open source op stack is the standardized shared and open source development stack that powers optimism and is maintained by the optimism Collective building on the op stack means that bass is creating a specific type of L2 called an optimistic roll-up optimistic rollups execute transactions outside ethereum but post transaction data to the ethereum mainnet optimistic rollups are considered optimistic because they assume transactions posted to ethereum are valid in cases where transactions are not calculated correctly optimistic rollups rely on the fraud proving scheme