Optimism is the Layer-2 scaling solution of the Ethereum Network and it's now expanding the DeFi ecosystem. The Layer-2 solution race is hotter than ever since multiple solutions have been put forward to solve the recurrent limits of the Ethereum blockchain. Optimism is one of the race participants. It was incubated by Paradigm and boosted by a16z. This article will introduce the overview of Optimism and dig deeper into the ecosystem to find potential opportunities. So letβs explore the ...