Optimism (OP) is a blockchain that operates on top of Ethereum and aims to scale the Ethereum ecosystem by using optimistic rollups. The OP cryptocurrency powers the Token House which is a division of the Optimism Collective, along with the Citizens' House. The Collective governs network parameters, treasury disbursements, and protocol upgrades. Website : https://optimism.io/ Whitepaper : https://docs.optimism.io/ X : @Optimism