According to industry sources, Optimism completed a $150 million Series B funding round on March 17, 2022, led by Paradigm and Andreessen Horowitz. Following this transaction, Optimism’s total funding reached $429.5 million, with its latest valuation at $1.65 billion.Optimism is an Ethereum-based Layer 2 scaling solution utilizing Optimistic Rollup technology, which significantly reduces transaction costs and confirmation times while maintaining Ethereum’s security standards. In terms of project milestones, Optimism raised $3.5 million in a seed round in January 2020, secured $25 million in Series A funding in February 2021, and officially launched its mainnet in December 2021. Its native token, OP, began trading on major exchanges in May 2022.Notably, Optimism continues to innovate in scaling technologies. In October 2022, the team introduced the modular OP Stack component, further enhancing platform scalability. In August 2023, Optimism and Base jointly released a revenue governance sharing protocol, demonstrating strong ecosystem collaboration. Additionally, the project completed $162 million and $89 million in OTC funding rounds in September 2023 and March 2024 respectively, reflecting sustained market confidence in its growth prospects.