Optimism (OP) Welcomes USDC Stablecoin on Mainnet Optimism (OP) expands ecosystem with USDC integration Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Filed under: Bitcoin - @ August 31, 2023 9:19 am