Ad Layer-2 network Optimism airdropped 11.7 million tokens to over 300,000 wallets on Feb. 9, increasing its OP token circulating supply to 234.74 million. Following the news, the OP token fell by 13% in the last 24 hours to $2.33 as of press time, according to CryptoSlate data. OP is one of the best-performing digital assets…