Optimism (OP) is a layer-two blockchain in addition to Ethereum. Optimism Added benefits from the security from the Ethereum mainnet and will help scale the Ethereum ecosystem by using optimistic rollups.
Bithumb is https://rorymtbx081190.blogdigy.com/rumored-buzz-on-https-earnmoneyonlinewithhamza-blogspot-com-2024-05-top-15-copyright-currency-for-onilne-html-utm-medium-social-utm-source-heylink-me-43095581