警惕：购买OP币 （Optimism）可能违反法规！

Buyers need to beware that purchasing OP coins (Optimism) may be in violation of laws and regulations. It is important to always read the local laws and regulations in your country before investing in cryptocurrencies. Investors should also always do their research on any particular project that they are considering investing in. Additionally, buyers should be aware of the risks associated with buying and holding cryptocurrency, as well as the possible implications for their finances.