Most cryptocurrencies can be scammy due to a lack of regulation, making it easy for fraudsters to create and promote fake coins or projects. With the allure of quick profits, many investors overlook the fundamental flaws or absence of a tangible product. Pump-and-dump schemes are rampant, where prices are artificially inflated and then dumped, leaving unsuspecting investors with worthless assets. Additionally, the anonymity of crypto transactions attracts illicit activities, further tarnishing the industry's reputation. Always research thoroughly and invest wisely!