By Luc Olinga Opportunists quickly made a lot of money by creating fake coins to benefit from a tweet from McDonald’s highlighting its adorable character Grimace. Here’s a scenario to which cryptocurrency fans are accustomed: An influencer praises the merits of or evokes a token on social media. And the token value immediately flies to the moon. But for neophytes, who are wondering whether they should buy cryptocurrencies whose prices have plummeted, it will be an additional reason to stay away. And regulators will see this as a reason to speed up the regulation of the crypto space. Opportunis…