This happened approximately 5 months ago in Colombia and left more than one person affected, to report and not believe so easily in scammers who only seek to take advantage.

💥 ATTENTION ARGENTINA! The Rainbow Exchange platform, also known as Knight Consortium, has stopped payments and withdrawals of money to thousands of investors in Argentina. The decision has sparked a storm of controversy, with rumors of a possible pyramid scheme putting the entire country on alert.
What's going on?
Rainbow Exchange, which promised returns of up to 2% per day in dollars, has temporarily suspended all transactions for 14 business days. The company claims that this decision was necessary to cooperate with an ongoing investigation by Argentine regulators. The underlying reason: they accuse the platform of operating as a pyramid scheme in which newer investors finance the profits of earlier ones.