Cryptos continue to transform the global economy, but their rise is not without controversy. The latest shakeup: President Donald Trump, now at the center of a heated debate with the launch of his memecoin TRUMP. This token, unveiled on the eve of his inauguration, raises profound questions. Accused of facilitating anonymous transactions to questionable actors and circumventing financial transparency laws, it triggers fears related to the national security of the United States. This case, which reflects the limits of still imprecise regulation, sheds light on the tensions between innovation and responsibility in a rapidly evolving sector.