Are zyns banned in the US?

Could you please clarify whether zyns, as you've mentioned, are indeed prohibited or restricted in the United States? It's essential to understand the legality of such assets, especially in the cryptocurrency and finance realm, to ensure compliance and avoid any potential legal issues. Are there any specific regulations or laws that govern the use and trading of zyns within the US jurisdiction? Additionally, if zyns are indeed banned, could you elaborate on the reasons behind this decision and any potential consequences for individuals or entities engaging in zyns-related activities?