Is Monero illegal in the US?

Could you please clarify for me, is the use and ownership of Monero considered illegal within the United States? I've heard conflicting information regarding the legality of this cryptocurrency and I'm seeking a definitive answer. As a cryptocurrency enthusiast, I'm interested in understanding the legal framework surrounding Monero in the US, and whether it's safe to transact with or hold. Thank you for your assistance in clarifying this matter.