Where can i buy BNB Beacon Chain?

I'm a keen investor in the cryptocurrency space and I've been hearing a lot about the BNB Beacon Chain. However, I'm not entirely sure where I can purchase it. Could you please provide me with some guidance on this? I'm particularly interested in knowing if there are any reputable exchanges or platforms that offer BNB Beacon Chain for purchase. Additionally, I'd appreciate any tips or considerations I should make before making this investment. Understanding the liquidity, fees, and security of the platform would also be helpful. Thank you for your assistance in navigating this potentially lucrative but complex market.