Which cryptocurrency wallet is best for storing bitcoin Diamond?

In my search for the ideal cryptocurrency wallet to securely store Bitcoin Diamond, I'm left wondering which one offers the most comprehensive features and robust security. With the ever-evolving landscape of digital currencies, it's crucial to find a wallet that can keep my Bitcoin Diamond holdings safe and accessible. Should I opt for a hardware wallet, known for its robust physical security? Or perhaps a software wallet, with its ease of use and portability? Additionally, how important is it to consider multi-signature functionality and two-factor authentication? These are the questions I have as I embark on my journey to find the best wallet for my Bitcoin Diamond holdings.