How to buy digital land?

Could you elaborate on the process of purchasing digital land? As a novice in the world of cryptocurrencies and blockchain technology, I'm curious about the steps involved. Firstly, which platforms offer digital land for sale? Are there specific requirements or qualifications needed to participate in these transactions? Secondly, how do I ensure the authenticity and security of the digital land I'm purchasing? Are there any risks or challenges I should be aware of? Finally, what are the potential benefits and use cases of owning digital land? I'd appreciate a detailed explanation of the entire process, from identifying a suitable plot to completing the transaction securely.