NFTs Are Selling for Millions, But How Do You Tell a Diamond From a Dud?

A fragment of 24 Hours in The City That Never Sleeps by Frank Ape. Last sold for ETH 5 (USD 9,144). With a non-fungible token (NFT)-based digital artwork selling for USD 69.35m, you'd be forgiven for assuming that most NFTs are worth a small -- or large -- fortune. However, for every multi-million-dollar NFT, there are hundreds, if not thousands, of obscure tokens sold for