In lieu of paying tens of billions of dollars to develop and preserve a wi-fi infrastructure, Helium Devices connects these devices by using radio waves (that makes mining Helium a pretty proposition, but more on that afterwards). NFTs exist on a blockchain, which can be a distributed public ledger https://financefeeds.com/top-copyright-presales-according-to-chatgpt-coins-with-explosive-1000x-growth-potential/