<https://coincentral.com/what-is-helium-crypto-hnt-network-and-how-does-it-work/#webpage>
<http://schema.org/description>
"Helium is a blockchain protocol composed of Helium hotspots, which are similar to internet routers and provide broader and cheaper internet access for Internet of Things (IoT) devices."
<https://coincentral.com/what-is-helium-crypto-hnt-network-and-how-does-it-work/>