Plain meaning
Start with the shortest useful explanation before going deeper.
A decentralized wireless infrastructure network that migrated from its own L1 blockchain to Solana in April 2023 for improved scalability and composability. Helium incentivizes individuals to deploy hotspots providing LoRaWAN (IoT) and 5G cellular coverage, earning HNT, MOBILE, and IOT tokens. With over 900,000 hotspots deployed globally, Helium is one of the largest DePIN projects on Solana.