How Helium and DePIN Work on Solana: Physical Networks Built with Token Incentives

This article explains DePIN — Decentralized Physical Infrastructure Networks — and why Helium, the largest DePIN project, chose to build on Solana. You'll understand the mechanics: how physical hardware gets deployed, who pays for it, who earns from it, and why a blockchain is involved at all.

Most explanations describe DePIN as "using crypto to build real-world infrastructure." That's true but empty. The specific insight is this: instead of one company raising billions to deploy hardware (cell towers, WiFi hotspots, sensors), a protocol uses token rewards to convince thousands of individuals to buy and operate that hardware themselves. The company doesn't own the network. The participants do — and they're compensated through a token, not a salary.

• DePIN stands for Decentralized Physical Infrastructure Network. The "physical" part is what distinguishes it from purely digital crypto protocols — actual hardware exists in the real world.
• The model flips capital expenditure. Traditional telecom spends first, earns later. DePIN shifts hardware costs to participants and pays them with tokens as the network grows.
• Token incentives solve a cold-start problem: nobody wants to use a network with no coverage, and nobody wants to build coverage with no users. Tokens reward early builders before there's meaningful revenue.
• DePIN isn't one protocol — it's a category. Helium (wireless), Hivemapper (maps), Render (GPU computing), and others all fit this model.

What this means practically: DePIN is a funding and coordination mechanism for physical networks, not a type of hardware.

Helium is a wireless network. People buy hotspots — small radio devices — and install them in their homes or businesses. Those hotspots provide connectivity: originally LoRaWAN (a low-power, long-range protocol used by IoT sensors like pet trackers and water meters), and now also cellular coverage through Helium Mobile. Operators earn tokens for providing verifiable coverage.

• Helium launched in 2019 on its own custom blockchain. At peak, over 900,000 hotspots were deployed across 190+ countries.
• Helium Mobile launched a $20/month phone plan using a combination of Helium's decentralized hotspots and a roaming agreement with T-Mobile for backup coverage.
• The network uses a system called Proof of Coverage — hotspots cryptographically verify that they're actually providing wireless signal in the location they claim. This prevents people from earning rewards for fake or non-functional deployments.
• Hotspot operators earn HNT (Helium Network Token), the protocol's native token, proportional to the coverage they provide and the data transferred through their equipment.

What this means practically: Helium pays you in crypto for running a wireless hotspot that real devices and phones can actually use.

This is where most explanations go wrong. They frame the migration as a simple upgrade. The reality is that Helium's original blockchain was struggling. It was a custom Layer 1 built specifically for Helium, and by 2022, it couldn't handle the transaction volume from hundreds of thousands of hotspots. Block times were unreliable. Validators were expensive to run. The development team was spending more time maintaining blockchain infrastructure than building the wireless network.

• The migration happened in April 2023. All Helium tokens, hotspot data, and governance moved to Solana.
• Solana processes roughly 3,000–4,000 transactions per second with sub-second finality. Helium's custom chain couldn't match that throughput.
• Moving to Solana let the Helium team stop being blockchain developers and focus on the wireless network itself.
• Helium tokens (HNT, MOBILE, IOT) became standard Solana SPL tokens, meaning they could immediately trade on Solana DEXs and integrate with existing wallets.
• Hotspot operators noticed almost no change in daily operations. The migration was a backend shift, not a user-facing one.

What this means practically: Helium outsourced its blockchain layer to Solana so it could focus entirely on building wireless infrastructure.

Helium uses a three-token system, which is unusual. HNT is the overarching network token. MOBILE rewards those who provide cellular coverage. IOT rewards those running LoRaWAN hotspots. MOBILE and IOT can be exchanged for HNT through a treasury mechanism defined by the protocol.

• HNT has a fixed max supply of 223 million, with emissions halving roughly every two years (similar in concept to Bitcoin's halvings). The first halving occurred on August 1, 2023.
• Data usage generates Data Credits (DC) — a non-transferable, USD-pegged fee token. Anyone who wants to send data through Helium's network buys DC by burning HNT. This is the protocol's actual revenue mechanism.
• The burn-and-mint cycle creates a direct link between network usage and HNT demand: more data transferred means more HNT burned to create DC.
• Early on, most HNT emissions go to hotspot operators (supply-side incentives). As real data usage grows, the model is designed to shift toward being sustained by actual revenue rather than token inflation.

What this means practically: Helium rewards operators with inflationary tokens now, betting that real-world data demand will eventually sustain the system through fee revenue.

1. Purchase approved hardware from a Helium-compatible manufacturer (such as Bobcat, RAK, or FreedomFi for cellular). Only hardware from approved vendors can join the network — this prevents spoofing.

2. Set up a Solana wallet using the Helium Wallet app. This is where your earned tokens are deposited. You need this before onboarding the device.

3. Onboard the hotspot through the app, which registers the device on the Solana blockchain. Onboarding costs a small fee paid in Data Credits (typically under $10 equivalent).

4. Install the hotspot in a location with good line-of-sight and minimal obstructions. Placement matters enormously — a hotspot in a window on the 10th floor earns significantly more than one in a basement.

5. Monitor and earn through the Helium app or third-party explorers. Rewards vary by location density, data transfer, and the Proof of Coverage activity your hotspot participates in.

What this means practically: Getting started requires buying specific hardware, connecting it to a Solana wallet, and placing it thoughtfully. The crypto part is simple; the antenna placement part matters more.

Helium is the most established DePIN project, but the category is growing. Not every project using the DePIN label is equally sound. The model works when there's real demand for the physical service the network provides. It doesn't work when token emissions are the only reason participants show up.

• Ask whether actual customers are paying for the service. A mapping network with no one buying maps, or a compute network with no one renting GPUs, is running entirely on token speculation.
• Check whether the hardware does something useful independent of token rewards. If the only reason to buy the device is to mine tokens, the economics are circular.
• Look at the burn rate or fee revenue relative to token emissions. If emissions dwarf revenue by 100x or more, the token price relies entirely on new demand, not fundamentals.
• Verify that the project uses some form of proof mechanism (like Helium's Proof of Coverage) to ensure participants are providing the service they claim.

What this means practically: The key question for any DePIN project is whether anyone would pay for this service if the token didn't exist.

• DePIN uses token incentives to crowdsource physical infrastructure — shifting hardware costs from a corporation to distributed participants who earn crypto in return.
• Helium is the largest DePIN project, operating a decentralized wireless network with both IoT (LoRaWAN) and cellular coverage, with over 900,000 hotspots deployed globally.
• Helium migrated to Solana in April 2023 because its custom blockchain couldn't scale. Solana provides the throughput and ecosystem integrations Helium needed without the maintenance burden.
• The sustainability test for any DePIN project is real demand — tokens can bootstrap a network, but long-term viability requires people actually paying for the physical service being provided.