There is an old prospector's proverb that every Silicon Valley executive eventually learns to love: in a gold rush, don't dig for gold—sell the shovels. The diggers may strike it rich or go home broke, but the man selling picks, pans and shovels gets paid either way. For a few frantic years, NVIDIA discovered it was holding the finest shovel in the world. It also discovered, the hard way, that even shovel-sellers can get buried.
The gold rush finds the GPU
The gold in question was cryptocurrency—specifically Ethereum, whose mining algorithm rewarded exactly the kind of massively parallel arithmetic that graphics cards were built for. A GPU designed to shade a million pixels turned out to be a brutally efficient machine for guessing cryptographic hashes. By 2017, as Ethereum's price climbed, miners began buying gaming cards by the pallet, bolting them into open-air rigs, and running them flat-out in garages, warehouses and Icelandic data halls.
The effect on NVIDIA's numbers was electric—and, it turned out, dangerously hard to see clearly. According to the U.S. Securities and Exchange Commission, NVIDIA's gaming revenue grew 52% year-over-year in one quarter of fiscal 2018 and 25% in the next, with cryptomining a "significant element" of that surge. The problem, the SEC would later charge, was that NVIDIA told investors the boom was gamers buying gaming cards, without adequately disclosing how much of it was really miners. When the company settled those charges in May 2022, it paid a $5.5 million penalty and neither admitted nor denied the findings.
Two booms, two busts
The trouble with mining demand is that it is not really demand for GPUs—it is demand for a coin price, wearing a GPU as a costume. And coin prices crash. In 2018, Ethereum tumbled from its highs, mining margins evaporated overnight, and the pallets stopped moving. Worse, every miner who quit dumped their used cards onto the second-hand market, flooding it with cheap silicon that competed directly with NVIDIA's own new inventory. The channel choked. Jensen Huang, normally the most bullish man in any room, had to concede the "crypto hangover" would take quarters to clear.
Then it happened again. The 2020–21 boom was even wilder, colliding with a pandemic that had everyone home and hungry for hardware. Gamers who simply wanted a new RTX 30-series card found themselves losing bidding wars to mining operations and scalper bots. Cards vanished from shelves the instant they appeared. NVIDIA was selling every shovel it could forge and still could not satisfy the people it actually cared about—the gamers who were its cultural core.
Selling the shovel without losing the miner—or the gamer
So NVIDIA tried something clever and slightly absurd: it tried to sell two different shovels to two different crowds. In February 2021 it launched CMP—Cryptocurrency Mining Processors—stripped-down cards with no display outputs, aimed squarely at professional miners so they would stop hoarding gaming GPUs. Simultaneously, it shipped "LHR" (Lite Hash Rate) versions of its consumer cards, with a driver-level limiter that roughly halved Ethereum mining performance on parts like the RTX 3060. The message: gamers get gaming cards, miners get mining cards, everybody stay in your lane.
It was a fragile truce, and it did not need to hold for long. In September 2022, Ethereum executed "The Merge," abandoning proof-of-work mining entirely for proof-of-stake. Overnight, the single largest source of GPU mining demand simply ceased to exist. The whole elaborate apparatus of CMP cards and hash-rate limiters became instantly obsolete—NVIDIA quietly removed the LHR limiter in a driver update that October, because there was no longer anything to limit.
What did NVIDIA take away from the whole saga? A hard-won lesson about the difference between real demand and rented demand. Crypto had been a spectacular, unreliable customer—a boom that inflated the numbers, embarrassed the company in front of regulators, and vanished on a protocol upgrade it did not control. Huang came out of it wary of any demand he couldn't see the bottom of. The irony is exquisite: even as the crypto shovel splintered, an incomparably larger gold rush was already forming—one where NVIDIA wouldn't just sell the shovels, but own the entire mine.
Next in the series: the researchers, the chatbots, and the moment the whole world started asking for GPUs at once.
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