The hunt for rare bitcoin is nearing an end

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Billy Restey is a digital artist who runs a studio in Seattle. But after hours, he hunts for rare chunks of bitcoin. He does it for the thrill. “It’s like collecting Magic: The Gathering or Pokémon cards,” says Restey. “It’s that excitement of, like, what if I catch something rare?”

In the same way a dollar is made up of 100 cents, one bitcoin is comprised of 100 million satoshis—or sats, for short. But not all sats are made equal. Those produced in the year bitcoin was created are considered vintage, like a fine wine. Other coveted sats were part of transactions made by bitcoin’s inventor. Some correspond with a particular transaction milestone. These and various other properties make some sats more scarce than others—and therefore more valuable. The very rarest can sell for tens of millions of times their face value; in April, a single sat, normally worth $0.0006, sold for $2.1 million.