For the past 15 years, I’ve been pondering a mystery: there was a guy named Satoshi Nakamoto who changed the world with a 9-page PDF—and then vanished completely. No one knows who he is.

On October 31, 2008, Satoshi Nakamoto posted a paper titled “Bitcoin: A Peer-to-Peer Electronic Cash System” on the cryptography mailing list. Just nine pages, yet it redefined money itself. Two months later, the Bitcoin network went live, and the genesis block was mined. Inside it, he left a hidden message: “The Times 03/Jan/2009 Chancellor on brink of second bailout for banks”—the UK Chancellor was on the brink of a second bailout for banks. This wasn’t just technical; it felt like a warning.

Over the next two years, Satoshi did nearly all the pioneering work. He wrote the first Bitcoin client, ran the first full node, sent the first BTC to developer Hal Finney, and actively exchanged ideas on forums. In 2010, he handed the project to others. In April 2011, he left his final line: “I’ve moved on to other things.” Then he disappeared. No farewell, no cash-out, and no media appearances.

That’s the strangest part. It’s estimated that Satoshi mined 1 million BTC—worth hundreds of billions of dollars at today’s price of $77.52K. For 15 years, not a single coin has moved. No transfers. No spending. As if frozen in time.

Is it an individual, or a team? Those who support the single-person theory point to consistent writing style, unified development accounts, and detailed, deep emails. But others say something is off—his active time spanned multiple time zones, the code was written at a lightning-fast pace, and even the English was flawless.

The list of suspects is quite interesting. Hal Finney was the first person to receive Bitcoin, a renowned cryptographer, and he died of ALS in 2014. Some believe he was Satoshi, while others say he was merely an early collaborator. Nick Szabo created “Bit Gold” in 2005, a precursor to Bitcoin, with a writing style highly similar to Satoshi’s—but he never posted on early forums. Adam Back invented Hashcash, which the Bitcoin white paper cites; he’s a longtime Cypherpunk, and his British spelling matches Satoshi’s. Some also suggest it was Elon Musk—he was pointed out in 2017, but Musk denied it. Peter Thiel had proposed a similar concept as early as 1999. Craig Wright is the most widely questioned; he claims to be Satoshi, has been to court, but has never used a private key signature to prove his identity. The developer community generally doesn’t believe him.

There’s also an intriguing conspiracy theory: that Bitcoin’s core encryption algorithm, SHA-256, was designed by the NSA, and that it went live right after the 2008 financial crisis—then disappeared cleanly and neatly. But there’s no solid evidence, and it contradicts Bitcoin’s spirit of decentralization.

Still, I think what truly matters is Satoshi’s legacy. He gave the world a set of code—and then vanished. He chased no fame, cashed out nothing, and sought no power. Maybe that’s the key: Bitcoin’s existence doesn’t rely on any founder at all. Its foundation is mathematics, code, and the community. That’s why it can’t be destroyed. In a sense, Satoshi’s disappearance is actually proof of Bitcoin’s success.