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From Broke in a Tiny NYC Apartment to Youngest Self-Made Billionaire at 27: The True Story of Shayne Coplan & Polymarket

In 2020, during the height of the COVID-19 pandemic, a 21-year-old college dropout named Shayne Coplan was living in a small apartment in New York’s Lower East Side. He was so broke that he took inventory of everything he owned — just to figure out what he could sell to pay the rent.
He had already dropped out of New York University a few years earlier, chasing dreams in crypto. After trying several projects that went nowhere, he decided to build something new.
In June 2020, Shayne launched Polymarket — a blockchain-based prediction market platform where people could bet on real-world events like elections, sports, and news using cryptocurrency (USDC). He started the entire company from a makeshift “bathroom office” in his tiny apartment.
The early years were extremely tough. The platform faced regulatory challenges, and for nearly three years, Polymarket was barred from serving U.S. customers. There were even moments when the FBI raided his apartment (though no charges were filed).
But Shayne didn’t quit.
He focused on building a transparent, decentralized platform that let users trade on the probability of future events. As crypto grew and major events like the 2024 U.S. election approached, Polymarket exploded in popularity. It became one of the most accurate and trusted sources for real-time market sentiment.
Then came the breakthrough.
In October 2025, the parent company of the New York Stock Exchange — Intercontinental Exchange (ICE) — announced a massive investment of up to $2 billion into Polymarket. The deal valued the company at around $9 billion.
Shayne Coplan’s estimated 11% stake suddenly made his net worth at least $1 billion.
At just 27 years old, he became the world’s youngest self-made billionaire, according to both Forbes and the Bloomberg Billionaires Index.
Today, Polymarket is considered crypto’s fastest-growing startup. Shayne went from selling his belongings to pay rent to building a platform that rivals traditional betting and prediction systems — all powered by blockchain.

Key Lessons from Shayne Coplan’s Journey:
•  Start with nothing but a real problem to solve (people wanted transparent, decentralized prediction markets).
•  Build during the hardest times — he launched in the middle of a global pandemic.
•  Persistence beats talent: He faced regulatory hurdles, raids, and years of struggle, but kept going.
•  Timing + execution: When the world needed better ways to gauge truth and probability, Polymarket was ready.
Shayne’s story proves that in crypto and Web3, you don’t need to be a genius trader to win big. Sometimes, building the right infrastructure at the right time is enough to change your life forever.

暗号市場は常に不安定ですが、最近ではさらに予測不可能に感じられます。
地政学的緊張、マクロ経済の変化、突然の清算、ニュースに基づく価格変動により、トレーダーが一貫性を保つことがますます難しくなっています。
経験豊富なトレーダーにとって、ボラティリティは機会となり得ます。
しかし、ほとんどの人にとっては？
それは罠です！
そこに一つの戦略が静かに際立っています：
ドルコスト平均法（DCA）。

DCAとは何ですか？

ドルコスト平均法はシンプルな投資戦略です：
市場をタイミングしようとするのではなく、価格に関係なく定期的に一定額の資金を投資します。