Polymarket launched in June 2020, founded by 22-year-old Shayne Coplan. The premise was simple: an on-chain prediction market where anyone could bet on real-world events using cryptocurrency. Built on Polygon with USDC as the settlement token, Polymarket let users buy “yes” or “no” shares on questions ranging from elections to sports to weather to crypto prices.
For its first three years, Polymarket was a niche product used mostly by crypto natives and political junkies. Volumes were modest. Most markets had a few hundred dollars of liquidity. The platform was barely on the radar of mainstream finance. Then 2024 happened.
The 2024 US presidential election transformed Polymarket from an obscure DeFi experiment into one of the most talked-about platforms in finance. The “Will Trump win the 2024 election?” market alone processed over $3.6 billion in volume — more than any prediction market in history. Mainstream news outlets began citing Polymarket odds alongside traditional polls. By election day, Polymarket’s probability estimates were appearing on major TV networks as legitimate forecasts.
Polymarket became proof that on-chain prediction markets could scale to mainstream relevance. The infrastructure was simple — Polygon for cheap transactions, USDC for stable settlement, UMA oracle for dispute resolution — but the cultural impact was enormous. By the end of 2024, Polymarket had become the second-most influential institution in election forecasting, behind only the actual vote.
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