BlocktoBlockto

Trending

Polymarket Insider Trading Allegations Emerge After ZachXBT Investigation Market
NEWS

Photo: Illustrative

Polymarket Insider Trading Allegations Emerge After ZachXBT Investigation Market

A prediction market on Polymarket has sparked controversy after blockchain data revealed that a small group of wallets placed highly profitable bets before an investigation’s findings became public. The market, which generated roughly $40 million in trading volume, allowed users to wager on which crypto firm would be named in an exposé by on-chain investigator ZachXBT.

Laurisa
By Laurisa

Junior Author · February 27, 2026

2 min
Key takeaways
A prediction market on Polymarket has sparked controversy after blockchain data revealed that a small group of wallets placed highly profitable bets before an investigation’s findings became public.
The market, which generated roughly $40 million in trading volume, allowed users to wager on which crypto firm would be named in an exposé by on-chain investigator ZachXBT.
When the report identified Axiom as the subject, several wallets that had heavily backed Axiom shares saw outsized returns.

A prediction market on Polymarket has sparked controversy after blockchain data revealed that a small group of wallets placed highly profitable bets before an investigation’s findings became public. The market, which generated roughly $40 million in trading volume, allowed users to wager on which crypto firm would be named in an exposé by on-chain investigator ZachXBT.

When the report identified Axiom as the subject, several wallets that had heavily backed Axiom shares saw outsized returns. Lookchain reported that at least 12 wallets collectively earned more than $1 million. One address accumulated nearly 477,000 shares at an average price of $0.14, later reflecting an estimated $411,000 profit.

On-Chain Analysis Suggests Advance Knowledge

Data from analytics platforms, including Lookonchain, highlighted concentrated, high-conviction positions taken shortly before the announcement. Market odds shifted sharply toward Axiom in the final hours before publication, raising concerns that certain traders may have had prior insight into the outcome.

Because Polymarket does not require identity verification, tracing the origin of these bets may prove difficult. Axiom has stated it is reviewing the situation, while the episode underscores the challenges of preventing information asymmetry in decentralized prediction markets.

Disclaimer

This content is for informational purposes only and does not constitute financial, investment, or legal advice. Cryptocurrency trading involves risk and may result in financial loss.

How markets are positioning

Live market reaction

🛢️WTI Crude
+3.4%
Gold
+1.8%
Bitcoin
-1.8%
$DXY
+0.6%

Disclaimer

This content is for informational purposes only and does not constitute financial, investment, or legal advice. Cryptocurrency trading involves risk and may result in financial loss.

Exclusive partner offer

Start trading
with BloFin today

Up to $500 sign-up bonus and zero-fee trading on your first 30 days.

Buy crypto now

You will be redirected to BloFin

Share article

About the author

Laurisa
Laurisa

Emerging voice in crypto journalism with a background in fintech and digital economics. Covers DeFi, NFTs, and the evolving regulatory landscape.