Blockchain investigator ZachXBT's latest report has stirred controversy after revealing that a group of wallets on Polymarket profited over $1.2 million by betting on which company would be exposed—the very company whose employee was the target of the investigation.
The Original Probe: Axiom Employee Front-Running
ZachXBT accused Axiom Exchange employee Broox Bauer of misusing internal tools to track user wallets, transaction history, and trading behavior to front-run trades. The investigation was scheduled to go public on February 26, but before that, Polymarket launched a market asking users to bet on which company ZachXBT would expose.
On-chain data shows more than 3,630 addresses participated in bets related to the insider probe. Around 56.2% of participants ended up profitable, but the top earners drew the most attention. Eight of the top 10 highest-profit wallets exhibited insider-like behavior, generating a combined profit exceeding $1.2 million. Analysts noted many of these suspicious wallets were created in February 2026 with little prior activity.
The Secondary Insider Profit Loop
What started as an investigation into insider trading has seemingly spawned another layer of insider-style profits. ZachXBT's team found that large amounts of capital flowed into bets favoring "Axiom" before the public announcement. The timing and pattern of these bets strongly suggest advance knowledge of both the investigation's target and its timing.
Polymarket, the largest decentralized prediction market, has processed $50-56 billion in total trading volume, with record monthly activity reaching $7.6-12 billion in January 2026 alone. The platform now hosts about 1.9 million total addresses, with 300,000-600,000 monthly active users. This scale amplifies the impact: when a platform of this magnitude cannot prevent insider advantages, retail participation is likely to shrink, and the reliability of prediction markets as sentiment gauges for the broader crypto ecosystem is called into question.
Axiom Exchange Under Scrutiny
Solana-based Axiom Exchange, which had interacted with over 650,000 wallets by mid-2025 and an estimated 300,000 monthly active users, now faces a trust crisis of its own. The insider trading accusation against its employee puts the entire exchange under the microscope.
While blockchain transparency allows anyone to track transactions, it does not guarantee equal access to information. Individuals who receive earlier insights—through internal tools, leaks, or private networks—can position themselves before the broader market reacts. Experts often compare this to traditional financial markets, where traders with early or exclusive data can capture outsized profits. In prediction markets and crypto trading, such advantages can trigger sudden price moves, abnormally profitable trades, and most importantly, damage the principle of decentralization.
The ZachXBT Polymarket insider probe continues to reverberate. It highlights a harsh truth: transparency alone cannot prevent insider advantages. The industry must adopt tighter access controls, better monitoring tools, and clearer rules to maintain user trust.