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$24M Polymarket Profits Spark Debate Over Prediction Market Integrity

Lookonchain, a company tracking on-chain activity, has identified a group of Polymarket accounts that have collectively earned $24.25 million from 2026 FIFA World Cup prediction contracts. The recent report has raised questions about the nature and monitoring of decentralized prediction markets.

The FIFA World Cup trophy standing next to a soccer ball on a digital surface covered with financial charts.
Daniel Mercer
Written by Daniel Mercer
Updated Jun 23, 2026 2 min. read
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Details About the Suspected Polymarket Trading

The case has quickly gathered significant interest from regulators and market integrity advocates.

Linked Polymarket Accounts Generated $24.25 Million in Profits

  • Three traders on Polymarket have generated over $24 million in profits from 2026 FIFA World Cup prediction markets.

  • All three accounts made withdrawals using the same Binance deposit address.

  • No definitive evidence of wrongdoing has been confirmed so far.

Shared Binance Address Connects $24M Worth of Winning Polymarket Trades

The major growth of sports betting contracts on platforms like Polymarket and Kalshi has made the 2026 FIFA World Cup one of the biggest event-driven sources of trading activity within the wider crypto, in particular crypto gambling, sphere. With open interest pushing past the $2 billion milestone, the massive movement of capital underscores the difficulty of monitoring asymmetric or non-public data in decentralized environments.

Lookonchain, a company that analyzes blockchain data and activity, has identified three Polymarket accounts that have collectively made around $24.25 million in 2026 FIFA World Cup prediction markets. Operating under the usernames mintblade, GRIMDRIP, and endlessFate, the accounts have managed to have streaks of winning successful trades across a range of World Cup markets. The most important finding of the case, however, was not simply the profitability of the trades, but the fact that all three accounts withdrew funds using the same deposit address on Binance, one of the biggest cryptocurrency exchanges in the world.

According to analysis from Lookonchain, the fact that multiple crypto wallets have sent profits to the same address suggests that they may all be controlled by the same person or organization. Neither Polymarket nor Binance has released a public statement regarding rule violations. Furthermore, no evidence of illegal activity has been confirmed. However, the performance of the accounts is striking due to both the sizes of their positions and their unusually high success rates.

New Scrutiny to Crypto Prediction Markets

The accounts’ performance stands out because of both the size of their positions and their unusually high success rates.

Lookonchain reports the following information regarding the betting activity:

  • mintblade: $9.24 million profit with a perfect 5-for-5 winning record
  • GRIMDRIP: $7.6 million profit from 2 successful trades out of 2
  • endlessFate: $7.41 million profit after correctly predicting 6 of 9 outcomes

Additionally, it has been noted that very large wagers were placed on highly specific game outcomes. One example is a $7.46 million position on Colombia defeating Uzbekistan, as well as other substantial bets involving favored teams losing points unexpectedly. Large bets such as these attract attention because prediction markets are open to influence from knowledge that is not yet public. While profitable trades alone do not suggest illegality, when the same traders repeatedly make highly accurate predictions in specialized markets, observers do wonder whether they have access to information or insights that other participants do not.

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Daniel Mercer
Daniel is an experienced author with a background in financial journalism. He writes about digital assets and crypto with a focus on clear, risk-aware explanations rather than hype, approaches price predictions cautiously and prioritises verifiable facts over exaggerated market expectations. When sharing cryptocurrency research and news, exchange reviews, and crypto gambling articles, Daniel's aim is to highlight topics that might not receive the attention they deserve, such as fees, custody, proof of reserves and more. His articles here on TradeBlock are intended for informational purposes only and do not constitute financial advice.