Polymarket’s World Cup prediction market generated $24.25 million in profit for three distinct wallets, as reported by on‑chain analytics firm Lookonchain on June 21 2026.
Wallet Performance Details
Lookonchain identified the wallets mintblade, GRIMDRIP and endlessFate as the primary beneficiaries. mintblade earned $9.24 million by winning five consecutive bets, GRIMDRIP secured $7.6 million after two flawless wagers, and endlessFate accumulated $7.41 million with six wins out of nine attempts.
Link to Binance and Insider Speculation
All three addresses transferred their winnings to a single Binance deposit address beginning with 0xB08B…317D, suggesting a shared controller. Lookonchain interpreted the common deposit path as evidence of a possible insider orchestrating the trades, although neither Polymarket nor Binance have publicly confirmed the allegation.
Implications for Crypto Prediction Markets
The abrupt cessation of activity and complete withdrawal of funds by the wallets raise concerns for investors monitoring blockchain‑based betting platforms. If an insider indeed manipulated the market, regulators and participants may reassess risk exposure across crypto prediction markets, potentially influencing future price dynamics and investor confidence.