Blockchain News Polymarket rife with ‘artificial trading,’ Columbia University researchers find November 7, 2025 A Columbia study found that up to 60% of Polymarket’s volume may stem from wash trading, raising new concerns about artificial activity in prediction markets. About The Author coinmaker See author's posts Post navigation Previous: Crypto needs to rethink incentive structures before the mainstream arrivesNext: New Bitcoin highs could take 2 to 6 months but data says it’s worth the wait: Analysis More Stories Blockchain News South Korea’s Jeonbuk Bank taps Ripple for cross-border payments August 18, 2026 Blockchain News Chainalysis sues US over $95M ICE contract with TRM Labs August 16, 2026 Blockchain News Neutrl pauses NUSD redemptions over undisclosed reserve issue August 14, 2026