Blockchain News Trader loses $21M on Hyperliquid after private key leak: How to stay protected October 10, 2025 A Hyperliquid trader lost $21 million in a private key exploit, raising new concerns about DeFi security and user vigilance amid growing DEX activity. About The Author coinmaker See author's posts Post navigation Previous: Bitcoin mining in 2025, explained: From hashrate to rewardsNext: DeFi booming as $11B Bitcoin whale stirs ‘Uptober’ hopes: Finance Redefined More Stories Blockchain News Luno cuts 20% of staff as crypto layoffs spread across 12 firms in July July 30, 2026 Blockchain News BNY to bring transfer agency records onchain in blockchain push July 29, 2026 Blockchain News Trade.xyz to cover SK Hynix perp liquidation losses tied to price anomaly July 29, 2026