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 StarkWare introduces ‘Private KYC’ to address personal data breaches June 23, 2026 Blockchain News Inveniam to acquire Mantra after turbulent year marked by OM crash June 17, 2026 Blockchain News Why banks are fighting stablecoins after shaping the rules June 16, 2026