Crypto News Today August 21: Bitcoin, HYPE, PUMP, ONG and ONT LeadOverall Cryptocurrency News, 21 August 2026: The market cap hit $2.56 trillion, up 4.1%. Bitcoin surged 7.6% to $74,606; Ethereum rose 3.8%. Fear & Greed Index climbed to 72 (Greed), reflecting strong bullish momen...