Cryptocurrency prices today, August 18, 2025, have seen a significant decline, with Bitcoin's price dropping by 2.5% to around $115,401, after surpassing $124,000 last week. Other major coins like Ethereum (ETH) fell by 5.7%, XRP by 5.3%, Solana (SOL) by 6.2%, and Dogecoin (DOGE) by 5.6%.