The market capitalization of privacy-focused cryptocurrencies has surged by over 80% in the past week, reaching more than $24 billion, according to CoinGecko data. Leading the gains, Zcash (ZEC) rose by 51%, Dash (DASH) increased by 72%, and Railgun (RAIL) soared by 87%. Additionally, the trading volume for privacy coins approached $3 billion in the last 24 hours, highlighting growing investor interest in this sector.