Privacy-focused blockchain protocols like Zcash, Railgun, and Starknet are gaining popularity amid increasing regulatory scrutiny. Legal actions against privacy tool developers, such as the sentencing of Samourai Wallet co-founders and the ongoing case against Tornado Cash's Roman Storm, underscore the heightened focus on privacy tools. Zcash's token, ZEC, has seen a tenfold increase in value over the past two months, with over 30% of its supply now in shielded pools. Railgun has facilitated $4 billion in private DeFi transactions since 2021, while Starknet is exploring Zcash integration with its ZK-rollup technology. These trends highlight the growing demand for privacy solutions in the crypto market.