Blockchain privacy has experienced a significant resurgence in 2025, with major advancements from both established and emerging players. Aztec Network has launched a decentralized Layer 2 solution with its Ignition update, enhancing privacy features. New privacy-focused chains such as Nillion and Namada have also entered the scene, contributing to the growing emphasis on privacy. In addition, major industry players like Coinbase and Circle have introduced privacy features for their platforms, Base and USDC, respectively. The Ethereum Foundation has established a Privacy Cluster to further support privacy initiatives. Tools like Privacy Pools and Railgun are gaining traction, offering practical privacy solutions. Meanwhile, Zcash has expanded its shielded token launch options, reinforcing its commitment to privacy.