In the evolving world of digital assets, the spotlight in 2025 is increasingly on transactional privacy—and three projects in particular are carving distinct paths: Dash (DASH), Railgun (RAIL), and Zano (ZANO). Dash, once known for its payments-first design, still offers its built-in PrivateSend mix feature to conceal transactions. Railgun brings next-gen zero-knowledge proof tech to the DeFi world, enabling any on-chain contract to shield senders, recipients and amounts. Meanwhile Zano stands out as a privacy-first…