The main goal of Callisto is to research and develop a reference implementation of a self-sustaining, self-governed, self-funded blockchain ecosystem and development environment. Callisto aims to establish a secure and contribution-friendly environment for further protocol development and improvements. It will rely on a built-in system of smart-contracts to achieve this goal.
VEIL is an open source cryptocurrency with a world-first combination of Stealth Addressing, Confidential Transactions, RingCT and Zerocoin protocol with Bulletproofs to provide secure transaction privacy & efficiency. VEIL project is backed by an experienced team with a vision to develop the most advanced privacy focused cryptocurrency in the market.