Stealthcoin (XST) has been rebranded to Stealth (XST): https://twitter.com/stealthsend/status/993226001101545473 Stealthcoin provides a complete anonymity solution for cryptocurrencies. Stealthcoin has a fair distribution with nearly four hours of low block rewards, a small premine of 1%, and the long-term energy efficiency of proof-of-stake minting.
Scry.info is the world's first blockchain-based quantitative data providing and exchanging platform for storage, verification, utilization, analysis, sharing and trading of real world data. Interactions within the Scry community are made through Scry.info’s built-in smart contracts to access, share and utilize a wide spectrum of data, as fed and verified by the mass users on a distributed basis. Scry.info also enables users to customize industry/event-specific smart contracts to be applied to various scenarios and niches, such as polls or prediction markets in sports, entertainment, agriculture, financial market and so forth.