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.
Prometeus Network is a secure and decentralized ecosystem designed to solve real-world problems in data brokerage, created for the Influencer Marketing, Medical and Insurance data market industries. Prometeus Network is developed by Prometeus Labs. A company existing out of data scientists and entrepreneurs who have been working for more than 15 years on machine learning, business development and marketing.