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.
Refereum uses the blockchain to directly connect developers and influencers, resulting in lower marketing costs and increased profits for everyone. In addition to more effective growth, Refereum strengthens engagement by offering cash prizes — enabling rewards for anything from an in-game high score to an eSports grand prize. We are working closely with Twitch and Unity, and anyone can play our open source demo today.