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.
CPChain is a new distributed infrastructure for next generation Internet of Things (IoT). CPChain intends to build a fundamental data platform for IoT system in combination with distributed storage, encryption computation and blockchain technologies, providing the whole process solution from data acquisition, storage, sharing to application. CPChain is a promising solution to a series of challenges of current “chimney architecture” of IoT systems, reducing connectivity cost of devices, protecting data privacy and maximizing the value of IoT data.