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.
IPchain is a block chain product for the application in the field of intellectual property. Launched in October, 2016, after months of market analysis, technical solutions research, and communication with experts in the field of intellectual property, the technical basis of IP Chain was determined to be the block chain technology based on the model of UTXO, which is similar to Bitcoin network. Through adopting Consensus Mechanism of DPOC (one of the improved solutions of DPOS) and with reference to the transaction model for the characteristic of products in the field of intellectual property, IPC Chain aims at providing a flexible and rigorous solution of intellectual property block chain.