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.
Locus Chain is a state of the art blockchain protocol that can maintain stable transaction time even if the number of nodes and transactions increase using Account Wise Transaction Chain (AWTC). Through the use of AWTC, Locus Chain is able to provide high transaction speed for every user in the eco-system and the network.