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.
VestChain is the unique blockchain platform that has full capacity to tackle the problems inherent to the existing blockchains, i.e that of expandability and time needed for confirmation. VestChain presents a decentralized accessible blockchain and cryptocurrency infrastructure; it is absolutely open source content management system. VestChain is promoting a smart contract platform, the main goal of which is to provide the most progressive properties no other platform is able to offer right now. The main feature of it is that it is the only one developed out of a scientific doctrine and a methodology putting research at the first place. A huge international team of highly-qualified engineers and scientists makes the core of the VestChain development process.