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.
VINchain is creating a worldwide blockchain database of used vehicle information that is 100% transparent, reliable, and accessible by everyone. VINchain project unites all data providers and gives the user a complete, uninterrupted vehicle record; all without the disadvantages of a centralized database.