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.
Coin 999 will support multi payment systems, with tracked listing in coin market Cap its very clear its having great Future & it will improve the crypto payment system around the world as easy as using cash or credit cards or mobile wallets, users will simply recharge the wallet with balance and they will get great discounts from well-known retailers and e-commerce platforms