ZB Token (ZB) is an exchange token and the native currency of the ZB.COM crypto exchange. The ZB can be used to purchase monthly VIP status plans for transaction fee discounts, vote on exchange decisions, gain early access to special ZB launchpad events, receive crypto rewards from seasonal buybacks, and trade with other cryptocurrencies listed on the ZB exchange.
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.