Sphere (SPHR) is a decentralized peer-to-peerpayment network, secured through a proof of stake (pos) consensus blockchain. (sphere) is designed to act as an efficient and secure means of commerce, while also serving as an appreciating token for traders and long-term holders.
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.