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.
THEKEY Project is developing a second-generation IDV solution for the internet via BDMI technology. (BDMI “Blockchain based Dynamic Multi-Dimension Identification”). THEKEY is a dapp on NEO, and it’s also an indispensable element of the NEO Smart Economy. With NEO technical support, THEKEY and NEO will provide better protection to your digital asset.