TTC eco system is based on a blockchain and transparently and securely stores the acquisition, use, and transaction details of the assets. It also provides a blockchain, and integrates various digital settlement systems used in off-line It is aimed to equip an infinite 'settlement' system.
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.