http://demo.stktoken.com/
STK leverages state channels on Ethereum to make an instant transaction for day to day purchases with MasterCard provided by STACK. Ethan wilding one of the co-creator of EThereum is also part of STK token. It is now very much undervalued.
STK currently trading on Huobi, Kucoin, Cobinhood
https://www.huobi.pro/en-us/stk_btc/exchange/
https://www.kucoin.com/#/trade/STK-BTC
https://cobinhood.com/trade/STK-BTC
Join STK on Telegram https://t.me/stktoken
Announcement Channel https://t.me/stkannouncements
Follow us on Twitter https://twitter.com/stktoken
OFFICIAL WEBSITES https://www.getstack.ca https://stktoken.com/