Serenity Review

Xena Exchange is a centralized cryptocurrency exchange providing BTC, ETH and USDT markets. Among Xena products there are decentralized accounts, which combine the possibility to control your funds directly with the liquidity of centralized exchanges. 

Accountless Crypto Exchanger.

BITKER was established in Singapore as a centralized cryptocurrency exchange. Following to their outage announcement in September 2019, the exchange platform had suspended its activity. The reason behind this was a cyber attack.