Poloniex launched in 2014. It is based in the United States. It was recently acquired by Circle, a large Goldman-Sachs backed company. The exchange faced a hacker attack soon after opening which caused a higher level of security provided later. It requires a user’s physical address, postal address, date of birth, id, and phone number.
MyCoinStory (hereinafter referred to as MCS, https://www.mycoinstory.com) is a Trend Leading Cryptocurrency Derivatives Trading Platform registered in Seychelles with headquarters in Singapore and offices in South Korea.