WBB Exchange Review

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.

CoinZest exchange was founded in South Korea in 2018, maintaining deposit and withdrawal of fiat currency, Korean Won. At the point, the company’s website is down and Twitter media has not been updated since October, 2019.

BitMarket had been known as a centralized cryptocurrency exchange. It was launched in Poland in 2014. As of now, its website is offline.