Site: dolomite.io
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BitBay is one of the few exchanges based and originated in Poland. It offers an impressive range of crypto for trading.
Liqui exchange was closed due to the lack of liquidity as was explained in its official announcement. This notification was published in January, 2019. 
Negocie Coins is a centralized cryptocurrency exchange. Negocie Coins is incorporated by ZATER Capital company in Brazil, where it is based.