OSL Review

Liqui exchange was closed due to the lack of liquidity as was explained in its official announcement. This notification was published in January, 2019. 

Digital Art Marketplace

Chinese platform FCoin announced in February, 2020 that the exchange will stop its operation. A founder of the exchange explained this decision by internal errors.  FCoin still owes its users the amount from 7.000 to 13.000 BTC.