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.

CRXzone is the brand name for crypto exchange and merchant payment gateway. Trading pairs available with CRXzone include fiat currencies: USD (US dollar) and SGD (Singapore dollar). The exchange aims to provide deep liquidity.

DOBI is a digital asset trading platform. Apart from the English version, the website has also Chinese and Portugese versions. 

QuadrigaCX is a Centralized cryptocurrency exchange based in the Canada. The exchange was launched in 2013. Its reported volume is about 0 $ as for 8 October 2019.
QuadrigaCX has 0 available trading pairs and 0 coins. Deposits are Depends on currency and volume on the exchange.
QuadrigaCX have Fiat...

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. 

BuyUcoin is the most trusted & advanced digital currency exchange in India. The service supports a variety of features and products to easily buy, sell, trade, and store cryptocurrencies. With over 350,000+ customers that vouch for the ease with which BuyUcoin enables digital asset trading. The service's mission is to bring cryptocurrencies in a million Indian pockets. 

Bitexbook is a cryptocurrency exchange with its Servers Centers based in St.Vincent and Grenadines. It guarantees instant deposits and withdrawals within 1 hour and also the exchange of cryptocurrencies for fiat currencies. As security measures, it features cold wallets.

Update: It seems like the CoinMex exchange shut down, possibly exit scammed.
CoinMex provides access to BTC, ETH, USDT and NEO markets. The company was incorporated under the legislation of the Republic of Seychelles in 2018 and is affiliated with NEWEX Technology Co. Ltd. CoinMex is focused on the Chinese market. 

Coinrate is currently inactive. The exchange’s website does not display any active orders in the trading window. The social media channels of the company had not been updated for about 2 years. Initially, Coinrate offered fiat currencies as well as Bitcoin and Fargocoin as the main currencies in trading pairs.

It became known in spring 2019 that Gatecoin exchange would stop its operation. It was stipulated by the decision of the Hong Kong court after quite a long attempt to recover lost funds. The loss amounted to $2 mln.

BX Thailand is currently not providing exchange trading services. The exchange is officially closed. 
Bitcoin Co. Ltd. was the operating company for Bitcoin Exchange Thailand. This company started to seek licensing from the Bank of Thailand in 2013. After receiving approval from BoT, the development of the exchange service under the brand BX.in.th had been started. Following that, the merchant service CoinPay was launched.

Tux Exchange is currently not operating. It was closed in 2019 with a prior announcement as of June 15, 2019. July 6, 2019, was the deadline for the withdrawal of funds. Tux Exchange referred to “unfavorable conditions” and “low volume” as key factors stipulating the decision to close down.

Our CoinCasso Exchange CCX Token holders will have the greatest impact on the introduction of new currencies and innovations. CCX tokens work in a similar way as tokens on other exchanges but they have additional value for the users of the exchange. Owners of the tokens have the ability to participa...

Cryptopia exchange was closed after a theft that took place in early 2019. Cryptopia was established in New Zealand in 2014. Its website had been publishing updates on the liquidation process until the mid-2019. 

CredoEx was introduced to the market by BitBounce in 2018. At the moment, the company’s website is down and Twitter media has not been updated since mid-2019

BCoin.sg was a centralized cryptocurrency exchange based in Singapore. The exchange was launched in 2018. 
Deposits were free on the exchange. Margin trading option was not available on the exchange. 
At the moment the exchange doesn’t work and there is no official information about when the exchange will be active again. All the official pages of the platform are down as well, including Twitter and Facebook. We will update information about the exchange as soon as it is active again. 

In 2019, Coinroom has filed an application for bankruptcy with the last notice on their website published as of September 30. It was reported that this Polish exchange disappeared with customers’ funds.

CPDAX was established in 2017 and stands for the “Coinplug Digital Asset Exchange”. It accepts KRW (Korean Won) deposit and withdrawal. This exchange is the development of the Coinplug blockchain technology company.

In March, 2020 GuldenTrader exchange has published an announcement calling its customers to withdraw their funds before April 1, when the exchange will cease its operation.

CoinTiger is incorporated under the laws of the Republic of Singapore and works as a centralized exchange. It offers BTC, ETH, USDT, TRX, XRP markets, as well as trading pairs against bitCNY token.