Coinsfera Bitcoinshop is a crypto OTC in Istanbul to buy and sell cryptocurrency with cash. Customers can buy and sell more than 500 cryptocurrencies safely and quickly. It is all-in-one platform to exchange crypto in Istanbul. Now it is effortless to buy and sell Bitcoin, and many other popular cryptocurrencies in Istanbul. We provide quick and easy service to instantly USDT to cash service. Sell USDT in Istanbul instantly and securely at our OTC shop. Even if you do not have enough information about cryptocurrencies and their areas of use, our team will gladly help and advise you on all matters. With our Years of experience and Guideline it is Easy to Buy and Sell cryptocurrencies with cash or credit card in our exchange shop in Istanbul