Site: ftx.us
Mobile app: -
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BitMarket had been known as a centralized cryptocurrency exchange. It was launched in Poland in 2014. As of now, its website is offline. 
Founded in 2017 by cybersecurity engineers, BTC24 is the premier exchange and trading platform, providing lightning-fast trade and exchange execution, dependable digital wallets and industry-leading security practices.
Indodax is one of the biggest crypto exchanges in Indonesia. It provides cryptocurrency pairs against BTC and IDR, Indonesian Rupiah.