Some of the best Bitcoin debit cards currently on the market are Wirex, BitPay, Shift, SpectroCoin, Cryptopay, and Uquid. Source: coinsutra.com Crypto lending platforms. Another very good option when it comes to converting your hard-earned Bitcoin into USD is a Bitcoin lending platform. Crypto exchange rate calculator helps you convert prices online between two currencies in real-time. Download the CoinMarketCap app. It's free, available on iPhone and Android, here ! During the last couple of years, the popularity of Bitcoin and other Cryptocurrencies has increased considerably, given the large trading volume, capital invested, public interest, and of course supply and demand laws. With Bitcoin seeing all time highs of over $19,000 USD during the bull market top in 2017, the nature of the crypto market changed.